稠油油藏注蒸汽储层伤害机理及调整措施

doi:10.7623/syxb200904013

石油学报 ›› 2009, Vol. 30 ›› Issue (4): 555-559.DOI: 10.7623/syxb200904013

稠油油藏注蒸汽储层伤害机理及调整措施

王红涛¹, 庞占喜^2,3, 刘大锰⁴, 王润好⁵, 崔连训⁵

1. 中国石油天然气勘探开发公司, 北京, 100034;
2. 中国石油大学石油工程教育部重点实验室, 北京, 102249;
3. 辽河油田博士后科研, 工作站, 辽宁盘锦, 124010;
4. 中国地质大学能源学院, 北京, 100083;
5. 河南油田石油勘探开发研究院, 河南南阳, 473132

收稿日期:2008-10-27 修回日期:2008-12-29 出版日期:2009-07-25 发布日期:2010-05-21
作者简介:王红涛,男,1975年1月生,2009年获中国地质大学(北京)博士学位,现在中国石油天然气勘探开发公司工作,主要从事稠油油气藏开发和储层精细描述研究.E-mail:etcwanght@163.com
基金资助:
教育部新世纪优秀人才资助项目(NCET-06-0089)"高含水油田热力采油技术提高采收率渗流理论及开发对策研究"资助.

Formation damage mechanism and controlling measures for heavy oil reservoir of steam injection

WANG Hongtao¹, PANG Zhanxi^2,3, LIU Dameng⁴, WANG Runhao⁵, CUI Lianxun⁵

1. China National Oil and Gas Exploration and Development Corporation, Beijing 100034, China;
2. Key Laboratory for Petroleum Engineering of the Ministry of Education, China University of Petroleum, Beijing 102249, China;
3. Research Center of Post-doctor, PetroChina Liaohe Oilfield Company, Panjin 124010, China;
4. School of Energy Resources, China University of Geosciences, Beijing 100083, China;
5. Research Institute of Petroleum Exploration and Development, Sinopec Henan Oilfield Company, Nanyang 473132, China

Received:2008-10-27 Revised:2008-12-29 Online:2009-07-25 Published:2010-05-21

摘要/Abstract

摘要： 对河南油田稠油油藏地质特征和开发现状进行了分析,利用高温物理模拟实验研究了注蒸汽过程中岩石颗粒的溶解、黏土矿物的溶解及转化、新生矿物的生成、结垢沉淀的产生和注蒸汽后沥青沉积及原油组成的变化引起的储层物性变化。运用铸体和扫描电镜方法,研究了注蒸汽后储层孔隙结构变化特征和物性参数变化规律。在此基础上,分析了稠油油藏注蒸汽过程中的储层伤害机理。根据储层注蒸汽前后物性变化规律提出了治理储层伤害和改善开发效果的技术对策。自2000至2002年,应用治理储层伤害技术对策后,热采区块开发后期累计增油9.4138×10⁴t,累计油汽比达到了0.36,增油效果显著。

关键词: 稠油油藏, 注蒸汽, 储层物性, 黏土矿物, 沥青沉积, 储层保护

Abstract: The geological characteristics and development process of heavy oil reservoirs in Henan Oilfield were analyzed.The variations of reservoir properties at high temperature were simulated due to dissolution of rock grains,dissolution and transformation of clay minerals,scaling and precipitation of neogenic minerals,asphalt deposition,and variation of oil components during steam injection.The casting-sample micrograph and scanning electron micrograph were utilized to study the variations of pore structures and reservoir properties after steam injection in the heavy oil reservoirs of Henan Oilfield.The mechanisms of formation damage were investigated according to the experimental results.Some measures for controlling formation damage and improving development effectiveness of reservoirs were proposed according to the variations of reservoir properties before and after steam injection in heavy oil reservoirs.During the application of controlling formation damage technology from 2000 to 2002,the good technical and economic effects have been achieved.The accumulative increment of oil is 9.413 8×10⁴ t,and the accumulative oil-steam ratio is 0.36.

Key words: heavy oil reservoir, steam injection, reservoir property, clay mineral, asphalt deposition, formation protection

中图分类号:

TE353.3

王红涛, 庞占喜, 刘大锰, 王润好, 崔连训. 稠油油藏注蒸汽储层伤害机理及调整措施[J]. 石油学报, 2009, 30(4): 555-559.

WANG Hongtao, PANG Zhanxi, LIU Dameng, WANG Runhao, CUI Lianxun. Formation damage mechanism and controlling measures for heavy oil reservoir of steam injection[J]. Editorial office of ACTA PETROLEI SINICA, 2009, 30(4): 555-559.

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稠油油藏注蒸汽储层伤害机理及调整措施

Formation damage mechanism and controlling measures for heavy oil reservoir of steam injection

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