Lost circulation is often happened during drilling in multi - fracture formation.

井漏是多裂缝地层钻井作业中经常发生的复杂情况之一.

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Therefore lost circulation has always been an urgent technical problem in the process of well drilling.

所以,井漏一直是钻井工作中亟需解决的技术难题.

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It is a good choice to add SAP to drilling fluids to lost circulation zones.

把高吸水树脂加到钻井液中,用于堵漏是很好的选择.

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Therefore lost circulation has always been an urgently solved technical problem in the process of drilling.

所以,井漏一直是钻井上作中亟需解决的技术难题.

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Mao east area frequently takes place sloughing hole , pipe - stuck, lost circulation in drilling operation.

鄚东地区钻井过程中经常发生垮塌 、 卡钻 、 井漏等复杂事故.

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