宋刚祥(1987-),男,湖北仙桃人,工程师,硕士,主要从事油气藏工程和数值模拟研究. E-mail:songgx5@cnooc.com.cn. |
收稿日期: 2019-06-30
修回日期: 2019-10-24
网络出版日期: 2020-06-17
基金资助
国家科技重大专项“东海厚层非均质性大型气田有效开发关键技术”(2016ZX05027-004)
中海石油总公司科技项目“西湖凹陷中深层河流相储层表征及剩余油气挖潜研究”(YXKY-2019-SH-01)
Study on dynamic diagnosis and equilibrium production technology for the gas condensate reservoir with bottom oil
Received date: 2019-06-30
Revised date: 2019-10-24
Online published: 2020-06-17
M油田为东海首次投入开发的带底油凝析气藏,该类油气藏具有复杂的驱动能量,其渗流机理、开发技术政策与常规油气藏存在本质区别。针对该类油气藏因气窜、油侵及水侵三元一体交互作用矛盾凸现,导致难以有效开发的难题,进行了增产技术研究,同时形成了三项创新技术:基于生产时变性的变气油比分相产量劈分方法;带底油水驱凝析气藏水驱油效率计算新方法;净驱动能量下动态驱油贡献指数预测技术。这些技术成果可为带气顶油藏或带底油的凝析气藏等同类复杂油气藏的开发提供重要的借鉴及技术支撑。
宋刚祥 , 陆嫣 , 丁芳 , 鞠颢 , 徐博 , 张锡楠 . 带底油凝析气藏动态诊断及均衡开采技术[J]. 天然气地球科学, 2020 , 31(6) : 890 -894 . DOI: 10.11764/j.issn.1672-1926.2019.10.002
M Oilfield is the first gas cap reservoir in the East China Sea, which has complex driving energy. Its seepage mechanism and development technology policy are essentially different from conventional reservoirs. Aiming at the difficult problem of effective development of this kind of reservoir due to the contradiction of gas channeling, oil invasion and water invasion, the technology of stimulation measures is studied. At the same time, three innovative technologies have been formed: splitting method of variable gas oil ratio phase production based on production time variability; a new method for calculating water displacement efficiency of water drive gas condensate reservoir with bottom oil; prediction technology of dynamic oil displacement contribution index under net driving energy. These technical achievements can provide important reference and technical support for the development of similar complex reservoirs such as gas capped reservoirs or condensate gas reservoirs with oil rings.
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