David Ayers

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Wellbore formation evaluation system and method
- Patent number 7,568,521
- Issue date Aug 4, 2009
- Schlumberger Technology Corporation
- Jonathan Brown
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore formation evaluation system and method
- Patent number 7,428,925
- Issue date Sep 30, 2008
- Schlumberger Technology Corporation
- Jonathan Brown
- E21 - EARTH DRILLING MINING
Information Patent Grant
Shaped charge perforating device
- Patent number 4,583,602
- Issue date Apr 22, 1986
- Dresser Industries, Inc.
- David B. Ayers
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for perforating subsurface earth formations
- Patent number 4,484,639
- Issue date Nov 27, 1984
- Dresser Industries, Inc.
- David B. Ayers
- F42 - AMMUNITION BLASTING

Patents Applicationslast 30 patents

Information Patent Application
WELLBORE FORMATION EVALUATION SYSTEM AND METHOD
- Publication number 20080041593
- Publication date Feb 21, 2008
- Jonathan Brown
- E21 - EARTH DRILLING MINING
Information Patent Application
Wellbore formation evaluation system and method
- Publication number 20070114021
- Publication date May 24, 2007
- Jonathan Brown
- E21 - EARTH DRILLING MINING