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抽油机井环空测试技术,是在油井正常生产条件下,对安装偏心井口的抽油机井进行生产测试。是通过电缆将测试仪器从抽油机井油管和套管之间的环形空间下到油层中部,测得油井的地层参数,为油田动态分析提供可靠依据,是抽油井动态测井主要方法之一。然而,由于环空测井起下仪器的路径狭窄,还有油管接箍碰撞,故较油管或套管中起下困难。它不仅要求仪器直径不能过粗,同时还存在着人们烦恼的缠绕问题,施工难度较大。
Drilling oil well annulus test technology, is in the oil well under normal production conditions, the installation of eccentric wellhead pumping wells for production testing. It is one of the main methods of dynamic logging in pumping wells by testing the instrument down from the annular space between the tubing and the casing of the pumping well to the middle of the reservoir by cable. The formation parameters of the well are measured to provide a reliable basis for the dynamic analysis of the oil well. However, due to the narrow path of logging instruments in annulus logging and the collision of tubing couplings, it is more difficult than tubing or casing. It requires not only the diameter of the instrument can not be too coarse, but there are still people worry about the winding problem, the construction more difficult.