SLIDING SIDE-DOOR
Filed: February 20, 1959
HOUSINGS FOR CONTROLLING ADMISSION OF FLUIDS INTO A WELL FLOW PIPE IN A WELL FROM EXTERIORLY THEREOF
Owned by: HALLIBURTON ENERGY SERVICES INC
Serial Number: 72068166
STORM CHOKE
Filed: February 20, 1959
SUBSURFACE SAFETY VALVES FOR AUTOMATICALLY CONTROLLING THE FLOW OF FLUIDS THROUGH PIPES
Owned by: HALLIBURTON ENERGY SERVICES INC
Serial Number: 72068168
MORFLO
Filed: January 18, 1971
SURFACTANT USED IN ACIDS FOR RECOVERING OIL WELL DRILLING MUD
Owned by: HALLIBURTON ENERGY SERVICES INC
Serial Number: 72381246
WOR-CON
Filed: November 17, 1980
Chemical Treatment of an Earthen Formation So as to Reduce Water-Oil Ratios
Owned by: HALLIBURTON ENERGY SERVICES INC
Serial Number: 73286044
RFC
Filed: August 18, 1982
Retrievable Valve for Use in Testing Wells
Owned by: HALLIBURTON ENERGY SERVICES INC
Serial Number: 73380621
WAC-12L
Filed: October 24, 1983
Chemicals for Use as a Fluid Loss Additive which Are Employed to Minimize Fluid Losses in Subterranean Formation Stimulation…
Owned by: HALLIBURTON ENERGY SERVICES INC
Serial Number: 73449630
CAT
Filed: February 22, 1991
nonionic polymer additive for water-based drilling fluids used in drilling oil and gas wells
Owned by: HALLIBURTON ENERGY SERVICES INC
Serial Number: 74141406
SPERRY-SUN SUPERSLIM
Filed: May 28, 1991
providing oil and gas well drilling data services as to surveys, steering, and other measurements while drilling
Owned by: HALLIBURTON ENERGY SERVICES INC
Serial Number: 74170944
MRIL
Filed: March 19, 1990
electrical apparatus; namely, magnetic resonance imaging probes for generating electrical signals, computer hardware, computer…
Owned by: HALLIBURTON ENERGY SERVICES INC
Serial Number: 74800257
