1
Gerald C Kierbow, Harvard L Tomlinson, Herbert J Horinek, Stephen F Crain: Controlled additive metering system. Halliburton Company, John H Tregoning, Joseph A Walkowski, Lucian Wayne Beavers, May 5, 1981: US04265266 (127 worldwide citation)

A transportable frame includes a plurality of liquid material storage tanks and dry material storage bins mounted thereon. There are smaller liquid material storage tanks and larger liquid material storage tanks. The metering system for the larger liquid material storage tanks has a flow rate range ...


2
Harvard L Tomlinson, Stephen F Crain: Additive metering control system. Halliburton Company, John H Tregoning, Joseph A Walkowski Jr, E Harrison Gilbert III, October 12, 1982: US04353482 (96 worldwide citation)

An apparatus for controlling the metering of additives which are to be blended with a primary substance includes an element which determines how much additive is being discharged from an additive storage container. This element includes a weight detecting device which detects a first portion of the ...


3
Paul O Padgett, Stephen F Crain, Wayne A Handke, Jerry L Logan, Calvin L Stegemoeller, Ricky L Covington, David W Ritter, Kevin D Edgley: Continuous multi-component slurrying process at oil or gas well. Halliburton company, Craig W Roddy, E Harrison Gilbert III, November 5, 1996: US05570743 (84 worldwide citation)

A continuous multi-component slurrying process at an oil or gas well comprises flowing at least three separate streams of different essential materials directly into a predetermined mixing unit at the oil or gas well, wherein each of the essential materials is required to obtain a predetermined defi ...


4
Leslie R Sears III, Alan J Pitts, Stephen F Crain, Edward L Woodall, Michael L Green, Don M Roberts, Eugene J Daunis, Mark A Clark: Local area network data transfer system. Halliburton Company, James R Duzan, E Harrison Gilbert III, June 14, 1988: US04751648 (73 worldwide citation)

A data monitoring system includes a display unit for communicating with an operation that has characteristics which are to be monitored, a recording unit located remotely from the environment of the monitored operation, and a local area network interconnect circuit for connecting the display and rec ...


5
Stephen F Crain, Steven H Gray, Michael L Green, Ronald A Gibson: Apparatus and method for mixing a plurality of substances. Halliburton Company, E Harrison Gilbert III, Joseph A Walkowski, Thomas R Weaver, August 27, 1985: US04538222 (49 worldwide citation)

A self-contained portable unit for producing a mixture of substances in response to two separate flows includes a portable trailer upon which a holding tank is mounted. Various additive channels are maintained on the trailer for introducing additives, at selectable concentrations or rates, into a fi ...


6
Wayne A Handke, Stephen F Crain, Paul O Padgett, Calvin L Stegemoeller, Vincent P Rivera, Charles E Neal: Control method for a multi-component slurrying process. Halliburton Company, Stephen R Christian, E Harrison Gilbert III, September 26, 1995: US05452954 (48 worldwide citation)

A method of controlling a continuous multi-component slurrying process at an oil or gas well comprises continuously flowing substances for creating a slurry in response to a slurry flow rate factor and continuously flowing another substance for the slurry in response to a flow rate of at least a pre ...


7
Stephen F Crain, Steven H Gray, Edward P Arnold, Timothy J Dodd: Apparatus and method for mixing a plurality of substances. Halliburton Company, E Harrison Gilbert III, Joseph A Walkowski, Thomas R Weaver, August 27, 1985: US04538221 (45 worldwide citation)

A portable apparatus for controlling the production of a mixture of a fluid and a plurality of additives utilizes a unified control panel having all of the necessary controls compactly contained in a single housing for providing both automatic and manual control of each of the additive channels thro ...


8
Leslie R Sears III, Stephen F Crain, Don M Roberts: Data acquisition module and method. Halliburton Company, James R Duzan, E Harrison Gilbert III, May 24, 1988: US04747060 (32 worldwide citation)

A data acquisition apparatus includes two microcomputers interconnected by a shared dual access digital storage device. One microcomputer obtains the data related to the monitored condition, stores it in the digital storage device, and modifies a status word which is monitored by the other microcomp ...


9
Stephen F Crain, Mark A Clark, Edward L Woodall: Process control system using remote computer and local site control computers for mixing a proppant with a fluid. Halliburton Company, Joseph A Walkowski, E Harrison Gilbert III, April 10, 1990: US04916631 (22 worldwide citation)

A process control system for mixing a proppant with a fluid includes a remote control computer located remotely from where the process is to be performed, and a monitor computer and a local control computer both located where the process is to be performed. An LAN cable connects the remote control c ...


10
Stephen F Crain, Mark A Clark, Edward L Woodall: Using a remote control computer connected to a vocal control computer and a monitor computer. Halliburton Company, James R Duzan, E Harrison Gilbert III, May 7, 1991: US05014218 (20 worldwide citation)

A process control system includes a remote control computer connected by two pairs of electrical conductors to a local control computer and a monitor computer. The remote control computer provides a set point from entered control information, the monitor computer provides real time information about ...