Patent · US Active

System and method for improving the exploitation of a wellbore

US11952889B2 · kind B2 · utility

1Cited by
2References
18Claims
0Family size

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Inventor

Key dates

Filing dateMay 7, 2020
Grant dateApr 9, 2024
Priority date—
Expiry dateJan 6, 2041

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B43/12
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A method (1000) of improving the operation of a wellbore (1), said wellbore (1) including a drill pipe (2) in which a fluid (3) circulates and an optical fiber (5) positioned outside the drill pipe (2). The circulation of said fluid (3) is controlled at least in part by an outlet valve (4a) and/or an injection valve (4b). The method includes steps of generating (100) two digital orthogonal backscatter signals from at least one light signal, preferably polarized, injected into said optical fiber (5), and controlling (400) the opening of injection and/or outlet valves (4) depending on the two digital orthogonal backscatter signals.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.