Michael E. McMahan

Person

Duncan, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Above packer perforate test and sample tool and method of use
- Patent number 4,915,171
- Issue date Apr 10, 1990
- Halliburton Company
- Michael E. McMahan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Perforating gun firing tool and method of operation
- Patent number 4,804,044
- Issue date Feb 14, 1989
- Halliburton Services
- David S. Wesson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydrostatic referenced safety-circulating valve
- Patent number 4,691,779
- Issue date Sep 8, 1987
- Halliburton Company
- Michael E. McMahan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Recloseable auxiliary valve
- Patent number 4,458,762
- Issue date Jul 10, 1984
- Halliburton Company
- Michael E. McMahan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Circulation valve
- Patent number 4,452,313
- Issue date Jun 5, 1984
- Halliburton Company
- Michael E. McMahan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill pipe tester and safety valve
- Patent number 4,421,172
- Issue date Dec 20, 1983
- Halliburton Company
- Michael E. McMahan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill pipe tester and safety valve
- Patent number 4,420,045
- Issue date Dec 13, 1983
- Halliburton Company
- Michael E. McMahan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill pipe tester valve
- Patent number 4,319,634
- Issue date Mar 16, 1982
- Halliburton Services
- Michael E. McMahan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill pipe tester and safety valve
- Patent number 4,319,633
- Issue date Mar 16, 1982
- Halliburton Services
- Michael E. McMahan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill pipe tester with automatic fill-up
- Patent number 4,295,361
- Issue date Oct 20, 1981
- Halliburton Company
- Michael E. McMahan
- E21 - EARTH DRILLING MINING

Michael E. McMahan

Person

Patents Grantslast 30 patents

Above packer perforate test and sample tool and method of use

Perforating gun firing tool and method of operation

Hydrostatic referenced safety-circulating valve

Recloseable auxiliary valve

Circulation valve

Drill pipe tester and safety valve

Drill pipe tester and safety valve

Drill pipe tester valve

Drill pipe tester and safety valve

Drill pipe tester with automatic fill-up