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| Number | Title | Issue Date |
| 7717183 | Top-down hydrostatic actuating module for downhole tools An apparatus for actuating a downhole tool within a well bore comprises a cylindrical mandrel extending longitudinally through the downhole tool; an interventionless, hydrostatic, top-down actuating piston disposed about the mandrel and forming a first chamber and a... | 05/18/2010 |
| 7514510 | Fluorenyl catalyst compositions and olefin polymerization process An olefin polymerization process comprising contacting one or more olefins and a catalyst component in a reaction zone under suitable reaction conditions to form a polyolefin, wherein the catalyst component is characterized by the formula: B(Cp)(Fl)MQ... | 04/07/2009 |
| 7367399 | Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore Systems and methods are provided for treating a wellbore using a loop system to heat oil in a subterranean formation contacted by the wellbore. The loop system comprises a loop that conveys a fluid (e.g., steam) down the wellbore via a injection conduit and returns ... | 05/06/2008 |
| 7258169 | Methods of heating energy storage devices that power downhole tools An energy storage device for powering a downhole tool may be heated to an effective temperature to improve the operability of the energy storage device. The energy storage device may comprise, for example, a primary battery, a secondary battery, a fuel cell, a capac... | 08/21/2007 |
| 7147057 | Loop systems and methods of using the same for conveying and distributing thermal energy into a wellbore Systems and methods are provided for treating a wellbore using a loop system to heat oil in a subterranean formation contacted by the wellbore. The loop system comprises a loop that conveys a fluid (e.g., steam) down the wellbore via a injection conduit and returns ... | 12/12/2006 |
| 7032675 | Thermally-controlled valves and methods of using the same in a wellbore Methods of operating a downhole tool comprise thermally-controlling the tool by sensing a temperature and controlling the tool in response to the sensed temperature. Thermally-controlled downhole tools comprise a control element responsive to a change in temperature... | 04/25/2006 |
| 6423800 | Pelletized polyolefin having ultra-high melt flow and its articles of manufacture Provided is pelletized polymer composition, a majority of which is poly--olefin or poly--olefin copolymer, which when melted displays melt flow rate greater than about 500 dg/min.... | 07/23/2002 |
