4. Wells
  5. Processes
  6. With indicating, testing, measuring or locating

Robert L. Coffee

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Downhole activated process and apparatus for deep perforation of

Boring or penetrating the earth – Boring with explosion in inaccessible hole – Firing chamber movable in bore relative to carrier or...
Patent

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Method and apparatus for automatic control of filtrate quality

Liquid purification or separation – With alarm – indicator – register – recorder – signal or... – Responsive to fluid flow
Patent

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Pressure monitoring apparatus

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

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Process and apparatus for removing dissolved oxygen

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

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Profile ID: LFUS-PAI-P-580809

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