oil drain opening

Based on statistic analysis of automatic-controlled oil drain device in Shuanghe exploring well, the key causes have been found out of leading to the oil drain device fault.

通过对双河油田开发井自控式泄油器故障的统计分析,找出了该种泄油器故障产生的主要原因。

Reservoir engineering method is adopted to calculate recovery indexes such as the horizontal well's limited recovery factors, well drainage area, reservoir limited recoverable reserves and water cut an.

应用油藏工程方法计算了水平井极限采收率、泄油面积和油藏极限可采储量、含水率等开发指标,其结果与数值模拟结果基本吻合。