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柳泉油田泉2断块强水敏粉细砂岩储层防砂技术

wf(2016)

Cited 1|Views14
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Abstract
柳泉油田泉2断块储层岩性为粉细砂岩,油层薄、产量低、出砂严重,油井无法正常投产。针对断块低温、强水敏、水平井防砂井段长等难点,开展了长水平段高压砾石充填先期防砂工艺研究,设计了连续充填工艺管柱,并配套完善了完井液体系、射孔方案及携砂液体系,将防砂、治砂、改造储层相结合,开展了4口井的现场试验,取得了较好的应用效果。该项技术在泉2断块的成功应用,扭转了该薄层强水敏粉细砂岩油藏长期未能有效动用的被动局面,同时也为其他同类型油藏的开发提供了技术思路。
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Key words
strong water-sensitivity,slitstone,low temperature,sand control,horizontal well
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