E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 29/06 (2006.01) B23C 5/00 (2006.01)
Patent
CA 2534883
A pilot mill for milling and breaking a core has a mill head structure and a core breaking mechanism with a core passage and a breaking mechanism. The core breaking mechanism is located within the mill head structure. A method for milling using the pilot mill includes the steps of rotating the pilot mill, receiving a core of non-milled surface within the core passage and breaking the core of non-milled surface with the breaking mechanism.
Brockman Mark W.
Koptilov Platon
Ohmer Herve
Vuyk Adrian
Schlumberger Canada Limited
Schlumberger Technology Corporation
Smart & Biggar
LandOfFree
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