Donald L Crummett

US Patent:

44443501, Apr 24, 1984

Filed:

May 16, 1983

Appl. No.:

6/494678

Inventors:

Donald L. Crummett - Joshua TX

Assignee:

Halliburton Company - Duncan OK

International Classification:

B23K 2700

US Classification:

228112

Abstract:

A method of making brake rods comprising the steps of welding brake rod jaws to the ends of a solid bar or annular member, securing one end of the brake rod against movement, heating the brake rod and aligning the brake rod jaws on the ends of the brake rod so that the lugs of the brake rod jaws are generally parallel to the lug of a jaw on the other end of the brake rod. Alternately, the brake rod may be heated then have one end secured against movement and the lugs of the brake rod jaws aligned.

US Patent:

46090576, Sep 2, 1986

Filed:

Jun 26, 1985

Appl. No.:

6/749953

Inventors:

Jerry L. Walker - Fort Worth TX
Donald L. Crummett - Joshua TX
William C. Behling - Duncan OK

Assignee:

Jet Research Center, Inc. - Arlington TX
Halliburton Company - Duncan OK

International Classification:

E21B 43117

US Classification:

175 46

Abstract:

A shaped charge carrier for a perforating gun includes a generally cylindrical thin wall carrier tube, a plurality of flat areas formed on the carrier tube, and an opening through each of the flat areas for receiving a shaped charge therein.

US Patent:

46213961, Nov 11, 1986

Filed:

Jun 26, 1985

Appl. No.:

6/749954

Inventors:

Jerry L. Walker - Fort Worth TX
Donald L. Crummett - Joshua TX
William C. Behling - Duncan OK

Assignee:

Jet Research Center, Inc. - Arlington TX
Halliburton Company - Duncan OK

International Classification:

B21D 5154
B23D 2114
E21B 700

US Classification:

29 13

Abstract:

Methods are provided for manufacturing a shaped charge carrier from a generally cylindrical thin wall tube. A plurality of flat areas are formed on the cylindrical tube, and an opening through the tube is associated with each of the flat areas for receiving a shaped charge therein.