Yuav ua li cas cov phom perforating ua haujlwm
Nyob rau hauv ib lub ntsiab lus, perforating tsim qhov nyob rau hauv lub wellbore casing thiab / los yog tubing, thiab tsim ib txoj kev (perforation tunnel), los ntawm lub casing, cement, thiab tshaj tsim puas. Qhov no tsim kev sib txuas lus ntawm hydrocarbon-cov kabmob tsim thiab lub qhov dej ...
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