非均质油藏双水平井SAGD三维物理模拟

doi:10.7623/syxb201403016

石油学报 ›› 2014, Vol. 35 ›› Issue (3): 536-542.DOI: 10.7623/syxb201403016

非均质油藏双水平井SAGD三维物理模拟

李秀峦¹, 刘昊², 罗健¹, 江航¹, 王红庄¹

1. 中国石油勘探开发研究院提高石油采收率国家重点实验室北京 100083;
2. 东北石油大学提高石油采收率教育部重点实验室黑龙江大庆 163318

收稿日期:2013-10-27 修回日期:2014-01-22 出版日期:2014-05-25 发布日期:2014-04-11
通讯作者: 刘昊，男，1988年8月生，2011年获东北石油大学学士学位，现为东北石油大学油气田开发工程专业硕士研究生，主要从事热力采油提高采收率理论与技术研究。Email：gxmlxj@163.com
作者简介:李秀峦，女，1967年10月生，1990年毕业于西南石油学院，2006年获中国石油勘探开发研究院博士学位，现为中国石油勘探开发研究院热力采油研究所高级工程师，主要从事热力采油提高采收率理论与技术研究。Email：lixl@petrochina.com.cn
基金资助:
国家重大科技专项（2011ZX05012）资助。

3D physical simulation on dual horizontal well SAGD in heterogeneous reservoir

Li Xiuluan¹, Liu Hao², Luo Jian¹, Jiang Hang¹, Wang Hongzhuang¹

1. State Key Laboratory of Enhanced Oil Recovery, PetroChina Research Institute of Petroleum Exploration and Development, Beijing 100083, China;
2. Ministry of Education Key Laboratory of Enhanced Oil Recovery, Northeast Petroleum University, Daqing 163318, China

Received:2013-10-27 Revised:2014-01-22 Online:2014-05-25 Published:2014-04-11

摘要/Abstract

摘要：

为了改善双水平井SAGD开发过程受储层非均质性影响的问题，利用自主研发的双水平井双管柱结构三维比例物理模型和已有的注蒸汽三维模拟实验系统，研究了油藏非均质性对SAGD蒸汽腔展布的影响规律。研究结果表明：当储层存在平面非均质性时，双水平井SAGD在开发过程中存在蒸汽腔发育不均匀、水平段油藏动用程度较差等现象，影响了SAGD的开采效果；水平井采用双管柱结构可提高水平段油藏动用程度；合理的注采参数、有效的操作压力、较高的蒸汽干度以及稳定的生产井井底饱和温度与实际温度的差值控制均可有效改善开发效果。根据物理模拟实验的结果总结了双水平井SAGD生产各阶段的注采调控方法，将其应用于油田现场取得了较好的开发效果。

关键词: 蒸汽辅助重力泄油, 非均质油藏, 双水平井, 物理模拟, 蒸汽腔

Abstract:

The development process of dual horizontal well steam assisted gravity drainage (SAGD) is affected obviously by reservoir heterogeneity. The experiment of this paper is designed taking advantage of 3D physical simulation experimental system of SAGD available and independent research and development 3D heterogeneous physical model, along with dual horizontal well configuration of both injection and production. Influence of heterogeneity in the reservoir on expansion of SAGD steam chamber is summarized in this paper. The results show that the areal heterogeneity of reservoir causes fluctuation of SAGD steam chamber and poor development along horizontal section of the reservoir as a result of unsatisfactory effect on SAGD performance. The design of dual-well configuration contributes to the development along horizontal section of the reservoir. Reasonable optimizations of parameters in injector and producer,effective operating pressure, higher steam quality as well as stable Sub-cool control can effectively improve the uniform of steam chamber and development of SAGD performance. Summery of steam distribution in any injection and production period of dual horizontal well SAGD is done through the physical experiment. Satisfactory application is achieved in the field test.

Key words: steam assisted gravity drainage(SAGD), heterogeneous reservoir, dual horizontal well, physical simulation, steam chamber

中图分类号:

TE345

李秀峦, 刘昊, 罗健, 江航, 王红庄. 非均质油藏双水平井SAGD三维物理模拟[J]. 石油学报, 2014, 35(3): 536-542.

Li Xiuluan, Liu Hao, Luo Jian, Jiang Hang, Wang Hongzhuang. 3D physical simulation on dual horizontal well SAGD in heterogeneous reservoir[J]. ACTA PETROLEI SINICA, 2014, 35(3): 536-542.

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非均质油藏双水平井SAGD三维物理模拟

3D physical simulation on dual horizontal well SAGD in heterogeneous reservoir

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