A well tool device for transporting a heat generating mixture into a well pipe includes an upper connection section, a main housing section, and an anchoring device. The main housing section includes a compartment for the heat generating mixture. The anchoring device is connected between the upper connection section and the main housing section. The main housing section includes a compartment subsection and a distance subsection. The compartment is located within the compartment subsection. The distance subsection is located above the compartment subsection.
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 23/04 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage mis en œuvre à l'aide de moyens fluides, p.ex. actionnés par explosion
E21B 33/13 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues
2.
WELL TOOL DEVICE FOR TRANSPORTING A HEAT GENERATING MIXTURE INTO A WELL PIPE
A well tool device for transporting a heat generating mixture into a well pipe includes an upper connection section, a main housing section, and a sealing device. The main housing section includes a compartment for the heat generating mixture. The sealing device is provided below the main housing section. The sealing device includes a lower supporting element including a lower wedging surface; an upper wedging surface faced towards the lower wedging surface; and a sealing ring provided between the lower wedging surface and the upper wedging surface. The sealing element includes a plurality of thimble-shaped elements inserted into each other to form a torus. Relative axial movement between the lower wedging surface and the upper wedging surface in a direction towards each other provides radial expansion of the sealing element.
E21B 33/126 - Packers; Bouchons à cuvette ou jupe élastiques actionnées par pression d'un fluide
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
3.
DOWNHOLE MILLABLE PERMANENT PLUG AND METHOD FOR SETTING A DOWNHOLE MILLABLE PERMANENT PLUG
The present invention relates to a downhole millable permanent plug (1) for permanently sealing of a downhole well (WE). The permanent plug (1) comprises a mandrel (10), a first sealing element (20a) provided radially outside of the mandrel (10), a second sealing element (20b) provided radially outside of the mandrel (10) at a distance from the first sealing element (20a) and a metal body (40) provided radially outside of the mandrel (10) between the first sealing element (20a) and the second sealing element (20b). The plug (1) further comprises a setting system (50) comprising a heater (51) for melting the metal body (40); wherein the permanent well plug (1) is configured to be in the following states: - a run state, in which the first sealing element (20a) and the second sealing element (20b) are radially retracted; - an intermediate state, in which the first sealing element (20a) and the second sealing element (20b) are radially expanded into contact with the well (WE); - a set state, in which the metal body (40) has been melted by the heater (51) and subsequently solidified into contact with the well (WE).
A valve assembly for connection to an opening provided in a housing of a well tool device includes a fluid communication channel, a flapper valve device, a flapper element supporting device, and a securing device. The fluid communication channel provides fluid communication from an outside of the housing to a bore provided on the inside of the housing. The flapper valve device includes a flapper element configured to be in a closed position in which the fluid communication channel is closed and an open position in which the fluid communication channel is open. The flapper element is biased to the closed position. The flapper element supporting device supports the flapper element when the flapper element is in the open position. The securing device secures the flapper valve device and the flapper element supporting device to the opening. The securing device includes a through bore forming a first part of the fluid communication channel.
E21B 34/10 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits actionnés par un fluide de commande provenant de l'extérieur du trou de forage
5.
DOWNHOLE MILLABLE PERMANENT PLUG AND METHOD FOR SETTING A DOWNHOLE MILLABLE PERMANENT PLUG
The present invention relates to a downhole millable permanent plug (1) for permanently sealing of a downhole well (WE). The permanent plug (1) comprises a mandrel (10), a first sealing element (20a) provided radially outside of the mandrel (10), a second sealing element (20b) provided radially outside of the mandrel (10) at a distance from the first sealing element (20a) and a metal body (40) provided radially outside of the mandrel (10) between the first sealing element (20a) and the second sealing element (20b). The plug (1) further comprises a setting system (50) comprising a heater (51) for melting the metal body (40); wherein the permanent well plug (1) is configured to be in the following states: - a run state, in which the first sealing element (20a) and the second sealing element (20b) are radially retracted; - an intermediate state, in which the first sealing element (20a) and the second sealing element (20b) are radially expanded into contact with the well (WE); - a set state, in which the metal body (40) has been melted by the heater (51) and subsequently solidified into contact with the well (WE).
The present invention relates to a downhole well tool (1) for permanently sealing a downhole well (WE). The downhole well tool (1) comprises a housing (11), a first compartment (12) provided within the housing (11), an expandable sealing element (20) provided circumferentially outside a lower housing section (11b), thereby forming a second compartment (14) radially inside of the expandable sealing element (20) and radially outside of the lower housing section (11b). The tool further comprises a metal body (30) provided within the first compartment (12) and a setting system (50) comprising a heater (51) for melting the metal body (30). The tool (1) is configured to be in the following states: - a run state, in which the expandable sealing element (20) is radially retracted; - an intermediate state, in which the metal body (30) has been melted by the heater (51) and is flowing from the first compartment (12) to the second compartment (14); - a set state, in which the melted metal from the metal body (30) has been solidified within the second compartment (14).
The present invention relates to a downhole well tool (1) for permanently sealing a downhole well (WE). The downhole well tool (1) comprises a housing (11), a first compartment (12) provided within the housing (11), an expandable sealing element (20) provided circumferentially outside a lower housing section (11b), thereby forming a second compartment (14) radially inside of the expandable sealing element (20) and radially outside of the lower housing section (11b). The tool further comprises a metal body (30) provided within the first compartment (12) and a setting system (50) comprising a heater (51) for melting the metal body (30). The tool (1) is configured to be in the following states: - a run state, in which the expandable sealing element (20) is radially retracted; - an intermediate state, in which the metal body (30) has been melted by the heater (51) and is flowing from the first compartment (12) to the second compartment (14); - a set state, in which the melted metal from the metal body (30) has been solidified within the second compartment (14).
