Featured patents

Analysis Refracted Acoustic Waves Measured in a Borehole
US 08813869 B2, Aug. 26, 2014, Automatic Control, Richard Timothy Coates et al. / Schlumberger Technology Corporation (Sugar Land, US)
A system for measuring and analyzing refracted acoustic energy comprising:…

Drag Bit With Utility Blades
US 08869919 B2, Oct. 28, 2014, With bit guide or bore wall compacting device, Youhe Zhang et al. / Smith International, Inc. (Houston, US)
A drill bit comprising:…

Coring Apparatus and Methods to Use the Same
US 08752652 B2, June 17, 2014, Means Carried by Housing Insertable in Inaccessible Hole to Advance Side Wall Tool Laterally, Steven E. Buchanan et al. / Schlumberger Technology Corporation (Sugar Land, US)
An apparatus for conveyance via wireline or drillstring in a wellbore extending…

Resilient Bit Systems and Methods
US 08720610 B2, May 13, 2014, Adjustable cutter element, Curtis Clifford Lanning et al. / National Oilwell Varco, L.P. (Houston, US)
A drill bit for subsurface drilling, comprising:…

System and Method for Monitoring and Controlling Underground Drilling
US 08684108 B2, April 1, 2014, With Signaling, Indicating, Testing or Measuring, William Evans Turner et al. / APS Technology, Inc. (Wallingford, US)
A method of monitoring the operation of a drill string drilling into an earthen…

Apparatus, System and Method for Motion Compensation Using Wired Drill Pipe
US 08640790 B2, Feb. 4, 2014, Boring from floating support with submerged independent anchored guide base, Tom MacDougall et al. / Schlumberger Technology Corporation (Sugar Land, US)
A system for motion compensation in a wellbore, the system comprising:…

Polycrystalline Compacts Including Metallic Alloy Compositions in Interstitial Spaces Between Grains of Hard Material, Cutting Elements and Earth-Boring Tools Including Such Polycrystalline Compacts, and Related Methods
US 08651203 B2, Feb. 18, 2014, Preformed cutting element mounted on a distinct support, Anthony A. DiGiovanni / Baker Hughes Incorporated (Houston, US)
A polycrystalline compact, comprising:…

High Temperature Drilling Motor Drive With Cycloidal Speed Reducer
US 08602127 B2, Dec. 10, 2013, With mechanical motion-converting means, Olof Hummes / Baker Hughes Incorporated (Houston, US)
A drive for a subterranean bit that forms a borehole that can be used…

Intelligent Wellbore Propagation System
US 08590638 B2, Nov. 26, 2013, Sectional guide or shaft having means to lock sections in angular relation while boring, Geoffrey C. Downton / Schlumberger Technology Corporation (Sugar Land, US)
A system for drilling a deviated wellbore, comprising:…

Bearing Assembly System With Integral Lubricant Distribution and Well Drilling Equipment Comprising Same
US 08505652 B2, Aug. 13, 2013, Rotary drive for a relatively advancing tool, John R. Williams et al. / Hampton IP Holding Co., LLC (Georgetown, US)
A bearing assembly for a rotating control device used in drilling wells,…

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