Coring bit and method for obtaining a material core sample

Coring bit and method for obtaining a material core sample

The present invention provides an improved coring bit and method for obtaining a material core sample from the bore wall of a drilled well. The present invention provides a brush bit for cutting a core sample from an unconsolidated formation with reduced fragmentation or damage to the core sample by...

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Hauptverfasser: Harrigan, Edward, Sundquist, Robert W, Hill, Bunker M, Lauppe, Dean W, Contreras, Gary W, Tran, Sony
Format: Patent
Sprache:eng
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creator Harrigan, Edward
Sundquist, Robert W
Hill, Bunker M
Lauppe, Dean W
Contreras, Gary W
Tran, Sony
description The present invention provides an improved coring bit and method for obtaining a material core sample from the bore wall of a drilled well. The present invention provides a brush bit for cutting a core sample from an unconsolidated formation with reduced fragmentation or damage to the core sample by using a plurality of stiff bristles to cut rock from around the core sample. The present invention also provides an improved method of obtaining a core sample from an unconsolidated formation.
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title Coring bit and method for obtaining a material core sample
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