4. Wells
  5. Packers or plugs
  6. Spaced sealing portions

Vladimir M. Shaposhnikov

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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 intensification of hydrocarbon production and hydroca

Wells – Packers or plugs – Spaced sealing portions
Patent

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Method and device for production of hydrocarbons

Wells – Processes – Producing the well
Reexamination Certificate

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Method of and device for production of hydrocarbons

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

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Method of production of formation fluid and device for effecting

Wells – Processes – Producing the well
Patent

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Profile ID: LFUS-PAI-P-398120

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