Patent · US Expired

Formation testing apparatus and method

US7155967B2 · kind B2 · utility

5Cited by
20References
22Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 9, 2002
Grant dateJan 2, 2007
Priority date
Expiry dateJul 9, 2022

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B49/02
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

A method and apparatus for testing formations surrounding an earth borehole. The method includes the following steps: providing a tool movable through the borehole; providing a flow line in the tool; establishing fluid communication between the formations and the flow line of the tool; and providing a sand trap in communication with the flow line of the tool for trapping sand flowing with fluid from the formations.

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