济阳坳陷盆缘次生气藏输导模式
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摘要
断陷盆地内稠油油藏与浅层气藏存在伴生关系,超过50%的浅层气藏来自于稠油的生物降解过程,但对从稠油油藏到浅层气藏的运移过程研究较少。通过对稠油油藏到浅层气藏输导类型、分布规律及输导要素的解剖,建立了2种输导模式,明确了运移成藏规律。断陷盆地内发育侧向和垂向2种类型的输导模式。侧向型主要发育在盆缘高凸起带,浅层气藏分布于稠油油藏的侧上方,输导过程以侧向运移为主,垂向主要受断层沟通,同时也以扩散方式直接穿越盖层垂向运移;垂向型主要发育在盆内洼陷带和低凸起带,浅层气藏分布于稠油油藏的正上方,输导过程以断层沟通的垂向运移为主。
Heavy oil and gas have an association in a shallow fault basin reservoir. More than 50% of shallow gas reservoirs came from the biodegradation of heavy oil. However, there is little research on the migration process from the heavy oil reservoir to the shallow gas reservoir. Through the study of the carrier system type, distribution and elements of heavy oil and shallow gas reservoirs, two models were established, and the migration controls were clarified. There are two carrier system types: lateral and vertical. Lateral migration mainly developed in the high convex belt of the basin, and the shallow gas reservoir was distributed over the side of the heavy oil reservoir. The transmission process was dominated by lateral migration. Vertical migration also took place through diffusion along faults. Vertical migration mainly developed in the depression and low convection zone, and the shallow gas reservoir was located directly above the heavy oil reservoir. The transport process is dominated by vertical migration through faults.
Heavy oil and gas have an association in a shallow fault basin reservoir. More than 50% of shallow gas reservoirs came from the biodegradation of heavy oil. However, there is little research on the migration process from the heavy oil reservoir to the shallow gas reservoir. Through the study of the carrier system type, distribution and elements of heavy oil and shallow gas reservoirs, two models were established, and the migration controls were clarified. There are two carrier system types: lateral and vertical. Lateral migration mainly developed in the high convex belt of the basin, and the shallow gas reservoir was distributed over the side of the heavy oil reservoir. The transmission process was dominated by lateral migration. Vertical migration also took place through diffusion along faults. Vertical migration mainly developed in the depression and low convection zone, and the shallow gas reservoir was located directly above the heavy oil reservoir. The transport process is dominated by vertical migration through faults.
引文
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[18] 武云云,马立驰,杨贵丽,等.渤海湾盆地垦东地区新近系断裂特征及其控藏作用[J].石油实验地质,2017,39(1):65-70. WU Yunyun,MA Lichi,YANG Guili,et al.Fault characteristics and their controls on hydrocarbon accumulations in Neogene,Kendong area,Bohai Bay Basin[J].Petroleum Geology & Experiment,2017,39(1):65-70.
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[21] 张鹏,张金功,张亮,等.济阳坳陷渤南洼陷沙河街组二段多源供烃成藏模式[J].石油实验地质,2018,40(2):159-167. ZHANG Peng,ZHANG Jingong,ZHANG Liang,et al.Reservoir-forming pattern with multiple sources in second member of Shahejie Formation,Bonan Sag,Jiyang Depression,Bohai Bay Basin[J].Petroleum Geology & Experiment,2018,40(2):159-167.
[22] 孟涛,邱隆伟,王永诗,等.渤海湾盆地济阳坳陷三合村洼陷油气成藏研究[J].石油实验地质,2017,39(5):603-609. MENG Tao,QIU Longwei,WANG Yongshi,et al.Hydrocarbon accumulation in Sanhecun Sag,Jiyang Depression,Bohai Bay Basin[J].Petroleum Geology & Experiment,2017,39(5):603-609.
[2] 朱光有,金强,戴金星,等.东营凹陷油气成藏期次及其分布规律研究[J].石油与天然气地质,2004,25(2):209-215. ZHU Guangyou,JIN Qiang,DAI Jinxing,et al.A study on periods of hydrocarbon accumulation and distribution pattern of oil and gas pools in Dongying Depression[J].Oil & Gas Geology,2004,25(2):209-215.
[3] 张卫海,査明,曲江秀.油气输导体系的类型及配置关系[J].新疆石油地质,2003,24(2):118-120. ZHANG Weihai,ZHA Ming,QU Jiangxiu.The type and configuration of petroleum transportation system[J].Xinjiang Petroleum Geology,2003,24(2):118-120.
[4] 郝雪峰.东营凹陷输导体系及其控藏模式研究[D].杭州:浙江大学,2006:1-70. HAO Xuefeng.Conduit systems & reservoir controlled model searching in Dongying Depression[D].Hangzhou:Zhejiang University,2006:1-70.
[5] 张善文,王永诗,姜素华,等.网毯式油气成藏体系仓储层运移机理研究[J].中国海洋大学学报,2009,39(3):476-482. ZHANG Shanwen,WANG Yongshi,JIANG Suhua,et al.Study on oil migration mechanism in storage layer of meshwork-carpet type hydrocarbon reservoir system[J].Periodical of Ocean University of China,2009,39(3):476-482.
[6] 宋国奇.陆相断陷盆地断—拗转换体系与地层超覆油藏“T-S”控藏模式:以济阳坳陷第三系为例[J].地质学报,2007,81(9):1209-1214. SONG Guoqi.Fault-depression transformation system and“T-S”control reservoir mode of stratigraphic overlap pool:an example from Jiyang Depression[J].Acta Geologica Sinica,2007,81(9):1209-1214.
[7] 张善文.成岩过程中的“耗水作用”及其石油地质意义[J].沉积学报,2007,25(5):701-707. ZHANG Shanwen.“Water consumption” in diagenetic stage and its petroleum geological significance[J].Acta Sedimentologica Sinica,2007,25(5):701-707.
