Atlas Copco has announced a reverse circulation kit for its DM45 and 50 blasthole drills enabling them to provide samples from blastholes as they drill as an aid to grade control. · 11 Jun 2013 10:16 ...
EnCana Corp. had a new rig built for reverse-circulation airlift drilling to prevent lost-circulation through thick, fractured, vuggy basalts. Encana was faced with drilling Miocene basalt sections as ...
Reverse circulation drilling technology has yielded commercial gas flows from the shallow Cretaceous Bow Island formation 57-100% higher than rotary air drilled wells, said K2 Energy Corp., Calgary.
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