1
Harold J Vinegar, Ronald Marshall Bass, Bruce Gerard Hunsucker: Heat sources with conductive material for in situ thermal processing of an oil shale formation. Shell Oil Company, August 16, 2005: US06929067 (224 worldwide citation)

The oil shale formation may be treated using an in situ thermal process. Heat may be provided to a section of the formation from one or more heat sources. A portion of a heat source may include conductive material. In some embodiments, the conductive portion may reduce heat loss to a non-hydrocarbon ...


2
Harold J Vinegar, Ronald Marshall Bass: In situ recovery from a hydrocarbon containing formation using conductor-in-conduit heat sources with an electrically conductive material in the overburden. Shell Oil Company, January 23, 2007: US07165615 (211 worldwide citation)

In an embodiment, a system may be used to heat a hydrocarbon containing formation. The system may include a conduit placed within an opening in the formation. A conductor may be placed within the conduit. The conductor may provide heat to a portion of the formation. In some embodiments, an electrica ...


3
Harold J Vinegar, Ronald Marshall Bass: In situ recovery from a hydrocarbon containing formation. Shell Oil Company, December 9, 2008: US07461691 (188 worldwide citation)

An in situ process for treating a hydrocarbon containing formation is provided. The process may include providing heat from one or more heaters to at least a portion of the formation. The heat may be allowed to transfer from the one or more heaters to a part of the formation such that heat from the ...


4
Harold J Vinegar, Ronald Marshall Bass, Dong Sub Kim, Stanley Leroy Mason, George Leo Stegemeier, Thomas Joseph Keltner, Frederick Gordon Carl Jr: Subsurface connection methods for subsurface heaters. Shell Oil Company, December 28, 2010: US07860377 (112 worldwide citation)

A system for heating a subsurface formation is described. The system includes a first elongated heater in a first opening in the formation. The first elongated heater includes an exposed metal section in a portion of the first opening. The portion is below a layer of the formation to be heated. The ...


5
Ernesto Rafael Fonseca Ocampos, James Joseph Venditto, Renfeng Richard Cao, Ronald Marshall Bass, Scott Vinh Nguyen, Antonio Maria Guimaraes Leite Cruz, Damodaran Raghu, Jaime Santos Son: Circulated heated transfer fluid systems used to treat a subsurface formation. Shell Oil Company, September 18, 2012: US08267185 (43 worldwide citation)

A method for heating a subsurface formation includes applying heat from a plurality of heaters to at least a portion of the subsurface formation. A portion of one or more of the heaters are allowed to move relative to the heaters respective wellhead using sliding seals to accommodate thermal expansi ...


6
Ronald Marshall Bass, Carl Gottlieb Langner: Direct electric pipeline heating. Shell Oil Company, Mark A Smith, November 7, 2000: US06142707 (39 worldwide citation)

A system for direct electric heating of a subsea pipeline is disclosed in the form of a pipe-in-pipe flowline having an electrically conductive outer carrier pipe and an electrically conductive inner pipe or flowline arranged longitudinally, substantially concentrically within the outer pipe. An ann ...


7
Dhruv Arora, Ronald Marshall Bass, Graham Patrick Bradford, David Booth Burns, Eric Abreu Gesualdi, Scott Vinh Nguyen, Edward Everett de St Remey, Stephen Taylor Thompson: Methods for assessing a temperature in a subsurface formation. Shell Oil Company, January 22, 2013: US08356935 (26 worldwide citation)

Methods for assessing a temperature in an opening in a subsurface formation are described herein. A method may include assessing one or more dielectric properties along a length of an insulated conductor located in the opening and assessing one or more temperatures along the length of the insulated ...


8
Harold J Vinegar, Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl Jr, John Michele Hirsch, George Leo Stegemeier, Ronald Marshall Bass: Controllable production well packer. Shell Oil Company, January 29, 2008: US07322410 (25 worldwide citation)

An apparatus and method for operating an electrically powered device in a packer using the piping structure of the well as an electrical conductor for providing power and/or communications. The electrically powered device may comprise an electrically controllable valve, a communications and control ...


9
Carl Gottlieb Langner, Ronald Marshall Bass: Method for pipeline leak detection. Shell Oil Company, Mark A Smith, January 9, 2001: US06171025 (22 worldwide citation)

A method is disclosed for pipeline leak detection in which a vacuum is maintained in the annulus of a pipe-in-pipe flowline with a vacuum pump having a discharge reservoir which is monitored for the appearance of water and hydrocarbon vapors. In another aspect of the invention pipeline leak detectio ...


10
Robert Henry Wittman, Ronald Marshall Bass, Carl Gottlieb Langner: Joint for applying current across a pipe-in-pipe system. Shell Oil Company, November 13, 2001: US06315497 (22 worldwide citation)

A heated flowline electrical isolation joint is disclosed for introducing current into a pipe-in-pipe system having an outer and an inner pipe. A hub presents a load flange having tension and compression load shoulders on its terminal end and connects to the inner pipe on its other end. An end flang ...