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Nov Downhole Eurasia Limited patents


Recent patent applications related to Nov Downhole Eurasia Limited. Nov Downhole Eurasia Limited is listed as an Agent/Assignee. Note: Nov Downhole Eurasia Limited may have other listings under different names/spellings. We're not affiliated with Nov Downhole Eurasia Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nov Downhole Eurasia Limited-related inventors


Manufacturing method

A manufacturing method includes the steps of providing a mould containing a matrix material, providing an infiltrant material arranged so that, when molten, the infiltrant material will infiltrate into the matrix material, and heating the matrix material and the infiltrant material by induction heating using an induction heater. The induction... Nov Downhole Eurasia Limited

Downhole vibration assembly and using same

A vibration assembly of a drilling tool for drilling a wellbore penetrating a subterranean formation is disclosed. The downhole drilling tool includes a drill string, a bottomhole assembly and a drill bit. The vibration assembly includes a housing (334a) operatively connectable to the bottomhole assembly, expanders (122) positionable in the... Nov Downhole Eurasia Limited

Downhole motor, drill string provided with such a motor and releasing a stuck drill bit attached to such a motor

A downhole motor (107) which comprises a stator housing (108), a rotor assembly (106) rotatable relative to said stator housing, and an arrangement for enabling, in use, a drill bit connected to the rotor assembly of said downhole motor to be rotated by rotating a drill string connected to said... Nov Downhole Eurasia Limited

Multi cycle downhole tool

An under-reaming tool comprises a body and a plurality of extendable cutters mounted on the body. The under-reaming tool is configured to be cycled between a first configuration in which the cutters are retracted and a second configuration in which the cutters are movable between retracted and extended positions. The... Nov Downhole Eurasia Limited








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Nov Downhole Eurasia Limited in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Nov Downhole Eurasia Limited with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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