1
Wilmer A Hoyer: In situ process for recovery of carbonaceous materials from subterranean deposits. Exxon Production Research Company, Gary D Lawson, Michael A Nametz, May 30, 1978: US04091869 (235 worldwide citation)

A method is disclosed for recovering carbonaceous material from a subterranean deposit such as oil shale. A first zone of the subterranean deposit is heated to liquefy and vaporize carbonaceous materials contained therein. A substantial portion of the carbonaceous materials are removed from this fir ...


2
Steven R Erbstoesser, Claude E Cooke Jr, Richard G Sinclair, Michael M Epstein: Use of degradable ball sealers to seal casing perforations in well treatment fluid diversion. Exxon Production Research Company, Hubert E Cox, Gary D Lawson, January 5, 1988: US04716964 (218 worldwide citation)

Plugging perforations in casing in a wellbore penetrating a subterranean formation using degradale ball sealers. The ball sealer used is composed of a polyester polymer which is substantially insoluble in the wellbore fluid. The polymer degrades in the presence of water at an elevated temperature to ...


3
Claude E Cooke Jr, Walter A Hedden, William C Chard: Hydraulic fracturing method using sintered bauxite propping agent. Exxon Production Research Company, Salvatore J Casamassima, Robert L Graham, January 17, 1978: US04068718 (168 worldwide citation)

An improved method of fracturing a subterranean formation wherein particles composed of sintered bauxite are placed in the formation fracture to maintain the walls of the fracture spaced apart. The sintered bauxite particles have a specific gravity greater than 3.4 and are prepared from bauxite mate ...


4
Robert Arthur Neath: Subsea hydraulic choke. Exxon Production Research Company, Gary D Lawson, Salvatore J Casamassima, September 6, 1977: US04046191 (168 worldwide citation)

An improved method and apparatus used for offshore drilling operations is disclosed which is particularly useful in those operations where a floating vessel or drilling platform is situated at the surface of a body of water with a riser assembly extending between the platform and the well and a blow ...


5
David F Becker, Sen Tsuen Chen, Azik I Perelberg, Graham A Winbow: Method and system for measuring azimuthal anisotropy effects using acoustic multipole transducers. Exxon Production Research Company, Alfred A Equitz, Jeffrey M Hoster, Herbert E O Niell, May 23, 1989: US04832148 (164 worldwide citation)

An acoustic borehole well logging method and apparatus for measuring azimuthal anisotropy of a formation traversed by a borehole using at least one multipole transducer. In a preferred embodiment, a dipole wave transmitter and at least one detector sensitive to dipole waves are employed. In an alter ...


6
Roger M Butler: Method for continuously producing viscous hydrocarbons by gravity drainage while injecting heated fluids. Exxon Production Research Company, Michael A Nametz, August 17, 1982: US04344485 (157 worldwide citation)

A thermal method is disclosed for recovering normally immobile oil from a tar sand deposit. Two wells are drilled into the deposit, one for injection of heated fluid and one for production of liquids. Thermal communication is established between the wells. The wells are operated such that heated mob ...


7
Thomas A Jones, Sterling J Helwick Jr: Method of generating 3-D geologic models incorporating geologic and geophysical constraints. Exxon Production Research Company, Albert B Kimball Jr, Keith A Bell, November 17, 1998: US05838634 (155 worldwide citation)

Features of subsurface earth reservoirs of interest are made available for analysis and evaluation by forming three-dimensional, geologic block models based on field data. The field data include geological observations, such as lithofacies and porosity values obtained from well data and other source ...


8
Leo Donald Maus: Gas lift system for marine drilling riser. Exxon Production Research Company, Salvatore J Casamassima, July 11, 1978: US04099583 (131 worldwide citation)

An improved offshore drilling method and apparatus are disclosed which are useful in preventing formation fracture caused by excessive hydrostatic pressure in a drilling riser. Gas is injected into the riser to provide the lift necessary to return the drilling fluid to the surface and to reduce the ...


9
James Damron Howell, Robert William Beck, George Hayden Bruce, John David McLain: Drilling fluid diverter system. Exxon Production Research Company, Salvatore J Casamassima, December 20, 1977: US04063602 (129 worldwide citation)

An improved method and apparatus for offshore drilling is described which is particularly useful for drilling in deep water from a floating surface vessel. Drilling fluid is introduced into a drill string extending from the vessel into a wellbore in the floor of the body of water. In order to mainta ...


10
Roger Moore Butler: Method for oil recovery using a horizontal well with indirect heating. Exxon Production Research Company, Gary D Lawson, April 25, 1978: US04085803 (121 worldwide citation)

Disclosed is a method for recovering hydrocarbons from a subterranean formation. A heated fluid is injected into the formation by means of a perforated conduit which is positioned substantially horizontally through the formation to heat hydrocarbons within the formation. After a suitable heating per ...