1
John M Tinsley, Larry T Watters: Lightweight cement and method of cementing therewith. Halliburton Company, John H Tregoning, Robert S Nisbett, William R Laney, November 18, 1980: US04234344 (146 worldwide citation)

A low-density, high-strength cement composition useful in a high temperature environment, such as in thermal wells, which includes hydraulic cement, a siliceous material and a relatively low-density inorganic material.


2
Buddy W Anderson, Bobby K Bowles, Joseph R Murphey, Kenneth D Totty, Bill M Young: Methods of consolidating incompetent subterranean formations using aqueous treating solutions. Halliburton Company, Robert S Nisbett, C Clark Dougherty Jr, John H Tregoning, August 16, 1977: US04042032 (136 worldwide citation)

Methods of consolidating incompetent subterranean formations are provided whereby aqueous treating solutions are utilized to condition the formation, to carry a hardenable organic consolidating fluid into the formation and/or to carry particulated solids coated with a hardenable organic consolidatin ...


3
Eugene E Baker: Multiple stage cementing tool with inflation packer and methods of use. Halliburton Company, John H Tregoning, April 6, 1976: US03948322 (130 worldwide citation)

A cementing tool for providing multiple stage cementing of an oil well including a cylindrical outer case, a longitudinally sliding sleeve valve located therein, an inflatable packer assembly disposed about the outer case with annular check valve means interposed between the interior of the inflatab ...


4
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 ...


5
Eugene E Baker: Gravel pack liner assembly and selective opening sleeve positioner assembly for use therewith. Halliburton Company, John H Tregoning, James R Duzan, August 8, 1978: US04105069 (112 worldwide citation)

An improved liner assembly for open hole, multi-zone gravel pack completions employing full opening gravel and cementing collars and full opening inflatable packers. The valve mechanism of each full opening collar and full opening packer comprises an inner valve sleeve operated solely by vertical re ...


6
Ronald E Savage: Setting tool. Halliburton Company, John H Tregoning, James R Duzan, Lucian Wayne Beavers, March 3, 1981: US04253521 (110 worldwide citation)

The present invention provides a setting tool having a tubular sleeve assembly. An upper mandrel is disposed within said sleeve assembly and interconnected therewith by a rotational screw jack means. A lower mandrel is connected to the upper mandrel by a load transfer device for governing a maximum ...


7
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 ...


8
Robert T Evans, David L Farley: Reclosable circulation valve for use in oil well testing. Halliburton Company, Floyd A Gonzalez, John H Tregoning, September 12, 1978: US04113012 (95 worldwide citation)

Disclosed is a circulation valve for use in the testing of an oil well wherein the circulation valve may be reclosed by application of well annulus pressure to allow a subsequent treating or testing program. A spring means is subjected to well annulus pressure on two ends of a volume of fluid. The v ...


9
David L Sutton: Well cementing process and gasified cements useful therein. Halliburton Company, John H Tregoning, Thomas R Weaver, Robert S Nisbett, December 8, 1981: US04304298 (92 worldwide citation)

A process for cementing adjacent a subterranean gas-containing zone, in which process a cement slurry containing a stabilized, dispersed gas is placed adjacent the zone. Sufficient gas is present in the cement slurry or is capable of being generated within the slurry to prevent the connate formation ...


10
David L Sutton: Well cementing process and gasified cements useful therein. Halliburton Company, John H Tregoning, G Keith deBrucky, July 20, 1982: US04340427 (86 worldwide citation)

A process for cementing adjacent a subterranean gas-containing zone, in which process a cement slurry containing a stabilized, dispersed gas is placed adjacent the zone. Sufficient gas is present in the cement slurry or is capable of being generated within the slurry to prevent the connate formation ...