1
Harold J Vinegar, Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl Jr: Petroleum well having downhole sensors, communication and power. Shell Oil Company, January 20, 2004: US06679332 (219 worldwide citation)

A petroleum well has an electronic module and a number of sensors which communicate with the surface using the tubing string and casing as conductors. Induction chokes at the surface and downhole electrically impede AC flow through the (tubing or casing if so configured) with the resulting voltage p ...


2
Harold J Vinegar, Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl Jr, James William Hall, John Michele Hirsch: Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters. Shell Oil Company, October 25, 2005: US06958704 (213 worldwide citation)

A system and method of communicating among devices via a piping structure using at least one induction choke about the piping structure to route a time-varying current carrying communication signals between the devices. A communications system comprises a piping structure, a first communication devi ...


3
John M Hirsch, George Leo Stegemeier, James William Hall, Harold J Vinegar, Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl Jr: Use of downhole high pressure gas in a gas-lift well and associated methods. Shell Oil Company, Rachael Stiegel, December 12, 2006: US07147059 (162 worldwide citation)

A gas-lift petroleum well and method for producing petroleum products using downhole pressurized gas to provide lift. The gas-lift well having a well casing, a production tubing, a packer, and a gas-lift valve. The well casing extends within a wellbore of the well, and the wellbore extends through o ...


4
George Leo Stegemeier, Harold J Vinegar, Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl Jr, John Michele Hirsch: Controlled downhole chemical injection. Shell Oil Company, January 3, 2006: US06981553 (159 worldwide citation)

A petroleum well having a well casing, a production tubing, a source of time-varying current, a downhole chemical injection device, and a downhole induction choke. The casing extends within a wellbore of the well. The tubing extends within the casing. The current source is located at the surface. Th ...


5
Harold J Vinegar, Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl Jr, John Michele Hirsch: Oil well casting electrical power pick-off points. Shell Oil Company, Rachael A Stiegel, January 30, 2007: US07170424 (156 worldwide citation)

A power supply apparatus is provided for supplying power and communications within a first piping structure. An external power transfer device is positioned around the first piping structure and is magnetically coupled to an internal power transfer device. The internal power transfer device is posit ...


6
Harold J Vinegar, Peter Veenstra, Steven Paul Giles, Chester L Sandberg, Frederick Henry Kreisler Rambow, Christopher Kelvin Harris, Lanny Gene Schoeling, Mark Gregory Picha, Etuan Zhang, Gary Beer, Frederick Gordon Carl Jr, Taixu Bai, Dong Sub Kim, Michael David Fairbanks, Guillermo Pastor Sanz: Thermal processes for subsurface formations. Shell Oil Company, April 22, 2008: US07360588 (137 worldwide citation)

A process may include providing heat from one or more heaters to at least a portion of a subsurface formation. Heat may transfer from one or more heaters to a part of a formation. In some embodiments, heat from the one or more heat sources may pyrolyze at least some hydrocarbons in a part of a subsu ...


7
Harold J Vinegar, Scott Lee Wellington, Eric Pierre de Rouffignac, John Michael Karanikas, Ilya Emil Berchenko, George Leo Stegemeier, Kevin Albert Maher, Etuan Zhang, Gordon Thomas Shahin, James Louis Menotti, John Matthew Coles, Thomas David Fowler, Charles Robert Keedy, Ajay Madhav Madgavkar, Robert Martijn Van Hardeveld, Robert Charles Ryan, Lanny Gene Schoeling, Frederick Gordon Carl: In situ recovery from a hydrocarbon containing formation. Shell Oil Company, September 21, 2010: US07798221 (119 worldwide citation)

An oil shale formation may be treated using an in situ thermal process. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. Heat input into the formation may be controlled to raise the temperature of portion at a selected rate during ...


8
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 ...


9
John Michele Hirsch, George Leo Stegemeier, Harold J Vinegar, Robert Rex Burnett, Frederick Gordon Carl Jr, William Mountjoy Savage, James William Hall: Wireless reservoir production control. Shell Oil Company, Rachel A Stiegel, August 21, 2007: US07259688 (112 worldwide citation)

A reservoir production control system includes a plurality of wells for producing a reservoir linked to a central computer over a downhole communication network and a surface communication network. Both the downhole and the surface communication networks are wireless communications paths for transmi ...


10
Harold J Vinegar, Robert Rex Burnett, William Mountjoy Savage, Frederick Gordon Carl Jr, James William Hall, John Michele Hirsch: Permanent downhole, wireless, two-way telemetry backbone using redundant repeaters. Shell Oil Company, October 14, 2003: US06633236 (53 worldwide citation)

A system and method of communicating among devices via a piping structure using at least one induction choke about the piping structure to route a time-varying current carrying communication signals between the devices. A communications system comprises a piping structure, a first communication devi ...