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Device and method for carrying out operations and/or manipulatio

Wells – Processes – Placing or shifting well part
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Device and method for injecting fluids into a wellbore

Wells – Processes – Placing fluid into the formation
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Device and method for installing a submerged water pump in an ar

Wells – Processes – Assembling well part
Patent

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Device and method for pumping a viscous liquid comprising inject

Wells – Processes – Producing the well
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Device and method for regulating fluid flow in a well

Wells – Processes – Operating valve – closure – or changeable restrictor in a well
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Device and method for shifting a port collar sleeve

Wells – Processes – Placing or shifting well part
Patent

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Device and method for the temporary protection of a working tool

Wells – Processes – Placing or shifting well part
Patent

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Device and method for treating a well bore

Wells – Processes – Heating – cooling or insulating
Patent

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Device and method to seal boreholes

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Device and method to seal boreholes

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Device for a hydraulic cutting tool

Wells – Processes – Perforating – weakening – bending or separating pipe at an...
Reexamination Certificate

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Device for and method of sensing conditions in a well bore

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

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Device for carrying out interventions in nonflowing deflected pr

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

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Device for carrying out measuring and servicing operations in a

Wells – Processes – Placing or shifting well part
Patent

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Device for extracting a liquid out of a tube of great length

Wells – Processes – Producing foam or gas in well by foaming or gas producing...
Patent

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Device for heating and thermally insulating at least one...

Wells – Processes – Heating – cooling or insulating
Reexamination Certificate

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Device for heating and thermally insulating at least one...

Wells – Processes – Heating – cooling or insulating
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Device for improving oil and gas recovery in wells

Wells – Processes – Producing the well
Reexamination Certificate

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Device for improving oil and gas recovery in wells

Wells – Processes – Producing the well
Reexamination Certificate

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Device for inserting tubular members together

Wells – Processes – Assembling well part
Patent

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