A well tool device includes a housing having an axial through bore; a sleeve section axially displaceable relative to the housing; a fluid flow preventing frangible disc; and an axial fluid passage bypassing the frangible disc when the well tool device is in an initial state, thereby allowing a fluid flow between a first location above the frangible disc and a second location below the frangible disc. The sleeve section includes an axial through bore aligned with the axial through bore of the housing. The axial fluid passage is closed when the well tool device is in a intermediate state. The fluid flow preventing frangible disc is provided in the bore of the sleeve section in sealing engagement with the sleeve section. The well tool device further includes a disc supporting device for supporting the frangible disc in relation to the sleeve section. The disc supporting device is releasably connected inside the sleeve section by a releasable connection device. The well tool device further includes a disintegration device disintegration of the frangible disc. The well tool device is in a final state when the frangible disc has been disintegrated by the disintegration device. The frangible disc is configured to be pushed axially relative to the sleeve section towards the disintegration device after release of the disc supporting device.
E21B 34/06 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits
E21B 34/10 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits actionnés par un fluide de commande provenant de l'extérieur du trou de forage
9.
A WELL TOOL COMPRISING AN ORIENTATION SYSTEM AND METHOD FOR USING SAME
The invention concerns a well tool (100), a well tool system (300) and a method for performing an operation in an oil/gas well. The well tool (100) comprises an orientation system (120) for longitudinal and rotational orientation of the well tool (100) when inserted into a bore (202) comprising a guide groove (203).
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 23/02 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour verrouiller les outils ou autres éléments sur des supports ou dans des retraits entre sections adjacentes du tubage
E21B 33/037 - Enceintes protectrices pour têtes de puits
E21B 33/04 - Têtes de tubage; Suspension des tubages ou des colonnes de production dans les têtes de puits
E21B 33/05 - Têtes de cimentation, p.ex. comportant des aménagements pour introduire les bouchons de cimentation
E21B 33/124 - Unités à bouchons espacés longitudinalement pour isoler les espaces intermédiaires
E21B 33/129 - Packers; Bouchons à patins mécaniques pour accrochage dans le tubage
E21B 33/14 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues pour la cimentation des tubes dans les trous de forage ou de sondage
E21B 33/16 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues pour la cimentation des tubes dans les trous de forage ou de sondage utilisant des bouchons pour isoler la charge de ciment; Bouchons à cet effet
10.
A WELL TOOL COMPRISING AN ORIENTATION SYSTEM AND METHOD FOR USING SAME
The invention concerns a well tool (100), a well tool system (300) and a method for performing an operation in an oil/gas well. The well tool (100) comprises an orientation system (120) for longitudinal and rotational orientation of the well tool (100) when inserted into a bore (202) comprising a guide groove (203).
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 23/02 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour verrouiller les outils ou autres éléments sur des supports ou dans des retraits entre sections adjacentes du tubage
E21B 33/037 - Enceintes protectrices pour têtes de puits
E21B 33/04 - Têtes de tubage; Suspension des tubages ou des colonnes de production dans les têtes de puits
E21B 33/05 - Têtes de cimentation, p.ex. comportant des aménagements pour introduire les bouchons de cimentation
E21B 33/124 - Unités à bouchons espacés longitudinalement pour isoler les espaces intermédiaires
E21B 33/129 - Packers; Bouchons à patins mécaniques pour accrochage dans le tubage
E21B 33/13 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues
E21B 33/14 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues pour la cimentation des tubes dans les trous de forage ou de sondage
E21B 33/16 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues pour la cimentation des tubes dans les trous de forage ou de sondage utilisant des bouchons pour isoler la charge de ciment; Bouchons à cet effet
11.
A WELL TOOL COMPRISING AN ANCHORING DEVICE AND METHOD FOR USING SAME
The invention concerns a well tool (100), a well tool system (300) and a method for performing an operation in an oil/gas well. The well tool (100) comprises an anchoring device (110) for longitudinally locking the well tool (100) to a bore (202) comprising a lock groove (204).
E21B 33/129 - Packers; Bouchons à patins mécaniques pour accrochage dans le tubage
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 33/04 - Têtes de tubage; Suspension des tubages ou des colonnes de production dans les têtes de puits
E21B 33/124 - Unités à bouchons espacés longitudinalement pour isoler les espaces intermédiaires
E21B 33/13 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues
E21B 33/14 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues pour la cimentation des tubes dans les trous de forage ou de sondage
E21B 33/16 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues pour la cimentation des tubes dans les trous de forage ou de sondage utilisant des bouchons pour isoler la charge de ciment; Bouchons à cet effet
12.
A WELL TOOL COMPRISING AN ANCHORING DEVICE AND METHOD FOR USING SAME
The invention concerns a well tool (100), a well tool system (300) and a method for performing an operation in an oil/gas well. The well tool (100) comprises an anchoring device (110) for longitudinally locking the well tool (100) to a bore (202) comprising a lock groove (204).
