1
Nicholas Daviduk, David W Lewis, Michael T Siuta: Process for in situ retorting of oil shale. Mobil Oil Corporation, C A Huggett, Drude Faulconer, April 19, 1977: US04018280 (226 worldwide citation)

A process for in situ retorting of oil shale wherein an externally heated gas is circulated through a first retort zone. Surface retorting units comprised of compressors and furnaces are used to start the retorting process and to continue same until the off gas being recovered from the first retort ...


2
Thomas H Timmins: In situ retorting of oil shale. Mobil Oil Corporation, C A Huggett, Drude Faulconer, April 13, 1976: US03950029 (197 worldwide citation)

An in situ retorting method and system for recovering hydrocarbons from an oil shale deposit. A retorting zone is formed in the deposit and is comprised of at least two galleries which are separated by a barrier of oil shale thick enough to prevent leakage of gas between galleries. A plurality of ro ...


3
Werner O Haag, Paul G Rodewald, Paul B Weisz: Conversion of biological material to liquid fuels. Mobil Oil Corporation, C A Huggett, M G Gilman, V J Frilette, November 10, 1981: US04300009 (129 worldwide citation)

Living plants and animals synthesize and often accumulate a wide variety of organic materials having a molecular weight greater than 150. These include different chemical types such as natural hydrocarbons including rubbery substances, natural resins, and natural glycerides such as oils and fats. Th ...


4
Wilbur F Roper, Thomas B Dellinger: Reduction of the frictional coefficient in a borehole by the use of vibration. Mobil Oil Corporation, C A Huggett, M G Gilman, J F Powers Jr, May 24, 1983: US04384625 (128 worldwide citation)

A deviated borehole is drilled with a rotary drilling technique in which the drill string is vibrated at a suitable frequency and amplitude to reduce the friction of the drill string against the lower side of the borehole and to promote the free movement of the drill string therein.


5
John C Bonacci, Ronald P Billings: Production of alkyl aromatic hydrocarbons. Mobil Oil Corporation, C A Huggett, April 6, 1976: US03948758 (115 worldwide citation)

Alkyl aromatic hydrocarbons useful as chemical raw material, solvents and the like are provided in high purity by hydrocracking of a fraction rich in alkyl aromatics and lean in aliphatic hydrocarbons over a particular zeolite catalyst associated with a hydrogenation/dehydrogenation component. The c ...


6
Joseph George Savins: Hydraulic fracturing technique. Mobil Oil Corporation, C A Huggett, Henry L Ehrlich, January 10, 1978: US04067389 (97 worldwide citation)

This specification discloses a technique of hydraulically fracturing a subterranean formation wherein there is used a fracturing fluid comprised of an aqueous solution of an interaction product of a polysaccharide and a galactomannan.


7
Bobbie J Patton, Vasel R Slover: Weight-on-drill-bit and torque-measuring apparatus. Mobil Oil Corporation, C A Huggett, George W Hager Jr, July 6, 1976: US03968473 (82 worldwide citation)

Apparatus is provided for measuring weight and torque on the drill bit in a logging-while-drilling system. The upper end of the drill bit is adapted for slidable engagement with the lower end of the drill collar. Transducers are mounted with a cavity formed between the drill collar and drill bit whe ...


8
Tsoung yuan Yan: Method of treating formation to remove ammonium ions. Mobil Oil Corporation, C A Huggett, Drude Faulconer, July 31, 1979: US04162707 (78 worldwide citation)

A method of treating a subterranean formation which has undergone an in situ leaching operation which utilzed an ammonium solution as the lixiviant. In such a leach operation, ammonium ions will exchange into the clay in the formation and will present a threat of contamination to any ground waters t ...


9
William L Medlin: Hydraulic fracturing method for creating horizontal fractures. Mobil Oil Corporation, C A Huggett, Henry L Ehrlich, June 29, 1976: US03965982 (78 worldwide citation)

This specification discloses a method of creating a horizontally disposed fracture in a subterranean formation that is penetrated by a wellbore. Two packers are set in the wellbore against the formation to be fractured to define with the wellbore and intermediate the packers a fracture treatment zon ...


10
Elmo M Blount: Method of dynamically killing a well blowout. Mobil Oil Corporation, C A Huggett, William D Jackson, September 30, 1980: US04224989 (62 worldwide citation)

A process for dynamically killing a well blowout by means of a relief well. A low density fluid is pumped down the relief well and into the blowout well at a rate to produce a frictional pressure loss in the blowout well which when added to the hydrostatic pressure in the blowout well is greater tha ...