Inventor
PAAP HANS J
26 patents
Patents
26 patentsUS4592423AJun 3, 1986
Hydrocarbon stratum retorting means and method
TEXACO INC322 citations98
US4636731AJan 13, 1987
Propagation anisotropic well logging system and method
TEXACO INC59 citations96
US4539847ASep 10, 1985
Acoustic method and apparatus for measuring thickness of a coating layer on a substrate
TEXACO INC94 citations96
US4365154ADec 21, 1982
Detection of impurities in a fluid containing free gas using nuclear techniques
TEXACO INC30 citations93
US4458524AJul 10, 1984
Crude oil production stream analyzer
TEXACO INC45 citations92
US4352288AOct 5, 1982
Measurement of salt content in petroleum flow lines
TEXACO INC35 citations92
US4301400ANov 17, 1981
Microwave water in crude monitor
TEXACO INC30 citations92
US4228350AOct 14, 1980
Method and apparatus for measuring underground fluid flow characteristics
TEXACO INC51 citations92
US4209695AJun 24, 1980
Detection of impurities in fluid flowing in refinery pipeline or oil production operations using nuclear techniques
TEXACO INC48 citations92
US4289020ASep 15, 1981
Microwave-gamma ray water in crude monitor
TEXACO INC25 citations82
US4282760AAug 11, 1981
Multiphase fluid flow meter (D#76,244)
TEXACO INC22 citations82
US4137452AJan 30, 1979
Method of measuring horizontal fluid flow in cased off subsurface formations with manganese compensation
TEXACO INC28 citations82
US4035640AJul 12, 1977
Behind casing water flow detection using pulsed neutron oxygen activation
TEXACO INC23 citations82
US4032780AJun 28, 1977
Behind casing water flow detection using continuous oxygen activation
TEXACO INC20 citations82
US4169979AOct 2, 1979
Method and apparatus for measuring azimuth and speed of horizontal fluid flow by a borehole
TEXACO INC21 citations81
US4580050AApr 1, 1986
Behind casing water flow detection
TEXACO INC7 citations74
US4524272AJun 18, 1985
Behind casing water flow detector
TEXACO INC8 citations74
US4071757AJan 31, 1978
Detection of behind casing water flow at an angle to the axis of a well borehole
TEXACO INC18 citations74
US4057720ANov 8, 1977
Behind casing fluid flow detection in producing wells using gas lift
TEXACO INC13 citations74
US4032778AJun 28, 1977
Behind casing water volume flow rate measurement using gamma ray spectral degradation
TEXACO INC15 citations74
US4032779AJun 28, 1977
Behind casing water volume flow rate measurement using concentric gamma ray detectors
TEXACO INC12 citations74
US3979300ASep 7, 1976
Three frequency modulated combination thermal neutron lifetime log and porosity
TEXACO INC15 citations74
US4051368ASep 27, 1977
Method of measuring horizontal flow speed of fluids in earth formations penetrated by a wellborehole
TEXACO INC19 citations73
US4802361AFeb 7, 1989
Production stream analyzer
TEXACO INC10 citations69
US3940613AFeb 24, 1976
Three frequency modulated thermal neutron lifetime log
TEXACO INC2 citations63
US4514627AApr 30, 1985
Petroleum stream analyzer
TEXACO INC0 citations38