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:
Oct. 18, 2016
Filed:
May. 05, 2015
Applicants:
Brian Williams, Purvis, MS (US);
Gregory Lafleur, Sulphur, LA (US);
Inventors:
Brian Williams, Purvis, MS (US);
Gregory LaFleur, Sulphur, LA (US);
Assignee:
BACKOFF, LLC, Sulphur, LA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 47/00 (2012.01); E21B 33/064 (2006.01);
U.S. Cl.
CPC ...
E21B 47/00 (2013.01); E21B 33/064 (2013.01);
Abstract
A blowout-preventer-stack one-trip test tool and method providing a solid test pin for sealing the test plug in the wellhead, a running tool for securely placing, separating from, reattaching, and removing the solid test pin, testing all fixed and variable rams and annulars and testing all blind and shear rams without damage to pipe, in one trip, and a fail-safe secondary provision for removing the solid test plug on a second trip with an emergency retrieval tool if necessary.