Coring tool with retention device

Details Coring tool with retention device Coring tool with retention device

E - Fixed Constructions

21

B

E21B 25/00 (2006.01) E21B 49/06 (2006.01)

Patent

CA 2490492

In some embodiments, the invention relates to a sidewall coring tool that includes a tool body, a hollow coring shaft extendable from the tool body, and a formation cutter disposed at a distal end of the hollow coring shaft. The coring tool includes a retention member segmented into a plurality of petals and disposed proximate a distal end of the internal shaft. An internal sleeve may be disposed inside the hollow coring shaft.

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