大港油田板南深层区块沙三段断块岩性油气藏成藏特征
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摘要
大港油田板南深层区块为断块岩性油气藏,其中沙河街组三段沙三2 (Es_3~2)油组和沙三3(Es_3~3)油组是勘探开发的主要目的层。利用岩芯、录井和测井等资料,结合前人分析,认为该区域目的层为扇三角洲砂体沉积体系,发育水下分流河道、水下分流河道间、河口坝和滨浅湖沉积。目的层砂体物性较差,属于中低孔低渗储层,砂体自西北向东南逐渐减薄,总体上Es_3~3砂岩发育厚度和面积大于(Es_3~2),为一水进过程。油气分布主要受砂体展布控制,试油结果表明,产油量> 10 t/d的层位均为(Es_3~2),可作为主力产层,其中物性较好的西北部的水下分流河道和河口坝砂体为今后油气勘探的有利目标区。
Fault block-lithologic reservoirs are the main reservoir type in South-Banqiao sag of Dagang oilfield,in which (Es_3~2) and Es_3~3 of the third member of Shahejie Formation are the exploration and development targets in the deep block of South-Banqiao sag. Through the approches of cores observation,well log analyses and integration of previous studies,it is suggested that the target formations are mainly from fan delta sand bodies,which consist of underwater distributary channel,distributary bay,mouth bar and shallow lake. The reservoirs are dominated by moderate-low porosity and low permeability sand. The sand bodies get thinner from northwest to southeast.Both the sand body thickness and the spread of Es_3~3 sandstone is better than (Es_3~2) sandstone,indicating a transgression. The distribution of hydrocarbon is mainly controlled by sand body distribution. Oil production testing results indicate that wells with oil production greater than 10 t/d are from (Es_3~2) reservoir,which is the major hydrocarbon reservoir in the third member of Shahejie Formation. The underwater distributary channel and the mouth bar sand bodies in the northwest are the favorable targets of hydrocarbon exploration in the future.
Fault block-lithologic reservoirs are the main reservoir type in South-Banqiao sag of Dagang oilfield,in which (Es_3~2) and Es_3~3 of the third member of Shahejie Formation are the exploration and development targets in the deep block of South-Banqiao sag. Through the approches of cores observation,well log analyses and integration of previous studies,it is suggested that the target formations are mainly from fan delta sand bodies,which consist of underwater distributary channel,distributary bay,mouth bar and shallow lake. The reservoirs are dominated by moderate-low porosity and low permeability sand. The sand bodies get thinner from northwest to southeast.Both the sand body thickness and the spread of Es_3~3 sandstone is better than (Es_3~2) sandstone,indicating a transgression. The distribution of hydrocarbon is mainly controlled by sand body distribution. Oil production testing results indicate that wells with oil production greater than 10 t/d are from (Es_3~2) reservoir,which is the major hydrocarbon reservoir in the third member of Shahejie Formation. The underwater distributary channel and the mouth bar sand bodies in the northwest are the favorable targets of hydrocarbon exploration in the future.
引文
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[10]商晓飞,侯加根,孙福亭,等.砂质滩坝储集层内部结构特征及构型模式:以黄骅坳陷板桥油田古近系沙河街组为例[J].石油学报,2014,35(6):1160-1171.SHANG Xiao-fei,HOU Jia-gen,SUN Fu-ting,et al.Architectural characteristics and sedimentary models of beach-bar sandstone reservoirs:a case study of the Paleogene Shahejie Formation in Banqiao oilfield,Huanghua depression[J].Acta Petrolei Sinica,2014,35(6):1160-1171.
[11]李洪香,王昌丽,王国华,等.板桥次凹深层天然气成藏主控因素研究及认识[J].录井工程,2014,25(2):81-84,102.LI Hong-xiang,WANG Chang-li,WANG Guo-hua,et al.Study and cognition on main controlling factors of forming deep gas reservoirs in Banqiao Sub-sag[J].Mud Logging Engineering,2014,25(2):81-84,102.
