E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
255/3, 255/71
E21B 10/48 (2006.01) E21B 10/56 (2006.01) E21B 10/60 (2006.01) E21B 25/00 (2006.01)
Patent
CA 1311743
IMPROVED METHOD AND APPARATUS FOR TAKING CORE SAMPLES ABSTRACT A coring apparatus which includes a drill bit and a receiving member. The drill bit includes discrete cutting elements for cutting the outer dimension of the core. The receiving member is adapted to lie proximate to the discrete cutting surfaces and to receive the core as it leaves the cutting surfaces. Additionally, drilling fluid is directed away from the cut core.
604892
Eastman Christensen Company
Gowling Lafleur Henderson Llp
LandOfFree
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