E21B 33/129 - Packers; Bouchons à patins mécaniques pour accrochage dans le tubage
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 33/04 - Têtes de tubage; Suspension des tubages ou des colonnes de production dans les têtes de puits
E21B 33/124 - Unités à bouchons espacés longitudinalement pour isoler les espaces intermédiaires
E21B 33/14 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues pour la cimentation des tubes dans les trous de forage ou de sondage
E21B 33/16 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues pour la cimentation des tubes dans les trous de forage ou de sondage utilisant des bouchons pour isoler la charge de ciment; Bouchons à cet effet
13.
Extrusion preventing device for incorporation into a sealing element and a well tool device comprising a sealing element in which such an extrusion preventing device is incorporated
An extrusion preventing device for incorporation into a sealing element of a well tool device includes a wire wound with a plurality of turns to form a torus-shaped coiled spring. Each turn of the torus-shaped coiled spring is canted. A method for manufacturing a sealing element for a well tool device includes providing a mould shaped as the sealing element; inserting an extrusion preventing device including a wire wound with a plurality of turns to form a torus-shaped coiled spring into the mould; filling molten elastomeric material into the mould, thereby incorporating the torus-shaped coiled spring into the molten elastomeric material; curing the elastomeric material; and retrieving the sealing element from the mould.
A well tool device includes a housing; a through bore provided axially through the well tool device; and a frangible disc supported in the through bore by a first supporting device and a second supporting device. The through bore is defined with a bore wall. The second supporting device is axially displaceable in relation to the first supporting device. The well tool includes a shear element for preventing axial displacement of the second supporting device; a sealing element arranged radially outside of the frangible disc and radially inside of the bore wall when the well tool device is in a first state, in which the sealing element together with the frangible disc is configured to prevent axial fluid flow between a first side of the frangible disc and a second side of the frangible disc; and a disintegration device. The well tool device is configured to be in a second state, in which the shear element has been sheared off and the frangible disc and the second supporting device have been moved axially until the frangible disc has been brought into contact with the disintegration device. The well tool device is configured to be in a third state, in which the frangible disc has been disintegrated by means of the disintegration device. The well tool device includes a flushing channel provided in the bore wall radially outside of the frangible disc when the well tool device is in the second state.
The present invention relates to a well tool device (1) for injecting an injection fluid (59) through a hole (H) in a well bore (WB). The well tool device (1) comprises a mandrel (10), an expandable sleeve (15) provided circumferentially outside of the mandrel (10), a first expander (30) for moving a first side (15a) of the expandable sleeve (15) between a radially retracted state and a radially expanded state and a second expander (40) for moving a second side (15b) of the expandable sleeve (15) between a radially retracted state and a radially expanded state. The well tool device (10) also comprises an injection fluid system (50) comprising an injection fluid line (53) and a nozzle element (51), wherein the nozzle element (51) is providing fluid communication between the injection fluid line (53) and an outlet (51a) provided on the outside of the expandable sleeve (15). The well tool device (10) also comprises a control fluid system (60) for controlling the fluid pressure in a first fluid compartment (66) provided radially between the expandable sleeve (15) and the mandrel (10).
A well tool device includes a housing having an axial through bore; a sleeve section releasably connected to the housing in the axial through bore, wherein the sleeve section comprises an axial bore; a frangible disc provided in the axial bore of the sleeve section in sealing engagement with the sleeve section. The sleeve section is axially displaceable within the axial through bore between a first position and a second position. The well tool device includes a first supporting sleeve fixed to the housing in the axial through bore and a second supporting sleeve provided radially inside of, and releasably connected to, the first supporting sleeve. The first supporting sleeve includes an upwardly facing surface configured to support a lower end of the sleeve section when the sleeve section is in the second position.
E21B 34/14 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits actionnés par le mouvement des outils, p.ex. obturateurs à manchons actionnés par des pistons ou par des outils à câble
E21B 34/10 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits actionnés par un fluide de commande provenant de l'extérieur du trou de forage
17.
WELL TOOL DEVICE FOR TRANSPORTING A HEAT GENERATING MIXTURE INTO A WELL PIPE
The present invention relates to a well tool device (10) for transporting a heat generating mixture (HGM) into a well pipe (WP), wherein the well tool device (10) comprises an upper connection section (11), a main housing section (14) comprising a compartment (16) for the heat generating mixture (HGM) and an anchoring device (20) connected between the upper connection section (11) and the main housing section (14). The main housing section (14) comprises a compartment subsection (15) and a distance subsection (17), where the compartment (16) is located within the compartment subsection (15) and where the distance subsection (17) is located above the compartment subsection (15).
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 29/02 - Découpage ou destruction de tubes, packers, bouchons ou câbles, situés dans les trous de forage ou dans les puits, p.ex. découpage de tubes endommagés, de fenêtres; Déformation des tubes dans les trous de forage; Remise en état des tubages de puits sans les retirer du sol au moyen d'explosifs ou par des moyens thermiques ou chimiques
18.
WELL TOOL DEVICE FOR TRANSPORTING A HEAT GENERATING MIXTURE INTO A WELL PIPE
A well tool device (10) for transporting a heat generating mixture (HGM) into a well pipe (WP), comprising an upper connection section (11), a main housing section (14) comprising a compartment (16) for the heat generating mixture and a sealing device (50) provided below the main housing section (14). The sealing device (50) comprises a lower supporting element (56) comprising a lower wedging surface (56a), an upper wedging surface (54a) faced towards the lower wedging surface (56a), and a sealing ring (52) provided between the lower wedging surface (56a) and the upper wedging surface (54a). The sealing element (52) comprises a plurality of thimble-shaped elements (70) inserted into each other to form a torus; wherein a relative axial movement between the lower wedging surface (56a) and the upper wedging surface (54a) in a direction towards each other provides radial expansion of the sealing element (52).
