1
Ruel C Terry: Generating electricity from coal in situ. In Situ Technology, February 10, 1981: US04250230 (266 worldwide citation)

The system of the invention comprises a two well system of gasifying coal in situ wherein the generated gas stream is directed to a gas separator, which, in turn separates hydrogen and carbon monoxide into separate streams. Hydrogen is directed to one type of fuel cell and carbon dioxide is directed ...


2
Francis Alexander Cumming, Simon Lawrence Fisher, Robert Bruce Stewart: Creating zonal isolation between the interior and exterior of a well system. Shell Oil Company, June 6, 2000: US06070671 (232 worldwide citation)

A method is provided for creating zonal isolation between the exterior and interior of an uncased section of an underground well system which is located adjacent to a well section in which a well casing is present. The method includes inserting an expandable tubular through the existing well casing ...


3
Donald L Rider: Horizontal well system. Scioto County Regional Water District &num 1, Wood Herron & Evans L, July 23, 2002: US06422318 (196 worldwide citation)

A horizontal well system, in accordance with the principles of the invention, includes a porous casing member having an interior space, a first end, and a second end, with at least a portion of the porous casing member being positioned substantially horizontally within an aquifer. This horizontal we ...


4
William Zahavi, Lee W Sapiro, Saymai Thammavong, Ron Arnan: Method and storage and manipulation of storage system metrics. EMC Corporation, Brian L Michaelis Esq, Joseph P Quinn Esq, Brown Rudnick Berlack Israels, July 25, 2006: US07082441 (165 worldwide citation)

A method for storage and manipulation of storage system metrics incorporates a self-describing format wherein each data file includes a header block that contains the description and order of the periodic data. The header block is followed by a data block in which the data items are presented in the ...


5
James B Terry, Thomas Platt Wilson, Jay M Eppink, Albert C Odell, William F Trainor, James W Estep, Haoshi Song: Well system. Halliburton Energy Services, Conley Rose P C, February 6, 2007: US07172038 (145 worldwide citation)

The drilling system includes a work string supporting a bottom hole assembly. The work string including lengths of pipe having a non-metallic portion. The work string preferably includes a composite coiled tubing having a fluid impermeable liner, multiple load carrying layers, and a wear layer. Mult ...


6
James B Terry, Thomas Platt Wilson: Well system. Halliburton Energy Services, Conley Rose & Tayon P C, October 2, 2001: US06296066 (135 worldwide citation)

A drilling system includes a work string supporting a bottom hole assembly. The work string including lengths of pipe having a non-metallic portion. The work string preferably includes a composite umbilical having a fluid impermeable liner, multiple load carrying layers, and a wear layer. Multiple e ...


7
James B Terry, Thomas Platt Wilson, Jay M Eppink, Albert C Odell II, William F Trainor, James W Estep, Haoshi Song: Well system. Halliburton Energy Services, Conley Rose P C, August 2, 2005: US06923273 (99 worldwide citation)

The drilling system includes a work string supporting a bottom hole assembly. The work string including lengths of pipe having a non-metallic portion. The work string preferably includes a composite coiled tubing having a fluid impermeable liner, multiple load carrying layers, and a wear layer. Mult ...


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9
Jeffrey R Bailey, Marion M Ringo: Single well system for mapping sources of acoustic energy. Exxon Production Research Company, May 5, 1998: US05747750 (87 worldwide citation)

Apparatus and method for determining the location of the source of seismic energy around a well are provided. Multiple seismic receivers, each receiver having orthogonal seismic sensors, are axially spaced on a tool which is capable of sending real-time seismic signals to the surface over convention ...


10
Rodney J Wetzel, Sudhir Pai, David R Smith, Peter V Howard, Craig D Johnson, Jake A Danos, Patrick W Bixenman: Intelligent well system and method. Schlumberger Technology Corporation, Robert A Van Someren P C, Jeffrey Griffin, Brigitte Jeffery Echols, September 14, 2004: US06789621 (87 worldwide citation)

An intelligent well system and method has a sand face completion and a monitoring system to monitor application of a well operation. Various equipment and services may be used. In another aspect, the invention provides a monitoring system for determining placement of a well treatment. Yet another as ...