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:
Sep. 30, 2014
Filed:
Jul. 20, 2011
Applicant:
Thomas M. Mills, Katy, TX (US);
Inventor:
Thomas M. Mills, Katy, TX (US);
Assignee:
Lufkin Industries, Inc., Lufkin, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 47/10 (2012.01); G01F 3/14 (2006.01); G06F 19/00 (2011.01); G06F 17/40 (2006.01); E21B 47/00 (2012.01);
U.S. Cl.
CPC ...
E21B 47/0008 (2013.01); E21B 47/10 (2013.01); G06F 19/00 (2013.01); G06F 17/40 (2013.01); G01F 3/14 (2013.01);
Abstract
Methods for measuring the leakage rate of a downhole pump using either measured axial load information from the drive rod string or using measured production data. The invention is for methods of applying the leakage rate to a downhole dynamometer card, for a reciprocating rod pump, for determining well production.