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
The present invention relates to a well tool device (10) for transporting a heat generating mixture (HGM) into a well pipe (WP), wherein the well tool device (10) comprises an upper connection section (11), a main housing section (14) comprising a compartment (16) for the heat generating mixture (HGM) and an anchoring device (20) connected between the upper connection section (11) and the main housing section (14). The main housing section (14) comprises a compartment subsection (15) and a distance subsection (17), where the compartment (16) is located within the compartment subsection (15) and where the distance subsection (17) is located above the compartment subsection (15).
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 29/02 - Découpage ou destruction de tubes, packers, bouchons ou câbles, situés dans les trous de forage ou dans les puits, p.ex. découpage de tubes endommagés, de fenêtres; Déformation des tubes dans les trous de forage; Remise en état des tubages de puits sans les retirer du sol au moyen d'explosifs ou par des moyens thermiques ou chimiques
E21B 33/13 - Procédés ou dispositifs de cimentation, de bouchage des trous, des fissures ou analogues
20.
WELL TOOL DEVICE FOR TRANSPORTING A HEAT GENERATING MIXTURE INTO A WELL PIPE
A well tool device (10) for transporting a heat generating mixture (HGM) into a well pipe (WP), comprising an upper connection section (11), a main housing section (14) comprising a compartment (16) for the heat generating mixture and a sealing device (50) provided below the main housing section (14). The sealing device (50) comprises a lower supporting element (56) comprising a lower wedging surface (56a), an upper wedging surface (54a) faced towards the lower wedging surface (56a), and a sealing ring (52) provided between the lower wedging surface (56a) and the upper wedging surface (54a). The sealing element (52) comprises a plurality of thimble-shaped elements (70) inserted into each other to form a torus; wherein a relative axial movement between the lower wedging surface (56a) and the upper wedging surface (54a) in a direction towards each other provides radial expansion of the sealing element (52).
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 27/02 - Cuillers de déchargement, c.à d. récipients pour déposer des substances, p.ex. du ciment ou des acides
21.
Method for replacing a chemical injection valve connected to a well head via an injection line housing and injection line plugging tool
Method for replacing a chemical injection valve connected to a well head via an injection line housing, where an end of an injection line is provided within the injection line housing, includes: connecting an injection line plugging tool to the chemical injection valve; providing threads in the end of the injection line by means of the injection line plugging tool; connecting an injection line plug to the threads of the injection line by the injection line plugging tool; disconnecting the chemical injection valve from the injection line housing; connecting a further chemical injection valve to the injection line housing; connecting the injection line plugging tool to the further chemical injection valve; removing the injection line plug from the end of the injection line by the injection line plugging tool; disconnecting the injection line plugging tool from the further chemical injection valve.
E21B 34/02 - Aménagements des vannes pour les trous de forage ou pour les puits dans les têtes de puits
E21B 33/068 - Têtes de puits; Leur mise en place comportant des dispositions pour introduire des objets dans les puits ou pour les en retirer, ou pour y introduire des fluides
E21B 33/038 - Connecteurs utilisés sur les têtes de puits, p.ex. pour relier l'obturateur anti-éruption et la colonne montante dans l'eau
F16L 55/128 - Moyens pour arrêter l'écoulement dans les tuyaux ou manches en introduisant dans le tuyau un élément expansible in situ introduits axialement dans le tuyau ou la manche
22.
VALVE ASSEMBLY, A PRODUCTION TUBING SYSTEM AND A PRODUCTION TUBING SUB
The present invention relates to a valve assembly (20) for connection to an opening (16) provided in a housing (12) of a well tool device (10). It comprises a fluid communication channel (23) providing fluid communication from an outside (o) of the housing (12) to a bore (13) provided on the inside of the housing (12). It comprises a flapper valve device (30) comprising a flapper element (32) configured to be in a closed position in which the fluid communication channel (23) is closed and an open position in which the fluid communication channel (23) is open. The flapper element (32) is biased to its closed position. It comprises a flapper element supporting device (40) for supporting the flapper element (32) when the flapper element (32) is in its open position. It comprises a securing device (50) for securing the flapper valve device (30) and the flapper element supporting device (40) to the opening (16). The securing device (50) comprises a through bore (23a) forming a first part of the fluid communication channel (23). The present invention also relates to a production tubing sub (10) for a production tubing system (1). The present invention also relates to a production tubing system (1) for an oil and/or gas well (w). The present invention also relates to a method for installing a production tubing system (1) in a well (w).
E21B 34/10 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits actionnés par un fluide de commande provenant de l'extérieur du trou de forage
A well bridge plug assembly includes a sub body to be positioned in a well, the sub body including an internal fluid pathway extending from a downhole end of the sub body to an uphole end of the sub body. The sub body flows well fluid through the internal fluid pathway in an uphole direction from the downhole end toward the uphole end. A plug nose positioned at the downhole end of the sub body includes an aperture fluidly connected to the internal fluid pathway of the sub body. A flapper element in the internal fluid pathway moves between an open position and a closed position to selectively seal the internal fluid pathway from fluid flow, and a sealing element circumscribing a portion of the sub body selectively seals against a wall of a wellbore.
