Alexander Raphael Crabtree

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Conroe, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Acid tunneling bottom hole assembly and method utilizing reversible...
- Patent number 8,205,672
- Issue date Jun 26, 2012
- Baker Hughes Incorporated
- John Gordon Misselbrook
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods for allowing multiple fractures to be formed in a subterran...
- Patent number 7,870,902
- Issue date Jan 18, 2011
- Baker Hughes Incorporated
- John G. Misselbrook
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
METHODS FOR ALLOWING MULTIPLE FRACTURES TO BE FORMED IN A SUBTERRAN...
- Publication number 20090229821
- Publication date Sep 17, 2009
- BJ Services Company
- John G. Misselbrook
- E21 - EARTH DRILLING MINING
Information Patent Application
ACID TUNNELING BOTTOM HOLE ASSEMBLY AND METHOD UTILIZING REVERSIBLE...
- Publication number 20090114449
- Publication date May 7, 2009
- BJ Services Company
- John Gordon Misselbrook
- E21 - EARTH DRILLING MINING
Information Patent Application
Acid tunneling bottom hole assembly
- Publication number 20080271925
- Publication date Nov 6, 2008
- BJ Services Company
- John Gordon Misselbrook
- E21 - EARTH DRILLING MINING