According to the international cluster drilling standards, the completion of the Well Xinqian 90-2 reaches the fifth level TAML standards.

按照国际分支井分级标准，新浅90— 2井分支井完井技术达到了TAML五级标准的分支井。

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The paper, based on shell theory, studies the surface cementing operation scheme without drilling rig during cluster drilling in SZ 36 -1 J Area in Bohai Sea.

本文应用板壳理论，对渤海绥中36—1 J 区丛式井表层无钻井时间固作业方案进行了研究。

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Surface pre-orienting drilling technology is employed for preventing wellbore from collision and channeling in CDXA Cluster Wells.

为防止井眼碰撞、窜槽现象的发生，CDXA井组采用了表层预定向钻井技术。

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In March 2003 Tinseltown darling Erin Brockovich filed a mass toxic tort claiming that drilling on the field had created air contaminants that caused a cancer cluster among students, teachers and residents.

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