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@drillingKellybar 2 жыл бұрын
Hello Sir. Nice to know you. . We produce all kinds of drilling Kelly bars ,drilling buckets ,drilling casings ,drilling augers and spares parts . Hope someday we could cooperate
@ssumerian 4 жыл бұрын
بالتوفيق
@epistte 6 жыл бұрын
How is a drill bit changed when drilling while casing?
@deactivee-mail1005 5 жыл бұрын
After the section has been drilled successfully, the bit is milled away.
@mohammedabdulla5056 Жыл бұрын
The name itself says drillable bits. Once the casing has been placed then the smaller casing drillable bit will be milled through it
@حيدريزنالعراقي 8 жыл бұрын
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