| 前置酸压裂技术在低渗透油田中的研究与应用 |
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| 引用本文： | 何鹏,刘寒梅,李向东,胡雪娇,周玉波.前置酸压裂技术在低渗透油田中的研究与应用[J].延安大学学报(自然科学版),2013(2):78-80,85. |
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| 作者姓名： | 何鹏 刘寒梅 李向东 胡雪娇 周玉波 |
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| 作者单位： | 西安石油大学;延长油田股份有限公司靖边采油厂 |
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| 摘 要： | 鄂尔多斯盆地石油开发已步入攻坚啃硬阶段,随着石油勘探开发的不断深入,油田增储上产速度不断加快,致密储层资源量所占比例越来越大。对于采取常规水力压裂改造后的油井,日产量偏低、稳产期短。前置酸压裂技术可以改善井筒、裂缝与地层之间的渗流条件,达到提高单井产量的目的,是油田油井储层改造的新技术。为了证明前置酸压裂技术的增产效果,在靖边油田选取了三口长6储层试验井,并进行了现场试验,实验结果表明该技术可以在低渗透油田中应用且增产效果明显。
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| 关 键 词： | 前置酸压裂 低渗透 油田 研究与应用 |
Research and Application of the Pre-positioned Acid Fracturing Technology in Low Permeability Oilfield |
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| Institution: | HE PENG 1,2,LIU Han-mei 2,LI Xiang-dong 2,HU Xue-jiao 2,ZHON Yu-bo 2(1.Xian Shiyou University,Xian,710065;2.Yan Chang Oil Field Co.,Ltd.Jing Bian oil Extraction Factory,jingbian,718500,China) |
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| Abstract: | The development of Ordos basin has entered a more difficult period, under which the predominant re- serves are now in the tight zone. Wells employing normal hydraulic fracturing are facing problems like low oil rate and short plateau. Pre - positioned acid fracturing can help solve the problem for it could improve the seepage con- dition between wellbore, frac and formation. In order to prove the effect of this new technology, 3 wells in Jingbian oil field employed the pre -positioned acid fracturing in Chang6 reservoir and the results show that this technology can well increase production in low permeability reservoir. |
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| Keywords: | the pre -positioned acid fracturing low permeability the oilfield research and application |
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