[1]谢 爽,罗君兰,窦 莲,等.塔河碳酸岩缝洞型油藏气水协同机理研究[J].复杂油气藏,2020,13(03):35-40.[doi:10.16181/j.cnki.fzyqc.2020.03.008]
 XIE Shuang,LUO Junlan,DOU Lian,et al.Study on gas-water synergy mechanism of fracture-vuggy carbonate reservoir in Tahe Oilfield[J].Complex Hydrocarbon Reservoirs,2020,13(03):35-40.[doi:10.16181/j.cnki.fzyqc.2020.03.008]
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塔河碳酸岩缝洞型油藏气水协同机理研究()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
13卷
期数:
2020年03期
页码:
35-40
栏目:
油气开发
出版日期:
2020-09-25

文章信息/Info

Title:
Study on gas-water synergy mechanism of fracture-vuggy carbonate reservoir in Tahe Oilfield
作者:
谢 爽 罗君兰窦 莲惠 健
中国石化西北油田分公司/中国石化碳酸盐岩缝洞型油藏提高采收率重点实验室,新疆 乌鲁木齐830011
Author(s):
XIE ShuangLUO JunlanDOU LianHUI Jian
Northwest Oilfield Branch of SINOPEC/SINOPEC Key Laboratory of Carbonate Fracture-Vuggy Reservoir EOR,Urumqi 830011,China
关键词:
缝洞型油藏气水协同机理研究数值模拟
Keywords:
fracture-vuggy reservoirgas-water synergymechanism studynumerical simulation.
分类号:
TE324
DOI:
10.16181/j.cnki.fzyqc.2020.03.008
文献标志码:
A
摘要:
为明确缝洞型油藏气水复合驱的作用机理,以便现场气驱选井及工作制度优化,利用数值模拟技术,通过建立符合实际油藏特征的机理模型,进行不同注气方案的模拟研究,并对气水协同的参数进行了优化。通过数值模拟研究,认为塔河缝洞型油藏储集空间以溶洞为主,重力分异作用明显,气水协同主要是利用油气密度差较油水密度差大的特性;注入气主要沿油藏顶部驱动阁楼油,注入水横向驱替底部的剩余油,气和水协同发挥作用,从而进一步扩大波及体积。结合现场应用情况和不同类型油藏储层特征,形成了气水协同的差异化井网构建原则。
Abstract:
In order to clarify the action mechanism of gas-water composite flooding in fracture-vuggy reservoirs,so as to facilitate on-site gas drive well selection and work system optimization,numerical simulation technology was used to establish a mechanism model that meets the characteristics of actual reservoir to conduct simulation studies of different gas injection schemes,and optimize the parameters of gas-water synergy.Through a numerical simulation study,it is recognized that the reservoir space of Tahe fracture-cavity reservoir is dominated by karst caves,and the gravity differentiation effect is obvious.Gas-water synergy is mainly based on the characteristics that the difference in oil and gas density is larger than that of oil and water.At the same time,it is considered that the injected gas mainly drives the attic oil along the top of the reservoir,and the injected water laterally displaces the remaining oil at the bottom,and the gas and water work together to further expand the swept volume.Combining with the field application and the characteristics of different types of oil reservoirs,a differential well pattern construction principle with gas-water synergy has been formed.

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备注/Memo

备注/Memo:
收稿日期:2020-04-20;改回日期:2020-06-16。第一作者简介:谢爽(1986—),女,硕士,工程师,现从事油藏地质建模、油藏数值模拟及提高采收率机理研究工作。E-mail:412340368@qq.com。基金项目:国家科技重大专项示范工程(2016ZX05053-010)和国家科技重大专项(2016ZX05014-004)联合资助。
更新日期/Last Update: 2020-09-30