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an sai you tian zhong gao han shui qi you jing zhong fu ya lie ji shu yan jiu yu ying yong
Author(s): 
Pages: 74-76
Year: Issue:  2
Journal: PETROLEUM GEOLOGY AND ENGINEERING

Keyword:  安塞油田缝内转向重复压裂转向剂压裂液;
Abstract: 从2000年以来,以缝内转向压裂工艺为主的重复压裂技术已经成为安塞油田油井重复改造的主要措施,其有效率迭94.3%,平均单井日增油达1.4 t以上,取得了较好的增产效果.近两年来,安塞油田部分油井进入了中高含水期开发阶段,通过对油井储层物性、见水特征、初期改造参数、剩余油分布及选井选层、压裂液选择和施工参数优化等方面进行研究,确定了适合安塞油田中高含水期油井重复压裂的工艺技术.通过12口井的现场应用,取得了明显的"控水增油"效果.
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