Featured patents

Cement Compositions Comprising Particulate Foamed Elastomers and Associated Methods
US 08807216 B2, Aug. 19, 2014, Cementing, plugging or consolidating, Benjamin J. Iverson et al. / Halliburton Energy Services, Inc. (Houston, US)
A method of cementing, comprising:…

Methods and Apparatus for Improved Cement Plug Placement
US 08826979 B2, Sept. 9, 2014, Of cementing or plugging technique, Gérard Daccord et al. / Schlumberger Technology Corporation (Sugar Land, US)
An apparatus for placing a cement plug in a well, comprising:…

Enhanced Penetration of Telescoping Fracturing Nozzle Assembly
US 08720544 B2, May 13, 2014, Hydraulic Fracturing Device, Richard Yingqing Xu / Baker Hughes Incorporated (Houston, US)
A telescoping nozzle assembly for placement at a subterranean location…

Multi-Purpose Well Servicing Apparatus
US 08714260 B2, May 6, 2014, Cleaning or unloading well, Stephen R. Callegari, Sr. et al. / Halliburton Energy Services, Inc. (Houston, US)
An improved well service tool, having an elongated, central hollow mandrel…

Flexible Hang-Off Arrangement for a Catenary Riser
US 08689882 B2, April 8, 2014, Riser, Steven John Leverette et al. / Seahorse Equipment Corp (Houston, US)
A riser hanger comprising:…

Wired Drill Pipe Cable Connector System
US 08662188 B2, March 4, 2014, Conduit, Jonathan W. Brown et al. / Intelliserv, LLC (Houston, US)
A system for use in a well, comprising:…

Non-Damaging Slips and Drillable Bridge Plug
US 08579024 B2, Nov. 12, 2013, Wedge or cam and friction drag, Jason C. Mailand et al. / Team Oil Tools, LP (The Woodlands, US)
A slip assembly, comprising:…

Drill String Flow Control Valve and Methods of Use
US 08534369 B2, Sept. 17, 2013, Fluid flow control member, Luc deBoer / (Richmond, US)
A drill string flow control valve comprising:…

Annulus Isolation Valve
US 08464795 B2, June 18, 2013, Vertical movement of conduit, Nick Newlands et al. / Aker Solutions Inc. (Houston, US)
An annulus isolation valve, comprising:…

Crane Device and Method
US 08479825 B2, July 9, 2013, Well component assembly means, Leonard Childers et al. / Hydril USA Manufacturing LLC (Houston, US)
A crane for moving a component of a blowout preventer, the crane comprising:…

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