Featured patents

Tubular Severing System and Method of Using Same
US 08720565 B2, May 13, 2014, Perforating, weakening, bending or separating pipe at an unprepared point, Eric Trevor Ensley et al. / National Oilwell Varco, L.P. (Houston, US)
A method for severing a tubular of a wellbore, the wellbore penetrating…

Multi-Purpose Fill and Circulate Well Tool
US 08714271 B2, May 6, 2014, Providing support for well part, David H. Harris et al. / Baker Hughes Incorporated (Houston, US)
A multi-purpose fill and circulate tool (“FAC tool”) for use in a well comprising…

High Pressure Fast Response Sealing System for Flow Modulating Devices
US 08720572 B2, May 13, 2014, Longitudinally movable operator, Daniel Maurice Lerner et al. / Teledrill, Inc. (Katy, US)
An apparatus comprising one or more devices capable of modulating fluid flow,…

Method and Materials for Proppant Flow Control With Telescoping Flow Conduit Technology
US 08646523 B2, Feb. 11, 2014, Lateral Probe or Port Sealed Against Well Wall, Tianping Huang et al. / Baker Hughes Incorporated (Houston, US)
A method for hydraulic fracturing within a subterranean reservoir, wherein…

Hydraulic Fracturing Methods and Well Casing Plugs
US 08596362 B2, Dec. 3, 2013, Separate steps of (1) cementing, plugging or consolidating and (2) fracturing or attacking formation, Scott Gregory Nelson / Baker Hughes Incorporated (Houston, US)
A hydraulic fracturing method comprising:…

Externally Adjustable Inflow Control Device
US 08602110 B2, Dec. 10, 2013, Operating valve, closure, or changeable restrictor in a well, Luke W. Holderman et al. / Halliburton Energy Services, Inc. (Houston, US)
A method of variably restricting fluid flow in a well, the method comprising:…

Crude Oil Production Equipment
US 08555957 B2, Oct. 15, 2013, With Eduction Pump or Plunger, Chinn-Chann Chiang et al. / (New Taipei, TW)
Crude oil production equipment, comprising a submersible pump, a driving shaft…

Pipeless Steam Assisted Gravity Drainage System and Method
US 08555958 B2, Oct. 15, 2013, Central Chamber Sealed With Respect to Prepositioned Modified Surrounding Conduit, Bradley Gene Baker et al. / Baker Hughes Incorporated (Houston, US)
A system comprising:…

Wellhead Assembly Having a Nested Tubing Head
US 08505636 B2, Aug. 13, 2013, Above ground parts, Scott Travis Webster et al.
A wellhead assembly, comprising:…

System of Pipes for Use in Oil Wells
US 08453740 B2, June 4, 2013, Dissolving or preventing formation of solid oil deposit, Laurence Waino McKeen et al. / E.I. du Pont de Nemours and Company (Wilmington, US)
Process of reducing the deposition of asphaltenes, paraffin wax, or inorganic…

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