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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.:

US 8893800 B1

PDFFull Text
Expired
Date of Patent:
Nov. 25, 2014

Filed:

Feb. 26, 2013

Apparatus for, and method of, landing items at a well location

Applicant:

Irongate Rental Services, Llc, Houston, TX (US);

Inventors:

Burt A. Adams, Berwick, LA (US);

Norman A. Henry, Mandeville, LA (US);

Assignee:

Archer Rental Services, LLC, Houston, TX (US);

Attorneys:

Garvey, Smith, Nehrbass & North, L.L.C.

Brett A. North

Primary Examiner:

James Sayre

Int. Cl.
CPC ...
E21B 19/00 (2006.01); E21B 19/07 (2006.01); E21B 19/16 (2006.01); E21B 33/035 (2006.01); E21B 33/043 (2006.01); E21B 19/06 (2006.01); E21B 19/10 (2006.01);
U.S. Cl.
CPC ...
E21B 19/002 (2013.01); E21B 19/07 (2013.01); E21B 19/16 (2013.01); E21B 33/035 (2013.01); E21B 33/043 (2013.01); E21B 19/06 (2013.01); E21B 19/10 (2013.01);
Abstract

An apparatus for, and method of, lowering items from a drilling rig to a well located below it through the use of a landing string comprised of drill pipe having an enlarged diameter section with a shoulder, in combination with upper and lower holders having wedge members with shoulders that engage and support the drill pipe at the shoulder of the enlarged diameter section, the shoulder of the drill pipe and the shoulders of the wedge members being rotatable with respect to each other.

Find Patent Forward Citations

Quick Actions:

Adams, Burt. (2014). Apparatus for, and method of, landing items at a well location (U.S. Patent No. 8893800). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8893800

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