W. R. Sloan

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Missouri City, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Subsurface borehole evaluation and downhole tool position determina...
- Patent number 6,891,777
- Issue date May 10, 2005
- Schlumberger Technology Corporation
- Miguel F. Pabon
- G01 - MEASURING TESTING
Information Patent Grant
Method and apparatus for measuring mud and formation properties dow...
- Patent number 6,648,083
- Issue date Nov 18, 2003
- Schlumberger Technology Corporation
- Michael Evans
- E21 - EARTH DRILLING MINING
Information Patent Grant
Compensation of errors in logging-while-drilling density measurements
- Patent number 6,307,199
- Issue date Oct 23, 2001
- Schlumberger Technology Corporation
- John E. Edwards
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for the suppression of microphonic noise in pr...
- Patent number 5,635,711
- Issue date Jun 3, 1997
- Schlumberger Technology Corporation
- W. Robert Sloan
- G01 - MEASURING TESTING
Information Patent Grant
Nuclear spectroscopy signal stabilization and calibration method an...
- Patent number 5,023,449
- Issue date Jun 11, 1991
- Schlumberger Technology Corporation
- Jacques M. Holenka
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Subsurface borehole evaluation and downhole tool position determina...
- Publication number 20030235114
- Publication date Dec 25, 2003
- Miguel F. Pabon
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for measuring mud and formation properties dow...
- Publication number 20020096363
- Publication date Jul 25, 2002
- Michael Evans
- E21 - EARTH DRILLING MINING