Patent · US Active

Apparatus and method for estimating orientation of a liner during drilling of a wellbore

US7708067B2 · kind B2 · utility

2Cited by

4References

20Claims

0Family size

Assignee

Baker Hughes Holdings LLC · US

Inventors

Joachim Treviranus · Winsen (Aller), DE
Sven Krueger · Trossingen, DE

Key dates

Filing date	Aug 28, 2008
Grant date	May 4, 2010
Priority date	—
Expiry date	Aug 28, 2028

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B47/09
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

An apparatus for use in a wellbore is disclosed that in one aspect includes a drilling assembly configured for use in drilling the wellbore, a liner disposed outside a portion of the drilling assembly that includes a feature at a selected location of the liner, and a liner orientation sensor for providing signals representative of the displacement or movement of the feature relative to the drilling assembly.

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