J. Allan Clark

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South Lake, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Integrated well drilling and evaluation
- Patent number 6,236,620
- Issue date May 22, 2001
- Halliburton Energy Services, Inc.
- Roger L. Schultz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic set packer and testing apparatus
- Patent number 5,152,340
- Issue date Oct 6, 1992
- Halliburton Company
- J. Allan Clark
- E21 - EARTH DRILLING MINING