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How To Drill Into a Stud
If you know how to drill into a stud safely, they provide the perfect place — a veritable vertical freeway — to run pipes, ...
Xinhua22h
China completes drilling of Asia's deepest vertical well
BEIJING/URUMQI, Feb. 20 (Xinhua) -- China National Petroleum Corporation (CNPC) announced Thursday that it has completed the ...
China completes drilling of Asia's deepest vertical well in major breakthrough: report
China National Petroleum Corp announced on Thursday that it has completed the drilling of the deepest vertical well in Asia, ...