Patent · US Active

Downhole washout detection system and method

US7694558B2 · kind B2 · utility

3Cited by
12References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 11, 2008
Grant dateApr 13, 2010
Priority date
Expiry dateFeb 19, 2028

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B21/08
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Disclosed herein is a method of detecting a downhole washout. The method includes, positioning a plurality of sensors along a downhole drillstring, communicatively coupling the plurality of sensors to a processor, and analyzing data sensed by the plurality of sensors with the processor for relationships indicative of a washout.

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