Inventor
SLOAN W ROBERT
US4 patents
Patents
4 patentsUS6307199B1Oct 23, 2001
Compensation of errors in logging-while-drilling density measurements
SCHLUMBERGER TECHNOLOGY CORP111 citations96
US6648083B2Nov 18, 2003
Method and apparatus for measuring mud and formation properties downhole
SCHLUMBERGER TECHNOLOGY CORP66 citations95
US6891777B2May 10, 2005
Subsurface borehole evaluation and downhole tool position determination methods
SCHLUMBERGER TECHNOLOGY CORP25 citations90
US5635711AJun 3, 1997
Apparatus and method for the suppression of microphonic noise in proportional counters for borehole logging-while-drilling
SCHLUMBERGER TECHNOLOGY CORP9 citations72