Featured patents

Method and Device for Transporting Pipestringsections Between a Storage Unit and a Drill Rig
US 08851202 B2, Oct. 7, 2014, With Magazine for Successively Moving Unconnected, Oriented Tool or Shaft Sections to Use Position, Leif Salthaug / Standlifter Holdings AS (Farsund, NO)
A method for transporting pipe string sections between a storage unit wherein…

System and Method for Steering in a Downhole Environment Using Vibration Modulation
US 08844649 B2, Sept. 30, 2014, Natural Vibration Characteristic of an Element of Boring Means Related (1) to Natural Vibration Characteristic of Another Element, or (2) to Frequency of an Imposed Motion, Todd W. Benson / Hunt Advanced Drilling Technologies, L.L.C. (Dallas, US)
A system for using controlled axial vibrations to bias a drilling direction…

Downhole Rotational Lock Mechanism
US 08833491 B2, Sept. 16, 2014, With positive connection between tool and support shaft for rotary below ground motor, Ashish Prafulla Khaparde et al. / Halliburton Energy Services, Inc. (Houston, US)
A downhole rotational lock mechanism, comprising:…

Drilling Method for Drilling a Subterranean Borehole
US 08684109 B2, April 1, 2014, Measuring or indicating drilling fluid (1) pressure, or (2) rate of flow, Charles Orbell et al. / Managed Pressure Operations Pte Ltd (Singapore, SG)
A method of drilling a subterranean borehole comprising:…

PDC Sensing Element Fabrication Process and Tool
US 08695729 B2, April 15, 2014, Indicating, testing or measuring a condition of the formation, Hendrik John et al. / Baker Hughes Incorporated (Houston, US)
A rotary drill bit configured to be conveyed in a borehole and drill an earth…

Thermally Stable Polycrystalline Diamond Material With Gradient Structure
US 08627904 B2, Jan. 14, 2014, Preformed cutting element mounted on a distinct support, Georgiy Voronin / Smith International, Inc. (Houston, US)
A diamond construction, comprising:…

Apparatus and Method to Maintain Constant Fluid Circulation During Drilling
US 08590640 B2, Nov. 26, 2013, With valve, Per Olav Haughom / Baker Hughes Incorporated (Houston, US)
An apparatus for use with a drill string formed of jointed tubulars, comprising:…

Drill Head Connection
US 08561721 B2, Oct. 22, 2013, With Signaling, Indicating, Testing or Measuring, Michael Tjader / TT Technologies, Inc. (Aurora, US)
A drill head system, comprising:…

Milling Cap for a Polycrystalline Diamond Compact Cutter
US 08517123 B2, Aug. 27, 2013, With Cutting Edge Cover, Michael R. Reese / Varel International, Ind., L.P. (Carrollton, US)
Apparatus, comprising:…

Drill Bit
US 08485283 B2, July 16, 2013, Core forming type, Pierre Auger et al. / Groupe Fordia Inc. (St-Laurent, CA)
A drill bit usable with a fluid, said drill bit comprising:…

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