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:
Jul. 31, 2018
Filed:
Sep. 09, 2016
Applicant:
Halliburton Energy Services, Inc, Houston, TX (US);
Inventors:
Ankit Purohit, Pune, IN;
Anand Bhagwat Kedare, Pune, IN;
Bhargav Gajji, Pune, IN;
Sanjay Sawant, Pune, IN;
Assignee:
HALLIBURTON ENERGY SERVICES, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 23/14 (2006.01); E21B 34/10 (2006.01); E21B 7/20 (2006.01); E21B 17/02 (2006.01); E21B 21/10 (2006.01); E21B 23/00 (2006.01); E21B 23/04 (2006.01); E21B 10/64 (2006.01);
U.S. Cl.
CPC ...
E21B 23/14 (2013.01); E21B 7/20 (2013.01); E21B 10/64 (2013.01); E21B 17/02 (2013.01); E21B 21/10 (2013.01); E21B 23/00 (2013.01); E21B 23/04 (2013.01); E21B 34/10 (2013.01);
Abstract
A bottom hole assembly for a casing-while-drilling operation utilizes a tethered float valve to retrieve the bottom hole assembly after the casing string has been positioned at a desired wellbore depth.