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2021
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Invention
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Multiple ridge cutting element. A cutting element may include a substrate; and an ultrahard layer... |
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2020
|
Invention
|
Cutter with geometric cutting edges. A cutting element includes a base and a cutting face at oppo... |
|
|
Invention
|
Cutter with edge durability. A cutting element has a cutting face with a geometry including at le... |
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|
Invention
|
Polycrystalline diamond cutting element having improved cutting efficiency. A cutting element may... |
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|
Invention
|
Hybrid bit. A hybrid bit includes a fixed cutting structure and a rolling cutting structure. The ... |
|
|
Invention
|
Bolsters for degradation picks. A bolster for a degradation pick includes a transverse cross sect... |
|
|
Invention
|
System and architecture for comparing and selecting a drill bit design. Systems and methods discu... |
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|
Invention
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Luminescent diamond. Luminescent diamond is made by subjecting a volume of diamond grains to high... |
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2019
|
Invention
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Non planar cutting element with non planar interface design and tools incorporating such elements... |
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|
Invention
|
Rotary tool with thermally stable diamond. A tool for removing material includes a body, an ultra... |
|
|
Invention
|
Cutting elements with modified diamond surface. Cutting elements include a carbonate diamond-bond... |
|
|
Invention
|
Fixed cutter drill bit with high fluid pressures. A drill bit includes a bit body with high and l... |
|
|
Invention
|
Drill bit for use with intensified fluid pressures. A cutting bit includes a bit body and high-pr... |
|
|
Invention
|
Rolling cutter. A cutting element for a drill bit includes an outer support element and an inner ... |
|
|
Invention
|
Underreamer for increasing a wellbore diameter. An underreamer for increasing a diameter of a wel... |
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2018
|
Invention
|
Hybrid cutting structures with blade undulations. A downhole cutting tool may include tool body; ... |
|
|
Invention
|
Drill bits with internally tapered blade and trimming cutting elements. A drill bit for obtaining... |
|
|
Invention
|
Cutting elements, methods for manufacturing such cutting elements, and tools incorporating such c... |
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|
Invention
|
Cutting elements with wear resistant surfaces. Cutting elements and hardfacing materials are in t... |
|
|
Invention
|
Cutting tool with pre-formed hardfacing segments. A downhole tool includes a blade coupled to a b... |
|
|
Invention
|
Drill bit rolling element with retaining ring. A cutting element includes a sleeve, a rotatable c... |
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|
Invention
|
Stepped downhole tools and methods of use. A downhole tool includes at least a pilot section, a f... |
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|
Invention
|
Kerfing hybrid drill bit and other downhole cutting tools. A drill bit for drilling a borehole in... |
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P/S
|
bumper subs for use in oil and gas wells |
|
|
Invention
|
Thermal insulation layer and pressure transfer medium for high-pressure high-temperature cell. HP... |
|
|
Invention
|
Rotating elements for downhole cutting tools.
A cutting element includes a cutting end having a ... |
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2017
|
Invention
|
Roller cone drill bit with evenly loaded cutting elements. A drill bit is used for drilling throu... |
|
|
Invention
|
Binderless cbn sintering with cubic press. A method of sintering a binderless cBN body includes p... |
|
|
Invention
|
Polycrystalline diamond constructions. Polycrystalline diamond constructions are formed from a mi... |
|
|
Invention
|
Customized drilling tools. A bit includes a bit body having at least one blade coupled to the bit... |
|
|
Invention
|
Cutting element pocket with relief features.
A bit has a bit body. A pocket is formed in a surfa... |
|
|
Invention
|
Pdc cutter with depressed feature. A cutting element includes a table coupled to a substrate at a... |
|
|
Invention
|
Cutting tools with rotating elements. A cutting tool has a tool body, a plurality of blades exten... |
|
|
Invention
|
Fiber reinforced elastomeric stator. Embodiments disclosed herein relate to a composition useful ... |
|
|
Invention
|
Rolling cutter with retaining ring. A cutting element includes a sleeve, a rotatable cutting elem... |
|
|
Invention
|
Devices, systems, and methods for controlling gasket flow in a high pressure press. An anvil for ... |
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2016
|
Invention
|
Mechanical locking of ovoid cutting element with carbide matrix. A cutting assembly for use in a ... |
|
|
Invention
|
Polycrystalline diamond constructions with protective element. PCD constructions as disclosed com... |
|
|
Invention
|
Polycrystalline diamond constructions with modified reaction zone. Polycrystalline diamond constr... |
|
|
Invention
|
Cutting elements formed from combinations of materials and bits incorporating the same. A cutting... |
|
|
Invention
|
Fixed cutter bits and other downhole tools having non-planar cutting elements thereon. A downhole... |
|
|
Invention
|
Eruption minimization in thermally stable pcd products.
