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. 15, 1998
Filed:
Oct. 10, 1996
Applicant:
Inventor:
Hubert E Halford, Sr, Rosharon, TX (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B / ;
U.S. Cl.
CPC ...
166382 ; 1661176 ; 175 81 ;
Abstract
A whipstock has been invented that has a whipstock body, a concave connected to or formed integrally of the whipstock body, and connection apparatus for releasably connecting the whipstock body to another member. In one aspect the another member is anchor apparatus and the connection apparatus has a shearable member shearable to release the whipstock from the anchor apparatus that initially anchors the whipstock in a wellbore (or in a tubular member).