Inventor
CRAIN STEPHEN F
US12 patents
Patents
12 patentsUS5570743ANov 5, 1996
Continuous multi-component slurrying process at oil or gas well
HALLIBURTON CO171 citations98
US5452954ASep 26, 1995
Control method for a multi-component slurrying process
HALLIBURTON CO140 citations96
US4265266AMay 5, 1981
Controlled additive metering system
HALLIBURTON CO284 citations96
US4916631AApr 10, 1990
Process control system using remote computer and local site control computers for mixing a proppant with a fluid
HALLIBURTON CO82 citations95
US4538222AAug 27, 1985
Apparatus and method for mixing a plurality of substances
HALLIBURTON CO103 citations95
US4751648AJun 14, 1988
Local area network data transfer system
HALLIBURTON CO104 citations94
US4538221AAug 27, 1985
Apparatus and method for mixing a plurality of substances
HALLIBURTON CO95 citations93
US4353482AOct 12, 1982
Additive metering control system
HALLIBURTON CO144 citations93
US5522459AJun 4, 1996
Continuous multi-component slurrying process at oil or gas well
HALLIBURTON CO36 citations92
US5014218AMay 7, 1991
Using a remote control computer connected to a vocal control computer and a monitor computer
HALLIBURTON CO37 citations91
US4953097AAug 28, 1990
Process control system using remote computer and local site control computers for mixing a proppant with a fluid
HALLIBURTON CO38 citations91
US4747060AMay 24, 1988
Data acquisition module and method
HALLIBURTON CO39 citations89