[12]高勇,张连雪.板桥-北大港地区深层碎屑岩储集层特征及影响因素研究[J].石油勘探与开发,2001,28(2):36-39,109-118.GAO Yong,ZHANG Lian-xue.Characteristics of deep clastic reservoir in Banqiao-Beidagang area of Huanghua depression and their causing factors[J].Petroleum Exploration and Development,2001,28(2):36-39,109-118.
[13]徐梦瑶,程日辉,蒋飞.长春油田C区块双二段扇三角洲体系沉积微相类型与测井识别[J].世界地质,2017,36(1):155-165.XU Meng-yao,CHENG Ri-hui,JIANG Fei.Microfacies type and its logging identification of fan-delta system in the second member of Shuangyang Formation in Area-Cof Changchun oilfield[J].Global Geology,2017,36(1):155-165.
[14]姜在兴.沉积学[M].北京:石油工业出版,2003:59-86.JIANG Zai-xing.Sedimentology[M].Beijing:Petroleum Industry Press,2003:59-86.
[15]沈伟,方石,路建国,等.准噶尔盆地夏盐南部侏罗系三工河组沉积特征及其控制因素[J].世界地质,2018,37(2):507-517.SHEN Wei,FANG Shi,LU Jian-guo,et al.Sedimentary characteristics and its control factors of Jurassic Sangonghe Formation in southern Xiayan area,Junggar Basin[J].Global Geology,2018,37(2):507-517.
[16]王春连,侯中健,刘丽红.板桥-北大港地区沙三段重力流沉积特征研究[J].岩性油气藏,2009,21(3):45-49.WANG Chun-lian,HOU Zhong-jian,LIU Li-hong.Characteristics of gravity flow deposit of the third member of Shahejie Formation in Banqiao-Beidagang area[J].Lithologic Reservoirs,2009,21(3):45-49.
[17]陈纯芳,郑浚茂,王德发.板桥凹陷沙三段沉积体系与物源分析[J].古地理学报,2001,3(1):55-62.CHEN Chun-fang,ZHENG Jun-mao,WANG De-fa.Depositional systems and source provenance of the third member of Shahejie Formation in Banqiao sag[J].Journal of Palaeo-Geography,2001,3(1):55-62.
[18]程远忠,陈振银,李国江,等.大港油田板桥古潜山油气成藏条件探讨[J].江汉石油学院学报,2001,23(2):80-82.CHENG Yuan-zhong,CHEN Zhen-yin,LI-Guo-jiang,et al.Conditions of reservoir formation in Banqiao Buried Hill of Dagang oilfield[J].Journal of Jianghan Petroleum Institute,2001,23(2):80-82.
[19]陈纯芳,赵澄林,李会军.板桥和歧北凹陷沙河街组深层碎屑岩储层物性特征及其影响因素[J].石油大学学报(自然科学版),2002,26(1):4-7.CHEN Chun-fang,ZHAO Cheng-lin,LI Hui-jun.Physical properties of reservoir and influencing factors of deep burial clastic rocks in Banqiao-Qibei sag[J].Journal of China University of Petroleum(Natural Science),2002,26(1):4-7.
[20]宋璠,苏妮娜,李慧,等.板桥凹陷大张坨断裂带构造特征及其成藏模式[J].东北石油大学学报,2015,39(6):12-19,110.SONG Fan,SU Ni-na,LI Hui,et al.Structural characteristics and hydrocarbon accumulation model of Dazhangtuo fault belt in the Banqiao sag[J].Journal of Northeast Petroleum University,2015,39(6):12-19,110.
[21]苟波,郭建春.基于精细地质模型的大型压裂裂缝参数优化[J].石油与天然气地质,2013,34(6):809-815.GOU Bo,GUO Jian-chun.Fracture parameter optimization of large hydraulic fracturing based on the fine geological model[J].Oil&Gas Geology,2013,34(6):809-815.
