Featured patents

Sonic Drill Head
US 08851203 B2, Oct. 7, 2014, Tool Actuation by Reaction of Rotating Eccentric Mass, Brian Smith et al. / Layne Christensen Company (Kansas City, US)
A vibratory drill head comprising:…

Mechanical Specific Energy Drilling System
US 08833487 B2, Sept. 16, 2014, Automatic Control, Philip Wayne Mock et al. / WWT North America Holdings, Inc. (Houston, US)
A downhole drilling assembly comprising;…

Drilling Rig With Continuous Microwave Particulate Treatment System
US 08813875 B1, Aug. 26, 2014, With Above-Ground Means for Preparing or Separating Drilling Fluid Constituents, Perry Don Lyman et al. / KMC Oil Tools B.V. (Amsterdam, NL)
A drilling rig with continuous microwave particulate treatment system…

Polycrystalline Compacts Including Nanoparticulate Inclusions, Cutting Elements and Earth-Boring Tools Including Such Compacts, and Methods of Forming Same
US 08800693 B2, Aug. 12, 2014, Diamond, Anthony A. DiGiovanni / Baker Hughes Incorporated (Houston, US)
A polycrystalline compact, comprising:…

Formation Testing in Managed Pressure Drilling
US 08783381 B2, July 22, 2014, Indicating, testing or measuring a condition of the formation, Stuart M. Jeffries / Halliburton Energy Services, Inc. (Houston, US)
A method of testing an earth formation, the method comprising:…

Drill Bit Having Rotational Cutting Elements and Method of Drilling
US 08763727 B1, July 1, 2014, Adjustable cutter element, Jeffrey B. Lund et al. / US Synthetic Corporation (Orem, US)
A rotary drill bit comprising:…

Slip Device for Suspending a Drill or Casing String in a Drill Floor
US 08678112 B2, March 25, 2014, Wedging Slip Assembly for Supporting a Pipe or Rod, Per A. Vatne
A system comprising:…

Permanent Magnet Direct Drive Drawworks
US 08672059 B2, March 18, 2014, With Above-Ground Means to Feed Tool, Kevin R. Williams / Canrig Drilling Technology Ltd. (Houston, US)
A direct drive drawworks, comprising:…

Method for Repairing Aberrations Along a Drill Bore Wall
US 08672058 B2, March 18, 2014, Prevention of lost circulation or caving, Shelton E. Tommie, Jr. / GeoThermal Technologies, Inc. (LaGrange, US)
A method for repairing aberrations along a drill bore wall, the method…

Polycrystalline Diamond
US 08490721 B2, July 23, 2013, Diamond, Thembinkosi Shabalala et al. / Element Six Abrasives S.A. (Luxembourg, LU)
A polycrystalline diamond (PCD) material comprising a body comprising at least…

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