A polycrystalline diamond construction m... |
|
|
Invention
|
Rolling cutter stability. A cutting element includes a cutting end extending a depth from a cutti... |
|
|
Invention
|
Rotating cutting structures and structures for retaining the same. A downhole cutting tool includ... |
|
|
Invention
|
Blade geometry for fixed cutter bits. A downhole tool includes a tool body, at least one blade wi... |
|
|
Invention
|
Assemblies for making superhard products by high pressure/high temperature processing. Assemblies... |
|
2015
|
Invention
|
Polycrystalline diamond sintered/rebonded on carbide substrate containing low tungsten. A method ... |
|
|
Invention
|
Roller cutting element construction. Roller cutters comprise a diamond-bonded body joined to an i... |
|
2014
|
P/S
|
Drill bits; reamers (machine tools); drill bits and reamers for drilling oil and gas wells; parts... |
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2011
|
P/S
|
Hydraulic catheads used in oilfield drilling |
|
|
P/S
|
Oil and gas well drilling and servicing tools, namely, underreamers. Drilling of oil and gas well... |
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2010
|
P/S
|
Stators being parts of machines. |
|
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P/S
|
Oilfield equipment, namely drilling motors and parts therefor, mud motors, power sections, elasto... |
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2009
|
P/S
|
rental of drilling equipment, namely, drill pipe, drill collars and accessories; rental of pressu... |
|
|
P/S
|
Oil and gas field equipment, namely, machines in the nature of downhole well tools for deep water... |
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2008
|
P/S
|
Downhole oil field equipment, namely, bridge plugs and packers |
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2007
|
P/S
|
Drilling machines and parts therefor for drilling and completing oil and gas wells, comprised of ... |
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|
P/S
|
Drilling machines and parts therefore for drilling and completing oil and gas wells, comprised of... |
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2005
|
P/S
|
Synthetic diamond drag bits for drilling earthen formations with oil and gas rigs |
|
|
P/S
|
Well tools, namely power driven reamers for use in the oil and gas industry |
|
|
P/S
|
Power driven drill bits for use in oil and gas drilling |
|
2004
|
P/S
|
Remotely operated annular control device used to divert fluid or gas when drilling earth formations |
|
|
P/S
|
Consulting in the field of oil and gas well drilling, namely, providing bit records, field run re... |
|
2003
|
P/S
|
Consulting in the field of oil drilling, namely, analyzing geologic conditions, drilling conditio... |
|
2002
|
P/S
|
Power operated super abrasive tooling used in friction stirring of metals |
|
|
P/S
|
Electrical wireline services and repair services for the oil and gas industry; perforating, pipe ... |
|
|
P/S
|
Power-driven earth boring drill bit |
|
|
P/S
|
Drill bits for drilling oil and gas wells |
|
|
P/S
|
Oil field power tools, namely packers |
|
|
P/S
|
Power-operated drill bit use in the oil and gas drilling industry |
|
|
P/S
|
Drill bits for use in oil and gas drilling |
|
2001
|
P/S
|
Rock Bits for Drilling Bore Holes in the Earth. |
|
|
P/S
|
Computer software for use in analyzing and evaluating for others nozzles for use with a drill bit... |
|
|
P/S
|
Well tools, namely underreamers for use in the oil and gas industry |
|
2000
|
P/S
|
Power drill bits for drilling oil and gas wells |
|
1999
|
P/S
|
DRILL BITS FOR EARTH BORING MACHINES |
|
1998
|
P/S
|
Analyzing rock bit geometry, geologic conditions, kinematics, dynamics, rock mechanics data, flui... |
|
|
P/S
|
ANALYZING GEOLOGIC CONDITIONS, ROCK MECHANICS DATA AND DRILLING DATA FROM OFFSET WELLS PROVIDED B... |
|
|
P/S
|
ANALYZING ROCK BIT GEOMETRY, GEOLOGIC CONDITIONS, KINEMATICS, BIT DYNAMICS, ROCK MECHANICS DATA, ... |
|
1997
|
P/S
|
Tools for use in drilling oil or gas wells.
Well tool connectable as a part of a drill string to ... |
|
|
P/S
|
Metal hardware for use in the construction, maintenance and repair of oil and gas wells. Apparatu... |
|
1990
|
P/S
|
hammer bits for use with pneumatically-operated drills for use in gas and oil drilling and mining |
|
1987
|
P/S
|
Oil well tool, namely, a combined tensile energy accumulator and shock absorbing device. |
|
1983
|
P/S
|
REPAIR AND MAINTENANCE OF OILFIELD DRILLING EQUIPMENT PROVIDING FIELD INSPECTION OF OIL FIELD DRI... |
|
1982
|
P/S
|
Oil well drilling and fishing tools. |
|
|
P/S
|
Rock Bits and Hole Openers for Drilling Bore Holes in the Earth |
|
1980
|
P/S
|
Well drilling tools, namely downhole drilling motors. |
|
1977
|
P/S
|
OIL WELL DRILLING AND FISHING TOOLS |
|
|
P/S
|
MACHINES, ESPECIALLY MACHINES FOR WELL DRILLING IN THE FIELDS OF MINING AND PETROLEUM, TURBODRILL... |
|
|
P/S
|
Machines et machines-outils, turbines, matériel de forage. Outils et instruments à main. Appareil... |
