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 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
4.
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
5.
WELL TOOL DEVICE FOR INJECTING A FLUID THROUGH A HOLE IN A WELL BORE
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 (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
8.
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.
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.
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.
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
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).
brevets
