The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 10, 2017

Filed:

Dec. 19, 2012
Applicant:

Baker Hughes Incorporated, Houston, TX (US);

Inventors:

Carl M. Edwards, Katy, TX (US);

Daniel T. Georgi, Houston, TX (US);

Antonius M. Loermans, Dhahran, SA;

Assignee:

BAKER HUGHES INCORPORATED, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 1/40 (2006.01); G01V 3/18 (2006.01); G01V 5/04 (2006.01); G01V 9/00 (2006.01); G01V 7/00 (2006.01);
U.S. Cl.
CPC ...
G01V 7/00 (2013.01);
Abstract

Characterizing a parameter of interest relating to a formation intersected by a borehole. Methods may include estimating the parameter using at least one gravity measurement adjusted to account for a gravity field gradient associated with a change in a frame of reference caused by removal of a reference feature from the borehole. Methods may also include taking at least one prior gravity measurement before removal of the reference feature from the borehole; taking at least one prior gravity measurement after removal of the reference feature from the borehole; estimating the change in the frame of reference based on the prior gravity measurements taken before and after removal of the reference feature; and adjusting the at least one gravity measurement using the estimated change.


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