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Procedure and production pipe for production of oil or gas from an oil or gas reservoir

  • US 5,435,393 A
  • Filed: 09/15/1993
  • Issued: 07/25/1995
  • Est. Priority Date: 09/18/1992
  • Status: Expired due to Term
First Claim
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1. A method of production of oil or gas from a horizontal well defined within an oil or gas reservoir, said method comprising:

  • positioning directly within said well a drainage pipe to receive in an interior thereof oil or gas from said reservoir;

    dividing said drainage pipe exteriorly thereof into longitudinally separate sections each receiving individually oil or gas pressure from said reservoir;

    providing each said separate section with at least one inflow restriction device communicating the exterior of said each section with said interior of said drainage pipe; and

    regulating the pressure profile along said drainage pipe by controlling individually the amount of flow of oil or gas from said reservoir through said at least one inflow restriction device of each said section.

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