Burt A Adams

US Patent:

6349764, Feb 26, 2002

Filed:

Jun 2, 2000

Appl. No.:

09/586232

Inventors:

Burt A. Adams - Berwick LA
William C. Shafer - Berwick LA
Norman A. Henry - Mandeville LA

Assignee:

Oil Gas Rental Services, Inc. - Amelia LA

International Classification:

E21B 1906

US Classification:

166 7753, 166368, 166380, 166382, 166721, 166 851, 175203

Abstract:

A drill pipe for oil and gas drilling rigs, the drill pipe having an enlarged diameter section positioned between the ends of the drill pipe. The enlarged diameter section of drill pipe has a shoulder which corresponds with and is engaged by a shoulder located on wedge members of a holder in a drilling rig for supporting the drill pipe without crushing or otherwise damaging the drill pipe.

US Patent:

6364012, Apr 2, 2002

Filed:

Jun 2, 2000

Appl. No.:

09/586233

Inventors:

Burt A. Adams - Berwick LA
William C. Shafer - Berwick LA
Norman A. Henry - Mandeville LA

Assignee:

Oil Gas Rental Services, Inc. - Amelia LA

International Classification:

E21B 1906

US Classification:

166 7753, 166368, 166380, 166382, 166 771, 166 851, 175203

Abstract:

A drill pipe handling apparatus for oil and gas drilling rigs, the drill pipe having an enlarged diameter section positioned between the ends of the drill pipe. The enlarged diameter section of drill pipe has a shoulder which corresponds with and is engaged by a shoulder located on wedge members of lower and upper holders on a drilling rig for supporting the drill pipe without damaging it during and after addition or removal of joints of drill pipe.

US Patent:

6378614, Apr 30, 2002

Filed:

Jun 2, 2000

Appl. No.:

09/586239

Inventors:

Burt A. Adams - Berwick LA
William C. Shafer - Berwick LA
Norman A. Henry - Mandeville LA

Assignee:

Oil Gas Rental Services, Inc. - Amelia LA

International Classification:

E21B 1906

US Classification:

166382, 166 771, 166 7753, 166 851, 166368, 166380, 175203

Abstract:

A 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.

US Patent:

6644413, Nov 11, 2003

Filed:

Jan 23, 2002

Appl. No.:

10/055005

Inventors:

Burt A. Adams - Berwick LA
William C. Shafer - Berwick LA
Norman A. Henry - Mandeville LA

Assignee:

Oil Gas Rental Services, Inc. - Amelia LA

International Classification:

E21B 1906

US Classification:

166382, 166 771, 166 7753, 166 851, 166368, 166380, 175203

Abstract:

A 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 are rotatable with respect to each other.

US Patent:

7025147, Apr 11, 2006

Filed:

Aug 13, 2003

Appl. No.:

10/640496

Inventors:

Burt A. Adams - Berwick LA, US
William C. Schafer - Berwick LA, US
Norman A. Henry - Mandeville LA, US

Assignee:

Oil & Gas Rental Services, Inc. - New Orleans LA

International Classification:

E21B 19/06
E21B 19/18
E21B 33/035
E21B 19/07
E21B 19/16

US Classification:

166382, 166 771, 166 7753, 166 851, 166368, 166380, 175203

Abstract:

An apparatus for, and method of, lowering items from a drilling rig to a well located below it. One embodiment includes the use of a landing string comprised of drill pipe having an enlarged diameter section with a shoulder along with upper and lower holders having wedge members also with shoulders that engage and support the drill pipe at the shoulder of the enlarged diameter section. In this embodiment the drill pipe and wedge members can be rotatable with respect to each other.

US Patent:

7287598, Oct 30, 2007

Filed:

Apr 10, 2006

Appl. No.:

11/402302

Inventors:

Burt A. Adams - Berwick LA, US
Norman A. Henry - Mandeville LA, US

Assignee:

Allis-Chalmers Energy, Inc. - Houston TX

International Classification:

E21B 19/18

US Classification:

166382, 166 7752

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.

US Patent:

7886827, Feb 15, 2011

Filed:

Oct 30, 2007

Appl. No.:

11/927847

Inventors:

Burt A. Adams - Berwick LA, US
Norman A. Henry - Mandeville LA, US

Assignee:

Allis-Chalmers Rental Services, LLC - Houston TX

International Classification:

E21B 19/18
E21B 29/12

US Classification:

166338, 166348, 166382, 166381, 166 7753, 175203

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.

US Patent:

8381818, Feb 26, 2013

Filed:

Feb 14, 2011

Appl. No.:

13/026795

Inventors:

Burt A. Adams - Berwick LA, US
Norman A. Henry - Mandeville LA, US

Assignee:

Archer Rental Services, LLC - Houston TX

International Classification:

E21B 19/18
E21B 29/12

US Classification:

166338, 166348, 166382, 166381, 166 7753, 175203

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.