Alexander Raphael Crabtree

Follow

Person

Dewinton, CA

People

Patents Grantslast 30 patents

Information Patent Grant
Partial coil-in-coil tubing
- Patent number 6,712,150
- Issue date Mar 30, 2004
- BJ Services Company
- John G. Misselbrook
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Apparatus and method for dewatering low pressure gradient gas wells
- Publication number 20070187111
- Publication date Aug 16, 2007
- BJ Services Company
- John Gordon Misselbrook
- E21 - EARTH DRILLING MINING
Information Patent Application
Apparatus and method for dewatering low pressure gradient gas wells
- Publication number 20050274527
- Publication date Dec 15, 2005
- John Gordon Misselbrook
- E21 - EARTH DRILLING MINING