Featured patents

Coring Tool and Method
US 08820436 B2, Sept. 2, 2014, With Signaling, Indicating, Testing or Measuring, Rachel Agnes Lavaure et al. / Schlumberger Technology Corporation (Sugar Land, US)
A method comprising:…

Stabilizing Members for Fixed Cutter Drill Bit
US 08783386 B2, July 22, 2014, With bit guide or bore wall compacting device, Dwayne P Terracina et al. / Smith International, Inc. (Houston, US)
A drill bit for drilling a borehole in an earthen formation, the bit comprising…

Core Lifter
US 08770320 B2, July 8, 2014, Core bit closure relative upwardly movable by core, Hongyan Zhang et al. / Longyear TM, Inc. (South Jordan, US)
A core lifter for use in a drilling system, the core lifter having a central…

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…

Drill Bit for a Rock Drilling Tool With Increased Toughness and Method for Increasing the Toughness of Such Drill Bits
US 08720613 B2, May 13, 2014, Insert, Mattias Rehnström et al. / Atlas Copco Secoroc AB (Fagersta, SE)
A drill bit (10) for a rock drilling tool (12), which drill bit (10)…

Drill Bit and Core Retaining Device
US 08657037 B2, Feb. 25, 2014, Core-retaining or severing means, Vidik Noiman
A core retaining device for use with a core drill bit for cutting a core…

Apparatus and Method for Directional Drilling
US 08567528 B2, Oct. 29, 2013, Plural below-ground drive prime movers, Christopher Konschuh et al. / Arrival Oil Tools, Inc. (Calgary, Alberta, CA)
Apparatus for drilling a borehole while rotating a drill string in a first…

Wear Resistant Material for the Shirttail Outer Surface of a Rotary Cone Drill Bit
US 08534390 B2, Sept. 17, 2013, Specific or diverse material, Inpeng Bouaphanh / Varel International, Ind., L.P. (Carrollton, US)
A rotary cone drill bit, comprising:…

Small Core Generation and Analysis At-Bit as LWD Tool
US 08499856 B2, Aug. 6, 2013, Sampling of earth formations, Sunil Kumar / Baker Hughes Incorporated (Houston, US)
An apparatus for encapsulating a sample in a wellbore, comprising:…

Earth-Boring Tools Including an Impact Material and Methods of Drilling Through Casing
US 08479846 B2, July 9, 2013, Preformed cutting element mounted on a distinct support, James S. Trahan et al. / Baker Hughes Incorporated (Boise, US)
An earth-boring tool, comprising:…

Patentorg has 569 documents under Boring or Penetrating the Earth Patents.

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