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:
Jan. 12, 2010
Filed:
Jul. 02, 2007
Applicant:
Danny Lee Artherholt, Asher, OK (US);
Inventor:
Danny Lee Artherholt, Asher, OK (US);
Assignee:
Stinger Wellhand Protection, Inc., Oklahoma City, OK (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B 33/10 (2006.01); E21B 47/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A fixed-point packoff element for a full-bore pressure isolation tool supports a primary seal and a test seal to permit the primary seal to be tested by injecting test fluid through a side port of a tubing head spool before the pressure isolation tool is rigged up for a well stimulation procedure.