Inventor
NELLIGAN WILLIAM B
US7 patents
Patents
7 patentsUS4012712AMar 15, 1977
System for telemetering well logging data
SCHLUMBERGER TECHNOLOGY CORP50 citations91
US4507554AMar 26, 1985
Method and apparatus for determining borehole and formation constituents
SCHLUMBERGER TECHNOLOGY CORP34 citations90
US4317993AMar 2, 1982
Methods and apparatus for constituent analysis of earth formations
SCHLUMBERGER TECHNOLOGY CORP57 citations90
US4972082ANov 20, 1990
Methods and apparatus for epithermal neutron logging
SCHLUMBERGER TECHNOLOGY CORP54 citations88
US4973839ANov 27, 1990
Method and apparatus for epithermal neutron decay logging
SCHLUMBERGER TECHNOLOGY CORP10 citations72
US4068180AJan 10, 1978
Methods and apparatus for enhancing resolution in pulse analysis
SCHLUMBERGER TECHNOLOGY CORP9 citations72
US3971935AJul 27, 1976
Two detector pulsed neutron porosity and water salinity apparatus and methods
SCHLUMBERGER TECHNOLOGY CORP15 citations72