
2017年10月 s96
大庆石油地质与开发
Petroleum Geology and Oilfield Development in Daqing
DOI10.19597/J.ISSN.1000-3754.201706060
低渗透裂缝型油田周期注水参数优化
隆锋
(大庆油田有限责任公司方兴油田,黑龙江大庆163416)
Oct.,2017 Vol. 36 No. 5
摘要:针对大庆外围低渗透裂缝型茂Z油田储集层物性差,部分裂缝发育井区裂缝性见水、基质受效差,层间、平面矛盾突出等问题,在前期周期注水试验取得较好开发效果的基础上,开展了周期注水参数优化研究。采用相控方法建立精细三维地质模型和数值模型,优化间注方式、间注时间和注水强度,并依据参数优化结果开展矿场试验。试验并区控水增油效果明显,预计提高采收率1.2百分点以上,研究结果为低渗透裂缝型油蒙的经济有效开发提供了技术手段。
关键调:低渗透油层;裂缝发育;周期注水;数值模拟;参数优化
文章编号:1000-3754(2017)05-0114-05
中图分类号:TE348
文献标识码:A
PARAMETEROPTIMIZATIONOFTHECYCLICWATERFLOODINGFOR
THELOW-PERMEABILITYFRACTUREDOILFIELD
LONG Feng
(FangxingOilfield ofDaqingOilfield CoLtd.,Daqing163416,China)
Abstract : In view of poor reservoir physical properties of low-permeability fractured Mao Z Oilfield in Daqing pe-ripheral area, the partial well-developed fractured well blocks are characterized by the fracture water, poor matrix effects, interlayer & planar contradictions and so on, on the basis of the obtained much better development effects of the previous cyclic water flooding test, the optimization of the cyclic waterflooding parameters was conducted. With the help of the phase controlling method, the fine 3D geological and numerical models were established, thus the discontinuous water injection pattems, time and intensities were optimized, and moreover according to the re-sults of the parameter optimization, the field test was carried out. The obvious water-control and oil-increment effects have achieved for the test well block, more than 1. 2 percentage recovery factor is expected, thus the study achievements have provided the technical means for the economically effective development of low-permeability frac. tured oil reservoirs.
Key words: low-permeability oil reservoir; well-developed fracture; cyclic water flooding; numerical simulation; parameter optimization
茂Z油田2003年注水开发,受储集层物性差、
收稿日期:2017-06-28
改回日期:2017-08-08
裂缝发育影响,部分井区注人水单层突进、低效无
基金项目:中国石油天然气股份有限公司重大专项“大庆外围低渗透油田有效开发配套技术”(2011E-1213)。作者简介:隆锋,男,1976年生,工程师,硕士,从事低渗透油藏开发研究。
E-mail:Iflikeyu@126.com
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