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.

Date of Patent:
Jul. 10, 2001

Filed:

Oct. 02, 1999
Applicant:
Inventors:

David Michael Haugen, League City, TX (US);

Gary Duron Ingram, Richmond, TX (US);

Corey Eugene Hoffman, Spring, TX (US);

Robert Stephen Beeman, Bossier City, LA (US);

Assignee:

Weatherford/Lamb, Inc, Houston, TX (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 3/3128 ;
U.S. Cl.
CPC ...
E21B 3/3128 ;
Abstract

A wellbore system with a tubular string extending from an earth surface down into a wellbore in the earth, a packer system with a selectively settable packer element, and a disconnect located between an end of the tubular string and the packer system, the disconnect operable from the surface by imposing a downward force on the tubular string. In one aspect the packer system's packer element is a tension-set packer element. A wellbore disconnect with a top sub, a piston having an upper end secured to the top sub and a portion below the upper end releasably secured with at least one releasable member to a carrier member, the carrier member having apparatus for selectively gripping the piston, the apparatus for selectively gripping the piston also selectively gripping a bottom sub within which the piston is movable, the at least one releasable member releasable in response to a downward force on the disconnect.


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