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High temperature, high pressure retrievable packer

Wells – Packers or plugs – With expanding anchor
Patent

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High temperature, high pressure retrievable packer

Wells – Packers or plugs – With expanding anchor
Patent

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High tensile loading top entry sub and method

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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High torque and high capacity rotatable center core and...

Wells – Processes – Assembling well part
Reexamination Certificate

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High torque and high capacity rotatable center core and...

Wells – Processes – Assembling well part
Reexamination Certificate

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High torque and high capacity rotatable center core with ram...

Wells – Processes – Assembling well part
Reexamination Certificate

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High torque pressure sleeve for easily drillable casing exit por

Wells – Wells with lateral conduits
Patent

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High vertical and horizontal conformance thermal oil recovery pr

Wells – Processes – With indicating – testing – measuring or locating
Patent

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High vertical and horizontal conformance viscous oil recovery me

Wells – Processes – Cyclic injection then production of a single well
Patent

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High vertical conformance steam drive oil recovery method

Wells – Processes – Cyclic injection then production of a single well
Patent

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High vertical conformance steam drive oil recovery method

Wells – Processes – Cyclic injection then production of a single well
Patent

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High vertical conformance steam drive oil recovery method

Wells – Processes – Cyclic injection then production of a single well
Patent

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High vertical conformance steam drive oil recovery method

Wells – Processes – Cyclic injection then production of a single well
Patent

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High vertical conformance steam drive oil recovery method

Wells – Processes – Distinct – separate injection and producing wells
Patent

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High vertical conformance steam drive oil recovery method

Wells – Processes – Specific pattern of plural wells
Patent

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High vertical conformance steam injection petroleum recovery met

Wells – Processes – Distinct – separate injection and producing wells
Patent

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High viscosity low friction pressure loss well treating fluids a

Wells – Processes – Cementing – plugging or consolidating
Patent

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High volume sand trap and method

Wells – Processes – Cleaning or unloading well
Reexamination Certificate

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High-energy gas fracture apparatus for through-tubing...

Wells – With explosive or gas generating means in well
Reexamination Certificate

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High-load big bore lock

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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