Inventor
BARRINGTON BURCHUS Q
US39 patents
⚠️ This page may combine multiple inventors who share the name “BARRINGTON BURCHUS Q”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON CO
36 patentsUS5209303AMay 11, 1993
Compressible liquid mechanism for downhole tool
HALLIBURTON CO59 citations96
US5138313AAug 11, 1992
Electrically insulative gap sub assembly for tubular goods
HALLIBURTON CO115 citations96
US5133419AJul 28, 1992
Hydraulic shock absorber with nitrogen stabilizer
HALLIBURTON CO80 citations96
US4448254AMay 15, 1984
Tester valve with silicone liquid spring
HALLIBURTON CO61 citations96
US4347900ASep 7, 1982
Hydraulic connector apparatus and method
HALLIBURTON CO99 citations96
US4116272ASep 26, 1978
Subsea test tree for oil wells
HALLIBURTON CO62 citations96
US4064937ADec 27, 1977
Annulus pressure operated closure valve with reverse circulation valve
HALLIBURTON CO103 citations96
US3964544AJun 22, 1976
Pressure operated isolation valve for use in a well testing and treating apparatus, and its method of operation
HALLIBURTON CO61 citations96
US4673890AJun 16, 1987
Well bore measurement tool
HALLIBURTON CO69 citations94
US4375239AMar 1, 1983
Acoustic subsea test tree and method
HALLIBURTON CO114 citations94
US5297629AMar 29, 1994
Drill stem testing with tubing conveyed perforation
HALLIBURTON CO31 citations93
US5083623AJan 28, 1992
Hydraulic shock absorber
HALLIBURTON CO49 citations93
US4928520AMay 29, 1990
Plug release indicator
HALLIBURTON CO44 citations93
US4444268AApr 24, 1984
Tester valve with silicone liquid spring
HALLIBURTON CO44 citations93
US4378850AApr 5, 1983
Hydraulic fluid supply apparatus and method for a downhole tool
HALLIBURTON CO51 citations93
US4374583AFeb 22, 1983
Sleeve valve
HALLIBURTON CO52 citations93
US4270610AJun 2, 1981
Annulus pressure operated closure valve with improved power mandrel
HALLIBURTON CO44 citations93
US4109724AAug 29, 1978
Oil well testing valve with liquid spring
HALLIBURTON CO41 citations93
US4083409AApr 11, 1978
Full flow bypass valve
HALLIBURTON CO37 citations93
US4646829AMar 3, 1987
Hydraulically set and released bridge plug
HALLIBURTON CO62 citations92
US4076077AFeb 28, 1978
Weight and pressure operated well testing apparatus and its method of operation
HALLIBURTON CO42 citations91
US4047564ASep 13, 1977
Weight and pressure operated well testing apparatus and its method of operation
HALLIBURTON CO45 citations91
US3969937AJul 20, 1976
Method and apparatus for testing wells
HALLIBURTON CO44 citations90
US4624317ANov 25, 1986
Well tool with improved valve support structure
HALLIBURTON CO21 citations82
US4060140ANov 29, 1977
Method and apparatus for preventing debris build-up in underwater oil wells
HALLIBURTON CO22 citations82
US4113018ASep 12, 1978
Oil well testing safety valve
HALLIBURTON CO21 citations80
US4059153ANov 22, 1977
Weight and pressure operated well testing apparatus and its method of operation
HALLIBURTON CO20 citations80
US4372392AFeb 8, 1983
Full opening emergency relief and safety valve
HALLIBURTON CO23 citations78
US5337826AAug 16, 1994
Tester valve
HALLIBURTON CO10 citations74
US5228516AJul 20, 1993
Tester valve
HALLIBURTON CO6 citations74
US4669539AJun 2, 1987
Lock for downhole apparatus
HALLIBURTON CO16 citations74
US4582140AApr 15, 1986
Well tool with selective bypass functions
HALLIBURTON CO15 citations74
US4579174AApr 1, 1986
Well tool with hydraulic time delay
HALLIBURTON CO12 citations74
US4522266AJun 11, 1985
Downhole tester valve with resilient seals
HALLIBURTON CO15 citations74
US3981188ASep 21, 1976
Method and apparatus for testing wells
HALLIBURTON CO12 citations71
US4372391AFeb 8, 1983
Screw operated emergency relief and safety valve
HALLIBURTON CO15 citations70