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 ...

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 ...

Larry A Watkins, John W Graham: Method of gravel packing a well. Exxon Production Research Company, Michael A Nametz, Gary D Lawson, November 28, 1978: US04127173 (105 worldwide citation)

A method of forming a gravel pack in a wellbore is disclosed which involves disposing a pipe adjacent the incompetent formation, depositing gravel around the pipe, consolidating the resulting gravel bed using a suitable resinous material, and removing the pipe to leave a high permeability, high stre ...

Harry R Hanson, Hollis A Baugh, Thomas W Childers, James B Greer: Well packers using metal to metal seals. Exxon Production Research Company, Michael A Nametz, Gary D Lawson, November 28, 1978: US04127168 (95 worldwide citation)

An improved well packer for use in sour gas wells is disclosed. The improved packer includes a cylindrical mandrel encircled with a resilient metal seal ring, means for anchoring the packer at a predetermined vertical depth, means for radially expanding the seal rings so as to cause sealing engageme ...

Walter W Gale, Maura C Puerto, Thomas L Ashcraft, Rhoderick K Saunders, Ronald L Reed: Propoxylated ethoxylated surfactants and method of recovering oil therewith. Exxon Production Research Company, Michael A Nametz, October 6, 1981: US04293428 (66 worldwide citation)

A method for recovering oil from a subterranean formation is disclosed wherein a novel solution is injected into and driven through the formation. The solution contains an effective amount of surface-active agent having the general formula

Donald A Best: Method for producing heavy crude. Exxon Production Research Company, Michael A Nametz, July 28, 1981: US04280559 (66 worldwide citation)

A process for the in situ recovery of viscous oil from a subterranean formation is disclosed. Steam is injected into the formation via a well, permitted to soak, and heated fluids including heated viscous oil are produced sufficient to create a substantial fluid mobility in the formation. Then a hyd ...

Daniel G Taft, Joe K Heilhecker: Subsea riser and flotation means therefor. Exxon Production Research Company, Robert L Graham, Robert B Martin, Michael A Nametz, December 4, 1979: US04176986 (46 worldwide citation)

A marine drilling riser is provided with a plurality of buoyancy cans having fail safe dump valves operative to vent compressed gas from the buoyancy cans and thereby cause rapid loss of buoyancy.

Bertram T Willman: Thermal recovery of viscous hydrocarbons using arrays of radially spaced horizontal wells. Exxon Production Research Company, Michael A Nametz, October 27, 1981: US04296969 (40 worldwide citation)

Normally immobile mineral values are recovered from a subterranean formation by penetrating the formation with an access shaft and drilling two radial arrays of substantially horizontal wells out into the formation from the shaft, one array of wells being substantially shorter than the other array. ...

Claude E Cooke Jr: Apparatus and method for well repair operations. Exxon Production Research Company, Michael A Nametz, February 21, 1978: US04074756 (20 worldwide citation)

Flow channels behind the casing in a well are plugged by detecting a circumferential temperature anomaly on the casing, perforating in the direction of such anomaly, and introducing cement into the perforations. The apparatus for locating and perforating into a flow channel includes a sensitive temp ...

Leon H Robinson, Jerry M Speers, Adelbert Barry, Daniel J Campbell: Method and apparatus for maintaining electric cable inside drill pipe. Exxon Production Research Company, Michael A Nametz, July 4, 1978: US04098342 (19 worldwide citation)

An insulated electric conductor employed in a tubular drill string to transmit electric energy between subsurface and surface locations is arranged within the drill string in a convoluted configuration to provide an excess length of conductor. The convoluted conductor is prevented from entangling du ...