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.

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 ...

VANCOUVER, BC, May 21, 2025 /CNW/ - North Arrow Minerals Inc. (TSXV: NAR) ("North Arrow" or the "Company") is pleased announce the start of a three-month, reverse-circulation (RC) drill sampling ...

The project includes drilling at the Mt Olympus Deposit using both RC and diamond drilling techniques.

Three-month RC drilling campaign comprising up to 220 RC holes has commenced – designed to collect regional base of Kalahari overburden samples and test approximately 16 priority bedrock targets. High ...