Featured patents

In-Situ Kerogen Conversion and Product Isolation
US 08839860 B2, Sept. 23, 2014, Liquid material injected, Robert Martin Carlson et al. / Chevron U.S.A. Inc. (San Ramon, US)
A process for extracting a kerogen-based product from a subsurface shale…

Shock Load Mitigation in a Downhole Perforation Tool Assembly
US 08714252 B2, May 6, 2014, Perforating, weakening, bending or separating pipe at an unprepared point, Marco Serra et al. / Halliburton Energy Services, Inc. (Houston, US)
A method of perforating a wellbore, comprising:…

Telescoping Orientation Joint
US 08720578 B2, May 13, 2014, With orienting or aligning of member for connection, Josh Rayner et al. / Schlumberger Technology Corporation (Sugar Land, US)
A method of deploying a subsea landing string, the subsea landing string having…

Downhole Tool of High Pressure Operating Cycle Capability
US 08672035 B2, March 18, 2014, Operated by dropped element, George Telfer / Specialised Petroleum Services Group Limited (Aberdeen, GB)
A tool comprising:…

System and Method for Enhancing Oil Recovery From a Subterranean Reservoir
US 08646525 B2, Feb. 11, 2014, Permeability determining, George Michael Shook et al. / Chevron U.S.A. Inc. (San Ramon, US)
A method for optimizing sweep efficiency of an enhanced oil recovery process…

Methods for Removing Residual Polymer From a Hydraulic Fracture
US 08616284 B2, Dec. 31, 2013, Liquid introduced from well top, Tianping Huang et al. / Baker Hughes Incorporated (Houston, US)
A method for removing a residual polymer from a hydraulic fracture comprising not…

Tool Positioning and Latching System
US 08616293 B2, Dec. 31, 2013, Providing support for well part, Michael C. Robertson et al.
A system for positioning a tool within a wellbore, the system comprising:…

Filtration of Dangerous or Undesirable Contaminants
US 08567502 B2, Oct. 29, 2013, Entraining or incorporating treating material in flowing earth fluid, Tianping Huang et al. / Baker Hughes Incorporated (Houston, US)
A method for removing contaminants from a fluid originating from a subterranean…

Bottom Set Down Hole Tool
US 08496052 B2, July 30, 2013, Screw threaded, W. Lynn Frazier / Magnum Oil Tools International, Ltd. (Corpus Christi, US)
A down hole well tool comprising…

Resilient Foam Debris Barrier
US 08464787 B2, June 18, 2013, Screen With Valve, Closure, Changeable Restrictor or Portion Removable in Well, Edward J. O'Malley / Baker Hughes Incorporated (Houston, US)
A debris barrier for a void volume in a tool, said void volume exposed…

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