Roger P. Herbert

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of forming and servicing wellbores from a main wellbore
- Patent number 6,279,658
- Issue date Aug 28, 2001
- Baker Hughes Incorporated
- Joseph F. Donovan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling system with an acoustic measurement-while-driving system f...
- Patent number 6,088,294
- Issue date Jul 11, 2000
- Baker Hughes Incorporated
- James V. Leggett
- E21 - EARTH DRILLING MINING
Information Patent Grant
Electronic stator measurement device
- Patent number 4,653,318
- Issue date Mar 31, 1987
- Smith International, Inc.
- Reese Jadwin
- G01 - MEASURING TESTING