Featured patents

Oblique Face Polycrystalline Diamond Cutter and Drilling Tools So Equipped
US 08851206 B2, Oct. 7, 2014, Having a noncircular or nonplanar cutting face, Suresh G. Patel / Baker Hughes Incorporated (Houston, US)
A cutting element for use on a bit for drilling subterranean formations,…

Down-The-Hole Drill Hammer Having a Reverse Exhaust System and Segmented Chuck Assembly
US 08800690 B2, Aug. 12, 2014, Fluid-operated, Warren Thomas Lay et al. / Center Rock Inc. (Berlin, US)
A down-the-hole drill hammer comprising:…

Drill-Bit Seismic With Downhole Sensors
US 08800685 B2, Aug. 12, 2014, Indicating, testing or measuring a condition of the formation, Sunil Kumar et al. / Baker Hughes Incorporated (Houston, US)
A method of evaluating an earth formation, the method comprising:…

Method of Planting a Seed, Plant, Bush or Tree, and a Drill
US 08757295 B2, June 24, 2014, Common Drive or Advancing Means for Concurrently Boring Along Laterally Spaced Axes, Petrus Mattheus Maria Hoff / Holding P.M.M. Hoff B.V. (Steenbergen, NL)
A drill for realizing a partially tapered bore hole in a soil covering a hardpan…

Earth-Boring Tools Having Expandable Members and Related Methods
US 08727041 B2, May 20, 2014, Fluid pressure acts against spring biased part, Steven R. Radford / Baker Hughes Incorporated (Houston, US)
An expandable apparatus for use in a subterranean borehole, comprising:…

Adjustable Rotary Steerable System
US 08701795 B2, April 22, 2014, Boring curved or redirected bores, Christian Menger et al. / Schlumberger Technology Corporation (Sugar Land, US)
A system for drilling a deviated wellbore, comprising:…

Formation Evaluation Using a Bit-Based Active Radiation Source and a Gamma Ray Detector
US 08695728 B2, April 15, 2014, Ray energy detection or measuring, Eric Sullivan et al. / Baker Hughes Incorporated (Houston, US)
A drill bit, comprising:…

Tubing Shoe
US 08657036 B2, Feb. 25, 2014, Processes, Ian Kirk et al. / Downhole Products Limited (Aberdeen, GB)
A tubing shoe comprising:…

Polycrystalline Diamond Compacts, Method of Fabricating Same, and Various Applications
US 08616306 B2, Dec. 31, 2013, Includes diamond, Kenneth E. Bertagnolli et al. / US Synthetic Corporation (Orem, US)
A polycrystalline diamond compact, comprising:…

Rotational Drill Bits and Drilling Apparatuses Including the Same
US 08584777 B2, Nov. 19, 2013, For a mine roof drill bit type, Russell Roy Myers et al. / Dover BMCS Acquisition Corporation (Orem, US)
A roof-bolt drill bit, the roof-bolt drill bit comprising:…

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