Patent · US Active

Formation evaluation system and method

US8047286B2 · kind B2 · utility

9Cited by
100References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 19, 2008
Grant dateNov 1, 2011
Priority date
Expiry dateDec 19, 2028

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B49/10
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A downhole tool comprising a probe, wherein the probe comprises: a first inlet having an elongated cross-sectional shape, and a second inlet surrounding the first inlet. The downhole tool further comprises at least one pump configured to draw fluid from a subterranean formation through the first and second inlets.

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