Inventor
SCHWEITZER JEFFREY S
US12 patents
⚠️ This page may combine multiple inventors who share the name “SCHWEITZER JEFFREY S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SCHLUMBERGER TECHNOLOGY CORP
10 patentsUS4883956ANov 28, 1989
Methods and apparatus for gamma-ray spectroscopy and like measurements
SCHLUMBERGER TECHNOLOGY CORP128 citations95
US4810876AMar 7, 1989
Logging apparatus and method for determining absolute elemental concentrations of subsurface formations
SCHLUMBERGER TECHNOLOGY CORP63 citations95
US5961714AOct 5, 1999
Method of growing lutetium aluminum perovskite crystals and apparatus including lutetium aluminum perovskite crystal scintillators
SCHLUMBERGER TECHNOLOGY CORP21 citations92
US5543617AAug 6, 1996
Method of measuring flow velocities using tracer techniques
SCHLUMBERGER TECHNOLOGY CORP36 citations92
US5122662AJun 16, 1992
Circular induction accelerator for borehole logging
SCHLUMBERGER TECHNOLOGY CORP88 citations92
US4085798AApr 25, 1978
Method for investigating the front profile during flooding of formations
SCHLUMBERGER TECHNOLOGY CORP36 citations92
US5660627AAug 26, 1997
Method of growing lutetium oxyorthosilicate crystals
SCHLUMBERGER TECHNOLOGY CORP48 citations89
US4914944AApr 10, 1990
Situ determination of hydrocarbon characteristics including oil api gravity
SCHLUMBERGER TECHNOLOGY CORP10 citations73
US4404467ASep 13, 1983
Salinity and lithology determination from the sodium and chlorine activation lines
SCHLUMBERGER TECHNOLOGY CORP18 citations73
US4208580AJun 17, 1980
Lithology determination from the calcium and magnesium activation lines
SCHLUMBERGER TECHNOLOGY CORP9 citations73