Inventor
CHIEN SZE-FOO
13 patents
⚠️ This page may combine multiple inventors who share the name “CHIEN SZE-FOO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXACO INC
12 patentsUS4577691AMar 25, 1986
Method and apparatus for producing viscous hydrocarbons from a subterranean formation
TEXACO INC190 citations98
US5421209AJun 6, 1995
Measurement of steam quality and mass flow rate
TEXACO INC34 citations92
US5035146AJul 30, 1991
Method and apparatus for determining steam quality and/or flow rate from impact force and flow restriction data
TEXACO INC22 citations92
US4836032AJun 6, 1989
Method of determining the quality of steam for stimulating hydrocarbon production
TEXACO INC43 citations91
US5182939AFeb 2, 1993
Method for determination of average downhole steam quality by measuring the slip ratio between the vapor and liquid phases of steam
TEXACO INC22 citations88
US5404745AApr 11, 1995
Method and apparatus for determining steam quality from steam velocity measurement
TEXACO INC7 citations73
US5092159AMar 3, 1992
Method and apparatus utilizing a single nozzle for effecting measurment of steam characteristics
TEXACO INC18 citations73
US4849988AJul 18, 1989
Apparatus and method for measuring the quality of steam
TEXACO INC16 citations73
US4126182ANov 21, 1978
Method for decreasing resistance to flow of crude oil up from a well or through a pipeline
TEXACO INC13 citations73
US4100967AJul 18, 1978
System for decreasing resistance to flow of crude oil up from a well or through a pipeline
TEXACO INC13 citations73
US5141055AAug 25, 1992
Method and apparatus for controlling the mass flow rate of steam in steam distribution systems
TEXACO INC17 citations72
US4681466AJul 21, 1987
Method for determining quality of reduced quality steam
TEXACO INC19 citations72