[2]李绍光,王涛.中国石油地质志:卷四:大港油田[M].北京:石油工业出版社,1991:14-32.LI Sao-guang,WANG Tao.Petroleum geology of China(Vol.4):Dagang oil field[M].Beijing:Petroleum Industry Press,1991:14-32.
[3]张大德.大港油田开发若干问题的回顾与思考[M].北京:石油工业出版社,2002.ZHANG Da-de.Retrospect and ponderation Dagang oil field[M].Beijing:Petroleum Industry Press,2002.
[4]陈昭年,陈发景,周建生,等.黄骅坳陷中北区和歧口凹陷断裂构造特征及古应力分析[J].现代地质,1997,11(4):64-70.CHEN Zhao-nian,CHEN Fa-jing,ZHOU Jian-sheng,et al.Characteristics of faults and paleostress analysis in north and middle area of Huanghua Subbasin and Qikou depression[J].Geoscience,1997,11(4):64-70.
[5]严德天,王华,肖敦清,等.黄骅坳陷中部沙三段沉积体系分析[J].石油勘探与开发,2007,34(3):328-334.YAN De-tian,WANG Hua,XIAO Dun-qing,et al.Sedimentary systems of the third member of Shahejie Formation,central Huanghua depression[J].Petroleum Exploration and Development,2007,34(3):328-334.
[6]董艳蕾,朱筱敏,李洋,等.黄骅坳陷沙一段沉积体系研究[J].石油天然气学报,2011,33(4):1-6,164.DONG Yan-lei,ZHU Xiao-min,LI Yang,et al.Research on Es1 sedimentary system in Huanghua Depression[J].Journal of Oil and Gas Technology,2011,33(4):1-6,164.
[7]郭小文,何生,侯宇光.板桥凹陷沙三段油气生成、运移和聚集数值模拟[J].地球科学(中国地质大学学报),2010,35(1):115-124.GUO Xiao-wen,HE Sheng,HOU Yu-guang.Numerical simulation of petroleum generation,migration and accumulation of the Es3 Formation in Banqiao depression[J].Earth Science(Journal of China University of Geosciences),2010,35(1):115-124.
[8]马建英,刘萍,陈双清,等.板桥凹陷深层构造-地层特征研究及勘探潜力分析[J].天然气地球科学,2010,21(4):601-605.MA Jian-ying,LIU Ping,CHEN Shuang-qing,et al.Deep structural-stratigraphical feature and exploration potential in Banqiao sag[J].Natural Gas Geoscience,2010,21(4):601-605.
[9]宋璠,苏妮娜,侯加根,等.黄骅坳陷板桥油田板桥油层沉积特征及演化[J].石油与天然气地质,2012,33(6):914-922,943.SONG Fan,SU Ni-na,HOU Jia-gen,et al.Sedimentary characteristics and evolution of the Banqiao reservoir in Banqiao oilfield,Huanghua depression[J].Oil&Gas Geology,2012,33(6):914-922,943.
[10]商晓飞,侯加根,孙福亭,等.砂质滩坝储集层内部结构特征及构型模式:以黄骅坳陷板桥油田古近系沙河街组为例[J].石油学报,2014,35(6):1160-1171.SHANG Xiao-fei,HOU Jia-gen,SUN Fu-ting,et al.Architectural characteristics and sedimentary models of beach-bar sandstone reservoirs:a case study of the Paleogene Shahejie Formation in Banqiao oilfield,Huanghua depression[J].Acta Petrolei Sinica,2014,35(6):1160-1171.
[11]李洪香,王昌丽,王国华,等.板桥次凹深层天然气成藏主控因素研究及认识[J].录井工程,2014,25(2):81-84,102.LI Hong-xiang,WANG Chang-li,WANG Guo-hua,et al.Study and cognition on main controlling factors of forming deep gas reservoirs in Banqiao Sub-sag[J].Mud Logging Engineering,2014,25(2):81-84,102.
