Patent · US Active

Environmental compensation system for downhole oilwell tools

US11143018B2 · kind B2 · utility

0Cited by
4References
17Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 16, 2017
Grant dateOct 12, 2021
Priority date
Expiry dateOct 16, 2037

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B47/06
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

This disclosure may generally relate to systems and methods to compensate for changes in environmental conditions, such as temperature and pressure, that may be experienced by downhole tools. A downhole tool may include a tool body; a protective sleeve disposed around the tool body, wherein an annulus is formed between the protective sleeve and the tool body; a sensor coupled to the tool body; and an environmental compensation system, wherein the environmental compensation system comprises a bladder, and wherein an interior of the bladder is in fluid communication with the annulus.

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