Lee L. Shafer

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Big Piney, WY, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for stimulation of multiple formation intervals
- Patent number 7,059,407
- Issue date Jun 13, 2006
- Exxonmobil Upstream Research Company
- Randy C. Tolman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for stimulation of multiple formation intervals
- Patent number 6,957,701
- Issue date Oct 25, 2005
- ExxonMobile Upstream Research Company
- Randy C. Tolman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for stimulation of multiple formation intervals
- Patent number 6,520,255
- Issue date Feb 18, 2003
- Exxonmobil Upstream Research Company
- Randy C. Tolman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for stimulation of multiple formation intervals
- Patent number 6,394,184
- Issue date May 28, 2002
- Exxonmobil Upstream Research Company
- Randy C. Tolman
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for stimulation of multiple formation intervals
- Publication number 20050178551
- Publication date Aug 18, 2005
- Randy C. Tolman
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for stimulation of multiple formation intervals
- Publication number 20030051876
- Publication date Mar 20, 2003
- Randy C. Tolman
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for stimulation of multiple formation intervals
- Publication number 20020092650
- Publication date Jul 18, 2002
- Randy C. Tolman
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for stimulation of multiple formation intervals
- Publication number 20010050172
- Publication date Dec 13, 2001
- Randy C. Tolman
- E21 - EARTH DRILLING MINING