[12]高勇,张连雪.板桥-北大港地区深层碎屑岩储集层特征及影响因素研究[J].石油勘探与开发,2001,28(2):36-39,109-118.GAO Yong,ZHANG Lian-xue.Characteristics of deep clastic reservoir in Banqiao-Beidagang area of Huanghua depression and their causing factors[J].Petroleum Exploration and Development,2001,28(2):36-39,109-118.
[13]徐梦瑶,程日辉,蒋飞.长春油田C区块双二段扇三角洲体系沉积微相类型与测井识别[J].世界地质,2017,36(1):155-165.XU Meng-yao,CHENG Ri-hui,JIANG Fei.Microfacies type and its logging identification of fan-delta system in the second member of Shuangyang Formation in Area-Cof Changchun oilfield[J].Global Geology,2017,36(1):155-165.
[14]姜在兴.沉积学[M].北京:石油工业出版,2003:59-86.JIANG Zai-xing.Sedimentology[M].Beijing:Petroleum Industry Press,2003:59-86.
[15]沈伟,方石,路建国,等.准噶尔盆地夏盐南部侏罗系三工河组沉积特征及其控制因素[J].世界地质,2018,37(2):507-517.SHEN Wei,FANG Shi,LU Jian-guo,et al.Sedimentary characteristics and its control factors of Jurassic Sangonghe Formation in southern Xiayan area,Junggar Basin[J].Global Geology,2018,37(2):507-517.
[16]王春连,侯中健,刘丽红.板桥-北大港地区沙三段重力流沉积特征研究[J].岩性油气藏,2009,21(3):45-49.WANG Chun-lian,HOU Zhong-jian,LIU Li-hong.Characteristics of gravity flow deposit of the third member of Shahejie Formation in Banqiao-Beidagang area[J].Lithologic Reservoirs,2009,21(3):45-49.
[17]陈纯芳,郑浚茂,王德发.板桥凹陷沙三段沉积体系与物源分析[J].古地理学报,2001,3(1):55-62.CHEN Chun-fang,ZHENG Jun-mao,WANG De-fa.Depositional systems and source provenance of the third member of Shahejie Formation in Banqiao sag[J].Journal of Palaeo-Geography,2001,3(1):55-62.
[18]程远忠,陈振银,李国江,等.大港油田板桥古潜山油气成藏条件探讨[J].江汉石油学院学报,2001,23(2):80-82.CHENG Yuan-zhong,CHEN Zhen-yin,LI-Guo-jiang,et al.Conditions of reservoir formation in Banqiao Buried Hill of Dagang oilfield[J].Journal of Jianghan Petroleum Institute,2001,23(2):80-82.
[19]陈纯芳,赵澄林,李会军.板桥和歧北凹陷沙河街组深层碎屑岩储层物性特征及其影响因素[J].石油大学学报(自然科学版),2002,26(1):4-7.CHEN Chun-fang,ZHAO Cheng-lin,LI Hui-jun.Physical properties of reservoir and influencing factors of deep burial clastic rocks in Banqiao-Qibei sag[J].Journal of China University of Petroleum(Natural Science),2002,26(1):4-7.
[20]宋璠,苏妮娜,李慧,等.板桥凹陷大张坨断裂带构造特征及其成藏模式[J].东北石油大学学报,2015,39(6):12-19,110.SONG Fan,SU Ni-na,LI Hui,et al.Structural characteristics and hydrocarbon accumulation model of Dazhangtuo fault belt in the Banqiao sag[J].Journal of Northeast Petroleum University,2015,39(6):12-19,110.
[21]苟波,郭建春.基于精细地质模型的大型压裂裂缝参数优化[J].石油与天然气地质,2013,34(6):809-815.GOU Bo,GUO Jian-chun.Fracture parameter optimization of large hydraulic fracturing based on the fine geological model[J].Oil&Gas Geology,2013,34(6):809-815.
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