Inventor
BALDRIDGE MORRIS G
US11 patents
Patents
11 patentsUS5697442ADec 16, 1997
Apparatus and methods for use in cementing a casing string within a well bore
HALLIBURTON CO173 citations98
US5050673ASep 24, 1991
Lift through plug container for slant rig
HALLIBURTON CO63 citations95
US4995457AFeb 26, 1991
Lift-through head and swivel
HALLIBURTON CO92 citations95
US4624316ANov 25, 1986
Super seal valve with mechanically retained seal
HALLIBURTON CO92 citations95
US5236035AAug 17, 1993
Swivel cementing head with manifold assembly
HALLIBURTON CO119 citations94
US4917184AApr 17, 1990
Cement head and plug
HALLIBURTON CO65 citations93
US5040603AAug 20, 1991
Sequential remote control plug release system
HALLIBURTON CO34 citations92
US4683955AAug 4, 1987
Automatic fill-up floating apparatus
HALLIBURTON CO29 citations91
US5095808AMar 17, 1992
Sequential remote control plug release system
HALLIBURTON CO10 citations73
US4311414AJan 19, 1982
Pile wiper seal
HALLIBURTON CO7 citations73
US4320992AMar 23, 1982
Grout distribution system
HALLIBURTON CO4 citations62