|本期目录/Table of Contents|

[1]常象春,孙婷婷,王悦,等.水驱原油组分蚀变的地球化学响应及控制因素[J].地球科学与环境学报,2017,39(06):807-825.
　CHANG Xiang-chun,SUN Ting-ting,WANG Yue,et al.Geochemical Alteration of Waterflooded Oils and the Controlling Factors[J].Journal of Earth Sciences and Environment,2017,39(06):807-825.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第39卷
期数:
2017年第06期
页码:
807-825
栏目:
基础地质与矿产地质
出版日期:
2017-11-15

文章信息/Info

Title:
Geochemical Alteration of Waterflooded Oils and the Controlling Factors
文章编号:
1672-6561(2017)06-0807-19
作者:
常象春; 孙婷婷; 王悦; 王涛; 崔晶
1.山东科技大学 地球科学与工程学院，山东 青岛 266590； 2.青岛海洋科学与技术国家实验室 海洋矿产资源评价与探测技术国家功能实验室，山东 青岛 266071； 3.中国石化胜利油田分公司鲁明公司，山东 东营 257001
Author(s):
CHANG Xiang-chun;  SUN Ting-ting;  WANG Yue;  WANG Tao;  CUI Jing
1. College of Earth Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, Shandong, China; 2. Laboratory for Marine Mineral Resources, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266071, Shandong, China; 3. Luming Branch, Shengli Oilfield Company, SINOPEC, Dongying 257001, Shandong, China
关键词:
油藏地球化学; 水驱油; 水洗作用; 生物降解作用; 储层润湿性; 色层效应; 组分蚀变; 控制因素
Keywords:
reservoir geochemistry;  waterflooded oil;  water washing;  biodegradation;  reservoir wettability;  geo-chromatography;  compositional alteration;  controlling factor
分类号:
P618.13;TE122.1
DOI:
-
文献标志码:
A
摘要:
注水开发是常用的提高采收率技术，水驱油过程中注入水、原油、储层矿物的长期接触，以及油-水-岩相互作用引起的原油组分蚀变，成为油藏地球化学研究的热点。结合实验室物理模拟和实例监测研究，总结了水驱原油物性、族组成、饱和烃生物标志物、芳烃生物标志物、全油和馏分碳同位素的变化特征。从注水开发过程中水洗作用、生物降解作用、地质色层作用、储层特征差异及润湿性变化等控制因素的角度，评述了各自对原油组分的影响机制和蚀变趋势。考虑到水驱过程中蚀变因素与原油流动间的复杂联系，提出要充分发挥全二维气相色谱-飞行时间质谱精细表征原油组分，核磁共振技术测定原位储层润湿性，物理模拟实验与生产动态监测科学结合确定蚀变综合效应，重点解决浅层油藏中生物降解与水洗作用的叠加效应、水驱油过程中储层润湿性反转节点、水驱油的微观过程和原油组分的动态变化等关键问题。
Abstract:
Waterflooding is one of the most commonly used methods for enhancing oil recovery. Due to the long-term contact of injected water, crude oil and reservoir rock during the water flooding oil process, the interaction of oil-water-rock may cause oil compositional modification, which becomes the research focus of reservoir geochemistry. Combined with the results of the laboratory modeling and case study, the dynamic variation of oil property, bulk composition, saturate biomarkers, aromatic biomarkers, carbon isotopes of whole oil and oil fractions were summarized. The affecting mechanism and altering yields of water washing, biodegradation, geo-chromatography, different reservoir characteristics and wettability on the oil compositions during the process of water flooding were comprehensively reviewed. Allowing for the complex relation between those controlling factors and the waterflooded oil flow, three critical issues, such as distinguishing the superimposed effects of biodegradation and water washing in shallow waterflooded oil reservoir, defining the key points for the inversion of reservoir rock wettability, depicting the microscopic process of water flooding and changing regularity of oil composition were proposed to be preferentially resolved, coupled with three techniques including the characterization of oil composition by comprehensive two-dimensional gas chromatography/time-of-flight mass spectrometer, the quantitation of the in-situ reservoir wettability by nuclear magnetic resonance, the evaluation of the altering effect by the association of physical simulation experiment and dynamic production surveillance.

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备注/Memo

备注/Memo:
收稿日期:2017-09-20
基金项目:国家自然科学基金项目(41772120);山东省自然科学杰出青年基金项目(JQ201311);青岛海洋科学与技术国家实验室鳌山科技创新计划项目(2016ASKJ13)
作者简介:常象春(1974-),男,陕西绥德人,山东科技大学教授,博士研究生导师,工学博士,E-mail:xcchang@sudst.edu.cn。
更新日期/Last Update: 2017-12-15