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    • 10. 发明授权
    • Wellbore completion design to naturally separate water and solids from oil and gas
    • 井筒完井设计,可自然分离油和天然气中的水分和固体
    • US07370701B2
    • 2008-05-13
    • US10881223
    • 2004-06-30
    • Jim B. SurjaatmadjaBilly W. McDaniel
    • Jim B. SurjaatmadjaBilly W. McDaniel
    • E21B43/38
    • E21B43/305E21B43/38
    • A wellbore completion design is provided, which creates a convective flow action that separates water and sand from hydrocarbons during production of the hydrocarbons from a subterranean formation. A deviated section of the wellbore creates the desired effect. The wellbore completion design may include a secondary bore, which intersects the deviated section of the wellbore at an acute angle, to accumulate the separated water and sand. An injection pump disposed in the toe section of the secondary bore can also be employed to pump the water back into the water containing portion of the subterranean formation. If solids are present in more than trace amounts, the toe section of the secondary bore may be formed at an acute angle to the remaining portion of the secondary bore to prevent blockage of the pump. Alternatively, a tertiary bore may be provided, so that the solids can accumulate in the secondary bore and the water can flow into the tertiary bore.
    • 提供井筒完井设计,其产生在从地下地层生产烃期间将水和砂与碳氢化合物分离的对流流动作用。 井筒的偏离部分产生了预期的效果。 井筒完井设计可以包括二次孔,其以锐角与井筒的偏离段相交,以积聚分离的水和砂。 设置在次级孔的脚趾部分中的注射泵也可用于将水泵送回地下地层的含水部分。 如果固体以超过痕量的量存在,次级孔的脚趾部分可以形成为与次级孔的剩余部分成锐角,以防止泵的堵塞。 或者,可以提供三孔,使得固体可以积聚在次级孔中,并且水可以流入第三孔。