A well bridge plug assembly includes a sub body to be positioned in a well, the sub body including an internal fluid pathway extending from a downhole end of the sub body to an uphole end of the sub body. The sub body flows well fluid through the internal fluid pathway in an uphole direction from the downhole end toward the uphole end. A plug nose positioned at the downhole end of the sub body includes an aperture fluidly connected to the internal fluid pathway of the sub body. A flapper element in the internal fluid pathway moves between an open position and a closed position to selectively seal the internal fluid pathway from fluid flow, and a sealing element circumscribing a portion of the sub body selectively seals against a wall of a wellbore.
E21B 34/06 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits
25.
EXTRUSION PREVENTING DEVICE FOR INCORPORATION INTO A SEALING ELEMENT AND A WELL TOOL DEVICE COMPRISING A SEALING ELEMENT IN WHICH SUCH AN EXTRUSION PREVENTING DEVICE IS INCORPORATED
The present invention relates to an extrusion preventing device (10) for incorporation into a sealing element (7) of a well tool device (1). The extrusion preventing device (10) comprises a wire (11) wound with a plurality of turns (T1, T2, T3,..., Tn) to form a torus-shaped coiled spring (12). Each turn of the torus-shaped coiled spring (12) is canted.
A well tool device with a housing (2) and a through bore (3). A frangible disc (4) is supported in the through bore (3) by a first supporting device (22) and a second supporting device (32). The well tool device (1) is configured to be in a second state, in which a shear element (15) has been sheared off and the frangible disc (4) and the second supporting device (32) have been moved axially until the frangible disc (4) has been brought into contact with the disintegration device (8). The well tool device (1) is configured in a third state, in which the frangible disc (4) has been disintegrated by the disintegration device (8). A flushing channel (40) is provided in the bore wall (6) radially outside of the frangible disc (4) when the well tool device (1) is in the second state.
A well tool device includes a housing having an axial through bore. The well tool device further includes a sleeve section axially displaceable relative to the housing; a fluid flow preventing frangible disc; and an axial fluid passage bypassing the frangible disc when the well tool device is in an initial state, thereby allowing a fluid flow between a first location above the frangible disc and a second location below the frangible disc. The sleeve section includes an axial through bore aligned with the axial through bore of the housing. The axial fluid passage is closed when the well tool device is in a subsequent state. The fluid flow preventing frangible disc is provided in the bore of the sleeve section in sealing engagement with the sleeve section. The well tool device further includes a disc supporting device for supporting the frangible disc in relation to the sleeve section. The disc supporting device is releasably connected inside the sleeve section by means of a releasable connection device. The well tool device further includes a disintegration device disintegration of the frangible disc, wherein the well tool device is in a final state when the frangible disc has been disintegrated by the disintegration device.
E21B 34/06 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits
E21B 34/10 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits actionnés par un fluide de commande provenant de l'extérieur du trou de forage
A well tool device includes a mandrel device having an axial center axis, a housing device provided radially outside of the mandrel device, and a ratchet system. The ratchet system includes a grooved outer surface area of the mandrel device, a first locking ring including a grooved inner surface area engaged with the grooved outer surface area of the mandrel device, a grooved outer surface area, and an axial slit allowing radial expansion of the first locking ring. The first locking ring is engaged with the outer housing. The ratchet system is configured to allowing relative axial movement between the mandrel device and the first locking ring in a first axial direction and to prevent relative axial movement between the mandrel device and the locking ring in a second direction opposite of the first direction. The ratchet system further includes a second locking ring provided radially outside the first locking ring, the second locking ring including a grooved inner surface area engaged with the grooved outer surface area of the first locking ring, and an axial slit allowing radial expansion of the second locking ring. The second locking ring is engaged with the outer housing.
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 23/02 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour verrouiller les outils ou autres éléments sur des supports ou dans des retraits entre sections adjacentes du tubage
A method for testing an integrity of a primary barrier arranged in a well includes arranging a first sealing device above the primary barrier in a position axially spaced from the primary barrier in the well, which establishes a test chamber confined by the first sealing device and the primary barrier. The method further includes arranging a second sealing device above the first sealing device in a position axially spaced from the first sealing device in the well, which establishes a further test chamber between the first sealing device and the second sealing device. The method also includes reducing a pressure of the test chamber to a predetermined test pressure, monitoring the pressure of the test chamber and a pressure of the further test chamber after the pressure reduction, and verifying the integrity of the primary barrier if no pressure increases or decreases are detected in the test chamber after the applied pressure reduction.
an inner mandrel device (21) and an outer housing device (26), an upper sealing device (30), a slips device (40), a lower sealing device (50) and a centralizing device (60) connected to each other in an axial direction outside of the mandrel device 21. The slips device (40) is provided axially between the upper and lower sealing devices (30, 50). The centralizing device (60) is provided below the lower sealing device (50) or above the upper sealing device (30). When the centralizing device (60) is provided below the lower sealing device (50), the upper sealing device (30), the slips device (40), the lower sealing device (50) and the upper section (61) of the centralizing device (60) are axially displaceable downwardly and upwardly in relation to the mandrel device (21) and the upper section (31) of the upper sealing device (30) is connected to the outer housing device (26) and the lower section (62) of the centralizing device (60) is fixed to the inner mandrel device (21). When the centralizing device (60) is provided above the upper sealing device (30), the centralizing device (60), the upper sealing device (30), the slips device (40) and the upper section (51) of the lower sealing device (50) are axially displaceable downwardly and upwardly in relation to the mandrel device (21) and the upper section (61) of the centralizing device (60) is connected to the outer housing device (26) and the lower section (52) of the lower sealing device (50) is fixed to the inner mandrel device (21).
