Donald L. Luffel

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method for determining hydrocarbon/water contact level for oil and...
- Patent number 5,621,169
- Issue date Apr 15, 1997
- Restech, Inc.
- Thomas G. Harris
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method for determining reservoir bulk volume of hydrocarbons from r...
- Patent number 4,903,207
- Issue date Feb 20, 1990
- Restech, Inc.
- Robert P. Alger
- E21 - EARTH DRILLING MINING