Inventor

SEEMAN BRONISLAW

FR14 patents

Patents

14 patents

US5642051AJun 24, 1997

Method and apparatus for surveying and monitoring a reservoir penetrated by a well including fixing electrodes hydraulically isolated within a well

SCHLUMBERGER TECHNOLOGY CORP113 citations94

US5396175AMar 7, 1995

Method and apparatus for evaluating formation resistivity using focused annular and azimuthal electrodes

SCHLUMBERGER TECHNOLOGY CORP41 citations92

US5067090ANov 19, 1991

Nuclear spectroscopy method and apparatus for digital pulse height analysis

SCHLUMBERGER TECHNOLOGY CORP44 citations92

US4885723ADec 5, 1989

Acoustic apparatus and method for detecting borehole wall discontinuities such as vertical fractures

SCHLUMBERGER TECHNOLOGY CORP35 citations92

US4649822AMar 17, 1987

Method and apparatus for deactivating a partially flooded perforating gun assembly

SCHLUMBERGER TECHNOLOGY CORP33 citations92

US4433240AFeb 21, 1984

Method and apparatus for measuring gamma rays in a borehole

SCHLUMBERGER TECHNOLOGY CORP46 citations92

US5596142AJan 21, 1997

Well logging apparatus comprising a measuring pad and a combinaton device including such apparatus

SCHLUMBERGER TECHNOLOGY CORP28 citations91

US5528556AJun 18, 1996

Combination well logging device

SCHLUMBERGER TECHNOLOGY CORP22 citations90

US4827457AMay 2, 1989

Method and apparatus for acoustically measuring the transverse dimensions of a borehole

SCHLUMBERGER TECHNOLOGY CORP26 citations86

US4661933AApr 28, 1987

Method and apparatus for acoustically measuring the transverse dimensions of a borehole

SCHLUMBERGER TECHNOLOGY CORP32 citations86

US5399971AMar 21, 1995

Method and apparatus for evaluating formation resistivity using focused annular and azimuthal electrodes

SCHLUMBERGER TECHNOLOGY CORP14 citations73

US5053620AOct 1, 1991

Logging apparatus and method for determining concentrations of subsurface formation elements

SCHLUMBERGER TECHNOLOGY CORP15 citations73

US4367541AJan 4, 1983

Apparatus and method for determining velocity of acoustic waves in earth formations

SCHLUMBERGER TECHNOLOGY CORP13 citations73

US4607352AAug 19, 1986

Method and apparatus for obtaining a display of a characteristic of the periphery of a well

SCHLUMBERGER TECHNOLOGY CORP10 citations66