防漏失与分层开采一体化工艺及工具研制

Oil Field Equipment(2018)

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Abstract
在油气田开采后期,面临着储层亏空、开发层系多等问题,出现储层易污染、增加修井难度等现象,影响了储层开采效率.探讨了地层防漏失和分层开采一体化工艺,研发了适用于此工艺的防漏失阀和分层开采丢手工具,实现了Y型生产管柱、防漏失阀及分层开采管柱一趟下入的新型工艺.试验表明,一体化工艺解决了生产管柱和防漏失阀一起下入的问题,提高了后期修井作业效率,缩短了返排时间,减少了储层污染.
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