Featured patents

Selectively Fired High Pressure High Temperature Back-Off Tool
US 08851191 B2, Oct. 7, 2014, Disassembling well part, Nauman H. Mhaskar et al. / Baker Hughes Incorporated (Houston, US)
A method of an operation in a wellbore comprising:…

Damping Assembly for Downhole Tool Deployment and Method Thereof
US 08826993 B2, Sept. 9, 2014, Placing or shifting well part, Christopher W. Guidry et al. / Baker Hughes Incorporated (Houston, US)
A damping assembly comprising:…

Electrodes for Electrical Current Flow Heating of Subsurface Formations With Conductive Material in Wellbore
US 08820406 B2, Sept. 2, 2014, Heating, cooling or insulating, Christopher Kelvin Harris / Shell Oil Company (Houston, US)
A system for treating a subsurface formation, comprising:…

Remote Activated Deflector
US 08789590 B2, July 29, 2014, Tool orienting, Stacey Blaine Donovan / Halliburton Energy Services, Inc. (Houston, US)
A wellbore y-block junction, comprising:…

Charging Unit, System and Method for Activating a Wellsite Component
US 08727018 B1, May 20, 2014, By auxilliary fluid control line, David W. McCulloch / National Oilwell Varco, L.P. (Houston, US)
A charging unit of a system for activating a wellsite component of a wellsite…

Downhole Fluid Flow Control System and Method Having Direction Dependent Flow Resistance
US 08602106 B2, Dec. 10, 2013, Fluid operated, Jean-Marc Lopez / Halliburton Energy Services, Inc. (Houston, US)
A downhole fluid flow control method comprising:…

Shear Seal Blowout Preventer
US 08567490 B2, Oct. 29, 2013, With blowout preventer, Denzal Wayne Van Winkle / National Oilwell Varco, L.P. (Houston, US)
A blowout preventer of the shear/seal ram type, comprising:…

Swelling Packer
US 08550156 B2, Oct. 8, 2013, Adjustable over pipe or set over prepositioned pipe, Robert O. Castillo et al. / Baker hughes Incorporated (Houston, US)
A barrier for subterranean use, comprising:…

Casing Head Connector
US 08490706 B2, July 23, 2013, Above ground parts, Doyle W. Rodgers / Stream-Flo Industries Ltd. (Edmonton, CA)
A wellhead connection for connecting and sealing to a casing, the casing having…

Self Adaptive Cement Systems
US 08469095 B2, June 25, 2013, Cement or consolidating material contains inorganic water settable and organic ingredients, Keith Dismuke et al. / Schlumberger Technology Corporation (Sugar Land, US)
A method for maintaining zonal isolation in a subterranean well having a borehole…

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