Abstract Recently, a good news came from the Yuanlu 30 well in northeastern Sichuan. The impregnated diamond drill bit developed by Shengli Oilfield Drilling Institute was successfully applied in the...
The diamond drill is not only used for a long time, but also can be reused. The diamond drill that is returned to the factory is similar to the diamond drill used at the factory, and it can save a...
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