The present invention relates to a well tool device (1) comprising a housing (10) having an axial through bore (11). A sleeve section (20) is releasably connected to the housing (10) in the through bore (11). The sleeve section (20) comprises an axial bore (21) and a frangible disc (30) provided in the bore (21) of the sleeve section (20) in sealing engagement with the sleeve section (20). The sleeve section (20) is axially displaceable within the bore (11) between a first position (P1) and a second position (P2). The housing (10) comprises an axial bypass fluid passage (12) provided axially between a first location (L1) above the sleeve section (20) to a second location (L2) below the sleeve section (20) when the sleeve section (20) is in the first position (P1). The axial bypass fluid passage (12) is provided radially between the sleeve section (20) and the housing (10) when the sleeve section (20) is in the first position (P1). The well tool device (1) comprises a sealing device (36) provided radially between the sleeve section (20) and the housing (10) when the sleeve section (20) is in the second position (P2).
E21B 34/14 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits actionnés par le mouvement des outils, p.ex. obturateurs à manchons actionnés par des pistons ou par des outils à câble
E21B 34/10 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits actionnés par un fluide de commande provenant de l'extérieur du trou de forage
32.
Anchor module for anchoring to a casing, a casing plug assembly and a method for setting two casing plugs in one run
An anchor module has an inner mandrel having a through bore, a slips device, upper and lower slips supports, and a spring device radially outside of the inner mandrel. The slips device is biased to a run state. A fluid actuation system counteracts the biasing force and includes a lower piston axially displaceable within a lower fluid chamber, an upper piston axially displaceable within an upper fluid chamber, and a fluid restriction provided in the bore. A lower fluid line is provided between the bore and the lower fluid chamber. The upper and lower pistons are connected to the lower slips device. An upper fluid line is between the bore and the upper fluid chamber. A cross sectional area of the fluid bore at the entrance of the upper fluid line smaller than the cross sectional area of the fluid bore at the entrance of the lower fluid line.
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 33/128 - Packers; Bouchons avec un organe dilaté radialement par pression axiale
E21B 33/129 - Packers; Bouchons à patins mécaniques pour accrochage dans le tubage
E21B 33/1295 - Packers; Bouchons à patins mécaniques pour accrochage dans le tubage actionnés par pression de fluide
E21B 23/04 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage mis en œuvre à l'aide de moyens fluides, p.ex. actionnés par explosion
33.
METHOD FOR REPLACING A CHEMICAL INJECTION VALVE CONNECTED TO A WELL HEAD VIA AN INJECTION LINE HOUSING AND INJECTION LINE PLUGGING TOOL
The present invention relates to a method for replacing a chemical injection valve (CIV) connected to a well head (WH) via an injection line housing (ILH), where an end (ILE) of an injection line (IL) is provided within the injection line housing (ILH). The invention also relates to an injection line plugging tool (1) for plugging an injection line (IL) where the tool (1) comprises a tool housing and a tool rod. The tool housing (10) has a through bore (11) and a connection interface (12) in a first end (10a) of the tool housing (10). The tool rod (20) is axially displaceable within the through bore (11) and a tool connection interface (22) is provided in a first end (20a) of the tool rod (20). A injection line plug (50) is configured to be releasably connected to the tool connection interface (22). The injection line plug (50) is configured to be connected into the injection line (IL) by axial displacement of the tool rod (20).
The present invention relates to a well tool device (1) comprising a housing (10) having an axial through bore (11). It comprises a sleeve section (20) axially displaceable relative to the housing (10), where the sleeve section (20) comprises an axial through bore (21) aligned with the axial through bore (11) of the housing (10). It comprises a fluid flow preventing frangible disc (30) provided in the bore (21) in sealing engagement with the sleeve section (20). It comprises an axial fluid passage (2) bypassing the frangible disc (30) when the well tool device (1) is in an initial state (S1), thereby allowing a fluid flow (FF1) between a first location (L1) above the frangible disc (30) and a second location (L2) below the frangible disc (30). The axial fluid passage (2) is closed when the well tool device (1) is in a subsequent state (s2). It comprises a disc supporting device (41) for supporting the frangible disc (30) in relation to the sleeve section (20), where the disc supporting device (41) is releasably connected inside the sleeve section (20) by means of a releasable connection device (42). It comprises a disintegration device (40) for disintegration of the frangible disc (30), where the well tool device (1) is in a final state (S3) when the frangible disc (40) has been disintegrated by means of the disintegration device (40).
E21B 34/06 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits
E21B 34/10 - Aménagements des vannes pour les trous de forage ou pour les puits dans les puits actionnés par un fluide de commande provenant de l'extérieur du trou de forage
The present invention relates to a well tool device (1) comprising a mandrel device (10) having a axial center axis (I), a housing device (20) provided radially outside of the mandrel device (10) and a ratchet system (30). The ratchet system comprises a grooved outer surface area (32) of the mandrel device (10), a first locking ring (40) comprising a grooved inner surface area (42) engaged with the grooved outer surface area (32) of the mandrel device (10), a grooved outer surface area (44) and an axial slit (41) allowing radial expansion of the first locking ring (40). The first locking ring (40) is engaged with the outer housing (20). The ratchet system (30) is configured to allowing relative axial movement between the mandrel device (10) and the first locking ring (40) in a first axial direction (A) and to prevent relative axial movement between the mandrel device (10) and the locking ring (40) in a second direction (B) opposite of the first direction (A). The ratchet system (30) further comprises a second locking ring (50) provided radially outside the first locking ring (40), the second locking ring (50) comprising a grooved inner surface area (52) engaged with the grooved outer surface area (42) of the first locking ring (40), and an axial slit (51) allowing radial expansion of the second locking ring (50). The second locking ring (50) is engaged with the outer housing (20).
