Inventor

ORBAN ANDRE E

US5 patents

Patents

5 patents

US5574371ANov 12, 1996

Method and apparatus for measuring mud resistivity in a wellbore including a probe having a bottom electrode for propagating a current from and to the bottom electrode in a direction approximately parallel to a longitudinal axis of the probe

SCHLUMBERGER TECHNOLOGY CORP64 citations95

US5905379AMay 18, 1999

Method for induction logging while using a logging sonde having a folded array

SCHLUMBERGER TECHNOLOGY CORP45 citations94

US4754641AJul 5, 1988

Method and apparatus for measurement of fluid flow in a drilling rig return line

SCHLUMBERGER TECHNOLOGY CORP55 citations91

US6671057B2Dec 30, 2003

Gravity and differential gravity sensor, and system and method for monitoring reservoirs using same

SCHLUMBERGER TECHNOLOGY CORP32 citations90

US5668475ASep 16, 1997

Induction logging sonde including a folded array apparatus having a plurality of receiver cowound coils and bucking coils

SCHLUMBERGER TECHNOLOGY CORP46 citations89