1
Rajen Puri, Dan Yee, John P Seidle: Method for producing natural gas from a coal seam. Amoco Corporation, Scott H Brown, Fred E Hook, July 12, 1988: US04756367 (261 worldwide citation)

Disclosed herein is a method of degasification, wherein gas and water production from a coal field are maintained at high rates regardless of temporary changes in market demand. While all the produced water is disposed, surplus gas is reinjected in coal by converting some of the producers to injecto ...


2
Rajen Puri: Method of underground conversion of coal. Standard Oil Company, Scott H Brown, Robert R Cochran, August 27, 1985: US04537252 (235 worldwide citation)

A method of converting coal and other solid carbonaceous material to gaseous and liquid products by heating the coal in the presence of the gaseous effluent to a sufficient temperature for pyrolyzing the coal to produce liquid and gaseous products. Thereafter, further gasifying the coal to produce a ...


3
Kenneth G Nolte: Fracturing fluid breaker system which is activated by fracture closure. The Standard Oil Company, Scott H Brown, Fred E Hook, March 26, 1985: US04506734 (192 worldwide citation)

Disclosed are compositions and related methods of use for reducing the viscosity of a fluid introduced into a subterranean formation. The compositions are introduced into the subterranean formation and are non-reactive to the fluid until activated by the closing of any fractures in the subterranean ...


4
David R Parrish: Method for enhanced oil recovery. Standard Oil Company, Scott H Brown, Fred E Hook, August 17, 1982: US04344486 (131 worldwide citation)

Disclosed is a method and apparatus for the enhanced recovery of liquid hydrocarbons from underground formations, said method comprising recovering a mixture comprising carbon dioxide and contaminants comprising hydrocarbon, hydrogen sulfide, or mixtures thereof, from an underground formation; combu ...


5
Rajen Puri, Dan Yee, Thomas S Buxton, Om Majahan: Method of increasing the permeability of a coal seam. Amoco Corporation, Scott H Brown, Fred E Hook, May 14, 1991: US05014788 (124 worldwide citation)

A method of increasing the rate of methane production from a coal seam includes introducing a desired volume of a gas, that causes coal to swell, into the coal seam adjacent a wellbore, maintaining the coal seam adjacent the wellbore in a pressurized condition for a period of time to permit the gas ...


6
Tommy M Warren, Warren J Winters: System for directional drilling and related method of use. Amoco Corporation, Scott H Brown, Fred E Hook, August 8, 1989: US04854397 (119 worldwide citation)

A system for directional drilling and related method of use is described herein which utilizes a drillstring suspended within a wellbore with an MWD and downhole turbine or motor connected adjacent a drill bit on a lower end of the drillstring, and with a top drive and/or rotary table connected adja ...


7
J Ford Brett, Tommy M Warren, L Allen Sinor, Suzanne M Behr: Low friction subterranean drill bit and related methods. Scott H Brown, Fred E Hook, July 21, 1992: US05131478 (111 worldwide citation)

A subterranean drill bit operable with a rotational drive source is provided for drilling in subterranean earthen materials to create a borehole having a borehole wall. The drill bit comprises a drill bit body having a base portion, a gauge portion and a face portion disposed about a bit axis. A plu ...


8
John P Harrington: Remotely operable releasable pipe connector. Amoco Corporation, Scott H Brown, Fred E Hook, September 16, 1986: US04611662 (110 worldwide citation)

A remotely releasable pipe connector is described and comprises a first tubular connector or "pin connector" having at least one laterally extending locking member, and a slotted second tubular connector or "box connector" cooperatively disposable over the first tubular connector with the slots ther ...


9
Tommy M Warren, J Ford Brett: Whirl resistant bit. Amoco Corporation, Scott H Brown, Fred E Hook, June 12, 1990: US04932484 (107 worldwide citation)

A whirl resistant drill bit is disclosed for use in rotary drilling. The drill bit includes a generally cylindrical bit body with a plurality of cutting elements extending out from a lower end surface. The cutter elements are grouped in sets such that a first set of cutters are disposed at substanti ...


10
James F Brett, Lawrence A Sinor, Tommy M Warren: Method for modeling and building drill bits. Amoco Corporation, Scott H Brown, Fred E Hook, March 28, 1989: US04815342 (107 worldwide citation)

A method for modeling and building drill bits. An array of spatial coordinates representative of selected surface points on a drill bit body and on cutters mounted thereon is created. The array is used to calculate the position of each cutting surface relative to the longitudinal axis of the bit bod ...