跨隔压裂层与水力泵返排联作工艺的开发与应用

Oil Field Equipment(2007)

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Abstract
针对大庆油田海拉尔地区部分井试完一层油后,上返压裂第2层时,不下桥塞封闭已试层,直接利用水力泵求产管串中的封隔器暂时封闭已试层,进行上部压裂层排液求产存在砂卡管柱的问题,开发了跨隔压裂层与水力泵返排联作工艺,并研制了和该工艺管柱配套使用的短型水力喷射泵,优选了跨隔用封隔器。经现场应用表明,该施工工艺在缩短施工周期的同时,实现了封层、求产一体化施工,避免了砂卡现象,操作过程安全、可靠。
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short hydraulic jet pump,application,development,straddle combination string,straddle packer
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