Featured patents

Tools and Methods for Use in Completion of a Wellbore
US 08794331 B2, Aug. 5, 2014, Vertical movement of conduit, Marty Stromquist et al. / NCS Oilfield Services Canada, Inc. (Calgary, Alberta, CA)
A ported tubular for installation within a wellbore to provide selective access…

Apparatus for Single-Trip Time Progressive Wellbore Treatment
US 08794330 B2, Aug. 5, 2014, Fluid operated, Gregg W. Stout / Completion Tool Developments, Inc. (Willis, US)
A single trip well stimulation tool comprising:…

Method for Quantifying Reservoir Connectivity Using Fluid Travel Times
US 08776895 B2, July 15, 2014, Producing the well, Xiao-Hui Wu et al. / ExxonMobil Upstream Research Company (Houston, US)
A method for producing hydrocarbons comprising:…

Method and Apparatus for Setting a Packer
US 08733458 B2, May 27, 2014, With sealing feature, Emmanuel Rioufol et al. / Schlumberger Technology Corporation (Sugar Land, US)
An electrically triggered pressure set packer assembly, the assembly comprising:…

Electrically Engaged, Hydraulically Set Downhole Devices
US 08684100 B2, April 1, 2014, With sealing feature, Kevin S. Tingler et al. / Baker Hughes Incorporated (Houston, US)
A method of performing a wellbore operation, comprising:…

Check Valve
US 08689893 B2, April 8, 2014, Fluid flow control member, Terje Morten Soltvedt / TS Innovation AS (Sandnes, NO)
A check valve comprising a valve housing, a substantially circular flapper,…

Tubular Actuator, System and Method
US 08646531 B2, Feb. 11, 2014, Operated by dropped element, Yang Xu et al. / Baker Hughes Incorporated (Houston, US)
A tubular actuating system, comprising:…

Hydrate Control in a Cyclic Solvent-Dominated Hydrocarbon Recovery Process
US 08602098 B2, Dec. 10, 2013, With indicating, testing, measuring or locating, Robert Chick Wattenbarger et al. / ExxonMobil Upstream Research Company (Houston, US)
A method for limiting hydrate formation during hydrocarbon production…

Cable Head for Petroleum Logging
US 08607856 B2, Dec. 17, 2013, With Electrical Means, Jiafu Zhang et al. / Tong Oil Tools Co., Ltd. (Xi'an, CN)
A cable head for petroleum logging, comprising a first connector and a second…

Downhole Safety Joint
US 08561692 B1, Oct. 22, 2013, Downhole coupling or connector, Roger L. Schultz et al. / Thru Tubing Solutions, Inc. (Oklahoma City, US)
A downhole safety joint for use in a wellbore, comprising:…

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