Inventor
WRAY GARY Q
6 patents
Patents
6 patentsUS4058165ANov 15, 1977
Wellbore circulating valve
HALLIBURTON CO41 citations89
US3964305AJun 22, 1976
Apparatus for testing oil wells
HALLIBURTON CO43 citations89
US3930540AJan 6, 1976
Wellbore circulating valve
HALLIBURTON CO36 citations89
US5507349AApr 16, 1996
Downhole coiled tubing latch
HALLIBURTON CO19 citations87
US4560004ADec 24, 1985
Drill pipe tester - pressure balanced
HALLIBURTON CO15 citations72
US4589485AMay 20, 1986
Downhole tool utilizing well fluid compression
HALLIBURTON CO14 citations71