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Boring Or Penetrating The Earth > With Means Movable Relative To Tool To Receive, Retain, Or Sever Undisturbed Core > Core-retaining Or Severing Means

Core-retaining Or Severing Means

Core-retaining Or Severing Means patent applications listed include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

01/05/12 - 20120000711 - Coring apparatus and methods to use the same
An apparatus for conveyance via wireline or drillstring in a wellbore extending into a subterranean formation, the apparatus comprising a coring bit assembly, a first motor operatively coupled to the coring bit assembly via a gear box to rotationally drive the coring bit assembly, and a second motor to drive...

04/28/11 - 20110094801 - Coring apparatus and methods to use the same
Example coring apparatus and methods to use the same are disclosed. A disclosed example apparatus includes a housing that is selectively pivotable in a downhole tool, a rotatable coring bit, a gear drive rotatively coupled to the housing, a key member configured to engage an inner surface of the gear...

03/26/09 - 20090078467 - Apparatus and methods for continuous coring
An apparatus made according to one embodiment may include a chamber configured to receive a core at a receiving end of the chamber and a cutting device configured to cut the core at a location distal from the receiving end of the core chamber. A method according to one aspect...