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.
Patent No.:
Date of Patent:
Dec. 06, 2016
Filed:
Oct. 19, 2012
Applicant:
Bp Exploration Operating Company Limited, Middlesex, GB;
Inventors:
Colin James Mason, Addlestone, GB;
Edward James Streeter, Dunsford, GB;
Assignee:
BP EXPLORATION OPERATING COMPANY LIMITED, Middlesex, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 44/00 (2006.01); G01V 1/40 (2006.01); G01V 3/18 (2006.01); E21B 47/00 (2012.01);
U.S. Cl.
CPC ...
E21B 47/0006 (2013.01); E21B 44/00 (2013.01); E21B 47/00 (2013.01);
Abstract
A member is moved within a well bore in a plurality of cycles, each cycle including holding the member in slips, releasing the slips, moving the member within the well bore and applying the slips. The hook load is measured at multiple points during each of these cycles and the plurality of measured values are used to identify data indicative of the forces on the member within the well bore.