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天然气工业 1996
applicationofseparableperforating-fracturingcombinedbullettothetestofoilandgaswells, PP. 114-116 Abstract: ？alongwiththeprogressofthetechniqueofoil-gasfielddevelopment,anattentionisgenerallypaidtotheformationdamagebydrillingandwellcementinginprocessofwellcompletion.intheendof1980s,thepetroleumenterpriseshaveintroducedtheperforatingbulletsfromschlumbergerandhalliburton,co.
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