E21B 23/02 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour verrouiller les outils ou autres éléments sur des supports ou dans des retraits entre sections adjacentes du tubage
The invention relates to a well tool assembly (1) comprising a setting tool (10) and a plugging tool (20). The plugging tool (20) comprises: - an inner mandrel device (21) and an outer housing device (26), an upper sealing device (30), a slips device (40), a lower sealing device (50) and a centralizing device (60) connected to each other in an axial direction outside of the mandrel device 21. The slips device (40) is provided axially between the upper and lower sealing devices (30, 50). The centralizing device (60) is provided below the lower sealing device (50) or above the upper sealing device (30). When the centralizing device (60) is provided below the lower sealing device (50), the upper sealing device (30), the slips device (40), the lower sealing device (50) and the upper section (61) of the centralizing device (60) are axially displaceable downwardly and upwardly in relation to the mandrel device (21) and the upper section (31) of the upper sealing device (30) is connected to the outer housing device (26) and the lower section (62) of the centralizing device (60) is fixed to the inner mandrel device (21). When the centralizing device (60) is provided above the upper sealing device (30), the centralizing device (60), the upper sealing device (30), the slips device (40) and the upper section (51) of the lower sealing device (50) are axially displaceable downwardly and upwardly in relation to the mandrel device (21) and the upper section (61) of the centralizing device (60) is connected to the outer housing device (26) and the lower section (52) of the lower sealing device (50) is fixed to the inner mandrel device (21).
The invention concerns a method for testing the integrity of a primary barrier (1) arranged in a well (3), wherein the method comprises the following steps; a) arranging a secondary seal (2) above the primary barrier (1) in a position axially spaced from the primary barrier (1) in the well thereby establishing a test chamber (4) confined by the secondary seal (2) and the primary barrier (1), b) testing and verifying the integrity of the secondary seal (2) c) reducing the pressure of the test chamber (4) to a predetermined test pressure (TP2), d) monitoring the pressure of the test chamber (4) after the pressure reduction. The invention also concerns a system for testing integrity of a primary barrier (1) arranged in a well. The invention also comprises a system for testing the integrity of a primary barrier.
A well tool device may include a housing having an inner surface defining a through bore, a frangible glass body with upper and lower chamfered supporting surfaces and a seat for supporting the frangible glass body in relation to the housing. Additionally, a sealing device is provided between the frangible disc and the seat. Further, the frangible glass body is provided as one glass body with a barrier portion supported by the seat and a neck portion protruding in the direction of the through bore, where the diameter of the neck portion is smaller than the diameter of the barrier portion.
The present invention relates to an anchor module (50) for anchoring to a casing (C), comprising: an inner mandrel (51) having a through bore (52); a slips device (70), upper and lower slips supports (71, 72) for supporting the slips device (70) in a run state and a set state. A spring device (73) is provided radially outside of the inner mandrel (51), where the slips device (70) is biased to its run state by means of the spring device (73). A fluid actuation system (60) is configured to counteract the biasing force provided by the spring device (73). The fluid actuation system (60) comprises a lower piston (62) axially displaceable within a lower fluid chamber (64), where a lower fluid line (66) is provided between the bore (52) and the lower fluid chamber (64), where the lower piston (62) is a part of or is connected to the lower slips device (72). The fluid actuation system (60) further comprises an upper piston (63) axially displaceable within an upper fluid chamber (65), where an upper fluid line (67) is provided between the bore (52) and the upper fluid chamber (65), where the upper piston (63) is connected to the lower slips device (72). The fluid actuation system (60) further comprises a fluid restriction (68) provided in the bore (52), where a cross sectional area (A67) of the fluid bore (52) at the entrance (67a) of the upper fluid line (67) is smaller than the cross sectional area (A66) of the fluid bore (52) at the entrance (66a) of the lower fluid line (66).
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
E21B 33/128 - Packers; Bouchons avec un organe dilaté radialement par pression axiale
E21B 33/129 - Packers; Bouchons à patins mécaniques pour accrochage dans le tubage
40.
Well tool modules for radial drilling and anchoring
A drilling module is for radial drilling in a well and an anchoring module is for use in a well tool. The drilling module has a piston for receiving a drill for the radial drilling, and for displacing the drill in a radial direction towards a wall of the well and a cylinder for receiving and guiding the piston. Both the piston and the cylinder are guide-free and of a non-circular shape, at least in a portion, to prevent relative rotation between them. The anchoring module has an extent in the axial direction of the well. The anchoring module includes a displacement device arranged to push against a portion of the wall of the well to press the anchoring module against an opposite portion of the wall of the well. The displacement device is oblong in the axial direction of the anchoring module.