[8] 张善文.再论“压吸充注”油气成藏模式[J].石油勘探与开发,2014,41(1):37-44. ZHANG Shanwen.Re-discussion on the reservoir formation by pressure-suck filling[J].Petroleum Exploration and Development,2014,41(1):37-44.
[9] 王兴谋,张云银,张明振,等.关于济阳坳陷浅层气藏与稠油油藏联合勘探的思考[J].油气地质与采收率,2014,21(5):14-17. WANG Xingmou,ZHANG Yunyin,ZHANG Mingzhen,et al.An approach of exploring shallow gas and heavy oil in Jiyang Depression based on their paragenetic relationship[J].Petro-leum Geology and Recovery Efficiency,2014,21(5):14-17.
[10] 王兴谋,刘士忠,张云银,等.济阳坳陷浅层次生气藏与稠油油藏的关系[J].油气地质与采收率,2015,22(6):36-40. WANG Xingmou,LIU Shizhong,ZHANG Yunyin,et al.Discussion on the relationship between shallow secondary gas reservoir and heavy oil reservoir in Jiyang Depression[J].Petroleum Geology and Recovery Efficiency,2015,22(6):36-40.
[11] 王政军,朱光有,王政国,等.原油降解气的形成条件及其特征[J].天然气工业,2008,28(11):29-33. WANG Zhengjun,ZHU Guangyou,WANG Zhengguo,et al.Characteristics of oil-biodegradation gas and their discriminant index system[J].Natural Gas Industry,2008,28(11):29-33.
[12] 高阳,金强,帅燕华,等.渤海湾盆地生物气成因类型与成藏条件[J].天然气地球科学,2011,22(3):407-414. GAO Yang,JIN Qiang,SHUAI Yanhua,et al.Genetic types and accumulation conditions of biogas in Bohaiwan Basin[J].Natural Gas Geoscience,2011,22(3):407-414.
[13] 张林晔,李学田.济阳坳陷滨海地区浅层天然气成因[J].石油勘探与开发,1990,17(1):1-7. ZHANG Linye,LI Xuetian.The origin of nature gas in the shallow reservoir in Binhai area in Jiyang Depression[J].Petroleum Exploration and Development,1990,17(1):1-7.
[14] 张林.济阳坳陷变换构造及其油气地质意义[D].青岛:中国石油大学(华东),2012:1-50. ZHANG Lin.Transfer structure and its petroleum significance of Jiyang Depression[D].Qingdao:China University of Petroleum (East China),2012:1-50.
[15] 杨超,陈清华,吕洪波,等.济阳坳陷晚古生代—中生代构造演化特点[J].石油学报,2008,29(6):859-864. YANG Chao,CHEN Qinghua,Lü Hongbo,et al.Late Paleozoic-Mesozoic tectonic evolution features in Jiyang Depression[J].Acta Petrolei Sinica,2008,29(6):859-864.
[16] 宋国奇,宁方兴,郝雪峰,等.骨架砂体输导能力量化评价:以东营凹陷南斜坡东段为例[J].油气地质与采收率,2012,19(1):4-6. SONG Guoqi,NING Fangxing,HAO Xuefeng,et al.Study on quantitative evaluation of sandbody framework transporting capacity case of southern slope of Dongying Sag[J].Petroleum Geology and Recovery Efficiency,2012,19(1):4-6.
[17] 罗晓容,雷裕红,张立宽,等.油气运移输导层研究及量化表征方法[J].石油学报,2012,33(3):428-436. LUO Xiaorong,LEI Yuhong,ZHANG Likuan,et al.Characterization of carrier formation for hydrocarbon migration:concepts and approaches[J].Acta Petrolei Sinica,2012,33(3):428-436.
[18] 武云云,马立驰,杨贵丽,等.渤海湾盆地垦东地区新近系断裂特征及其控藏作用[J].石油实验地质,2017,39(1):65-70. WU Yunyun,MA Lichi,YANG Guili,et al.Fault characteristics and their controls on hydrocarbon accumulations in Neogene,Kendong area,Bohai Bay Basin[J].Petroleum Geology & Experiment,2017,39(1):65-70.
[19] 程有义,郭瑾,宋来亮.济阳坳陷浅层天然气勘探方向[J].天然气工业,1997,17(1):6-11. CHENG Youyi,GUO Jin,SONG Lailiang.Shallow gas exploration direction in Jiyang Depression[J].Natural Gas Industry,1997,17(1):6-11.
[20] 郝石生,黄志龙,杨家琦.天然气运聚动平衡及其应用[M].北京:石油工业出版社,1994. HAO Shisheng,HUANG Zhilong,YANG Jiaqi.Dynamic balance between migration and accumulation[J].Beijing:Petroleum Industry Press,1994.
[21] 张鹏,张金功,张亮,等.济阳坳陷渤南洼陷沙河街组二段多源供烃成藏模式[J].石油实验地质,2018,40(2):159-167. ZHANG Peng,ZHANG Jingong,ZHANG Liang,et al.Reservoir-forming pattern with multiple sources in second member of Shahejie Formation,Bonan Sag,Jiyang Depression,Bohai Bay Basin[J].Petroleum Geology & Experiment,2018,40(2):159-167.
[22] 孟涛,邱隆伟,王永诗,等.渤海湾盆地济阳坳陷三合村洼陷油气成藏研究[J].石油实验地质,2017,39(5):603-609. MENG Tao,QIU Longwei,WANG Yongshi,et al.Hydrocarbon accumulation in Sanhecun Sag,Jiyang Depression,Bohai Bay Basin[J].Petroleum Geology & Experiment,2017,39(5):603-609.