4. Wells
  5. Processes
  6. Heating, cooling or insulating

Clark E. Robison

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Annular flow safety valve and methods

Wells – Processes – Placing or shifting well part
Reexamination Certificate

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Apparatus and method for determining constituent composition...

Measuring and testing – Borehole or drilling – Fluid flow measuring or fluid analysis
Reexamination Certificate

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Apparatus and method for enhanced oil recovery

Wells – Processes – Heating – cooling or insulating
Patent

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Apparatus and method for perforating a subterranean formation

Wells – Processes – In situ combustion
Reexamination Certificate

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Apparatus for enhanced oil recovery

Wells – Means for guiding insertable element laterally of well axis
Patent

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Profile ID: LFUS-PAI-P-276100

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