E21B 43/112 - Perforateurs avec organes de perforation extensibles, p.ex. actionnés par des moyens fluides
E21B 23/01 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour ancrer les outils ou similaires
The present invention relates to a well tool device (1) comprising a housing (10) having an inner surface (11) defining a through bore (12), a frangible glass body (20) comprising upper and lower chamfered supporting surfaces (20a, 20b) and a seat (40) for supporting the frangible glass body (20) in relation to the housing (10). A sealing device (30) is provided between the frangible disc (20) and the seat (40). The frangible glass body (20) is provided as one glass body (20) comprising a barrier portion (21) supported by the seat (40) and a neck portion (22) protruding in the direction of the through bore (12), where the diameter (D22; D24, D25) of the neck portion (22) is smaller than the diameter (D21) of the barrier portion (21).
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Repair, installation and maintenance services within the
oil, and gas industry; well drilling services for
exploitation of oil and gas; well intervention services. Scientific and technological services and research and
design relating thereto, all within the oil-, and gas
sector; industrial analysis and research services within the
oil, and gas sector; analysis services for the exploitation
of oil, and gas resources; oil, and gas well surveys;
geological surveys; engineering services; oil-field surveys;
oil prospecting services.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Repair, installation and maintenance services within the
oil, and gas industry; well drilling services for
exploitation of oil and gas; well intervention services. Scientific and technological services and research and
design relating thereto, all within the oil-, and gas
sector; industrial analysis and research services within the
oil, and gas sector; analysis services for the exploitation
of oil, and gas resources; oil, and gas well surveys;
geological surveys; engineering services; oil-field surveys;
oil prospecting services.
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Repair, installation and maintenance services within the oil, and gas industry, namely, repair of deep oil and gas wells, installation in the nature of cementing services for oil and gas wells, maintenance of oil and gas wells; well drilling services for exploitation of oil and gas; well intervention services, namely construction and repair of wells, and performing procedures on oil and gas wells that alter the productive state of the wells or alter well geometry Scientific and technological services and research and design relating thereto, namely, scientific research, analysis and testing in the field of oil and gas production, design in the nature of engineering, all within the oil and gas sector; [ industrial analysis and research services within the oil, and gas sector, namely, analysis of industrial fluids and industrial research in the field of oil and gas production; analysis services for the exploitation of oil, and gas resources; oil and gas well surveys; geological surveys; ] engineering services [ ; oil-field surveys; oil prospecting services ]
37 - Services de construction; extraction minière; installation et réparation
42 - Services scientifiques, technologiques et industriels, recherche et conception
Produits et services
Repair, installation and maintenance services within the oil, and gas industry, namely, repair of deep oil and gas wells, installation in the nature of cementing services for oil and gas wells, maintenance of oil and gas wells; well drilling services for exploitation of oil and gas; well intervention services, namely construction and repair of wells, and performing procedures on oil and gas wells that alter the productive state of the wells or alter well geometry Scientific and technological services and research and design relating thereto, namely, scientific research, analysis and testing in the field of oil and gas production, design in the nature of engineering, all within the oil and gas sector; [ industrial analysis and research services within the oil, and gas sector, namely, analysis of industrial fluids and industrial research in the field of oil and gas production; analysis services for the exploitation of oil, and gas resources; oil and gas well surveys; geological surveys; ] engineering services [ ; oil-field surveys; oil prospecting services ]
A reinforcement ring, includes an annular coil spring with a core unit arranged inside to prevent deforming or twisting of the ring under load. The core unit is formed from a chain of interlinked elements, each having a male part and a female part; the male parts of each element being engaged with corresponding female parts of an adjoining element.
Downhole plug, especially designed for closing an annular conduit in an oil or gas well, under high pressure and temperature. It has two radially expandable ring elements 13, 15, which are arranged on a carrying cylindrical element 32, between two mutually axially movable pressure elements 12, 14, having an expansion sleeve in between. The ring elements can, by insertion of the downhole plug in a well, be expanded from an inner position, seen radially, to a sealing position against the wall of the well. The radially expandable ring elements 13, 15, comprises a closed series of circumferentially overlapping seal elements 13A, 15 A. By the expanding movement they are mutually moved in the circumferential direction, thereby maintaining a seal against each other. They form an outer sealing surface 38, which can provide a seal against a cylindrical pipe wall, and they have an inwards facing sealing surface 47.
E21B 23/00 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage
48.
Method and device related to a retrievable well plug
A retrievable well plug has a through shaft (12) with link connections (62, 64) and a packer element (66). By pushing the link connections (62, 64) and the packer element towards each other, the link connections (62, 64) and the packer element (66) expand radially, such that a mechanical barrier for the packer element (66) is formed. The links (76; 174, 176) have a generally T-shaped cross sectional profile and include an arm (78) with an end (80) meant for fastening to the fastening devices (72, 74). The other end of the arm (78) fastens to the second link (77) of the link connection (62, 64). Upper supporting surfaces (84, 86; 184; 192, 194) of the links (76; 174, 176) form an approximately tight mechanical barrier against the packer element (66) in an expanded position. The anchoring device (20) has a number of gripping devices (22), wherein the gripping devices (22) at setting of the well plug (10) expand radially, thereby providing an anchoring of the well plug (10) to the well bore wall.
E21B 23/00 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage
E21B 23/02 - Appareils pour déplacer, mettre en place, verrouiller, libérer ou retirer, les outils, les packers ou autres éléments dans les trous de forage pour verrouiller les outils ou autres éléments sur des supports ou dans des retraits entre sections adjacentes du tubage
