岔路河断陷万昌—梁家构造带万昌组沉积相和油气成藏特征
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摘要
万昌构造带和梁家构造带是岔路河断陷的两个重要油气聚集带,在形成演化过程中,万昌构造带受到东南缘控盆断裂的控制,而梁家构造带受Ⅱ号断层的控制,导致了砂体的沉积相差异。岩心、测井和地震资料研究表明,浅层万昌组地层中,万昌构造带主要发育扇三角洲砂体,梁家构造带主要发育水下扇砂体,砂体的连续性和储集物性较好,尤其是离物源较近的分流河道和辫状沟道砂体的孔渗较高,深层双阳组、奢岭组、永吉组发育较好的烃源岩,控盆断裂及其衍生的一系列断层有助于油气的运移和封闭,油气成藏条件较好。
Wanchang and Liangjia structural belts are the important hydrocarbon accumulation zones in Chaluhe faulted depression,controlled by different structures in the process of formation and evolution.The Wanchang structural belt is controlled by the basin-controlled fault in southeastern margin,while the Liangjia structural belt is controlled by the No.2 fault,which led to different sand facies.According to drilling core,well-logging and seismic data,the fan delta in Wanchang structural belt and underwater fan deposits in Liangjia structural belt are the domain sandstone sediments in shallow Wanchang Formation.The continuity and physical property of sand bodies in Wanchang Formation are good,especially,the distributary channel and braided channel sand near to provenance have higher porosity and permeability.The source rocks are well developed in Shuangyang-,Sheling-and Yongji formations.Basin-controlled faults and their derivative faults help the hydrocarbon migration and sealing.Therefore,the hydrocarbon accumulation are great in conditions.
Wanchang and Liangjia structural belts are the important hydrocarbon accumulation zones in Chaluhe faulted depression,controlled by different structures in the process of formation and evolution.The Wanchang structural belt is controlled by the basin-controlled fault in southeastern margin,while the Liangjia structural belt is controlled by the No.2 fault,which led to different sand facies.According to drilling core,well-logging and seismic data,the fan delta in Wanchang structural belt and underwater fan deposits in Liangjia structural belt are the domain sandstone sediments in shallow Wanchang Formation.The continuity and physical property of sand bodies in Wanchang Formation are good,especially,the distributary channel and braided channel sand near to provenance have higher porosity and permeability.The source rocks are well developed in Shuangyang-,Sheling-and Yongji formations.Basin-controlled faults and their derivative faults help the hydrocarbon migration and sealing.Therefore,the hydrocarbon accumulation are great in conditions.
引文
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[2]王剑,徐翔军,陈秀艳,等.伊通地堑岔路河断陷南段构造-沉积特征与油气藏类型[J].世界地质,2007,26(2):240-244.WANG Jian,XU Xiang-jun,CHEN Xiu-yan,et al.Structural and sedimentary features and types of hydrocar-bon reservoir in southern Chaluhe fault depression of Yi-tong graben[J].Global Geology,2007,26(2):240-244.
[3]罗丙昌,吕振生,姜丽.伊通盆地梁家构造带浅层油气层录井解释评价[J].录井工程,2010,21(1):39-42,77.LUO Bing-chang,LU Zhen-sheng,JIANG Li.Mud log-ging interpretation and evaluation for shallow oil and gaszones in Liangjia tectonic belt of Yitong Basin[J].MudLogging Engineering,2010,21(1):39-42,77.
[4]王永春.伊通地堑含油气系统与油气成藏[M].北京:石油工业出版社,2001:10.WANG Yong-chun.Petroleum system and hydrocarbonaccumulation in Yitong graben[M].Beijing:PetroleumIndustry Press,2001:10.
[5]李本才,刘鸿友,杜怀旭,等.伊通盆地含油气系统与油气藏[J].中国石油勘探,2003,8(3):38-44.LI Ben-cai,LIU Hong-you,DU Huai-xu,et al.The pe-troleum system and accumulation in Yitong Basin[J].China Petroleum Exploration,2003,8(3):38-44.
[6]孙连浦,刘招君,李本才,等.水下扇岩相特征及形成机制[J].世界地质,2001,20(3):249-256.SUN Lian-pu,LIU Zhao-jun,LI Ben-cai,et al.Subma-rine fans characteristics of rock facies and mechanisms ofdeposition[J].Global Geology,2001,20(3):249-256.
[7]刘招君.湖泊水下扇沉积特征及影响因素—以伊通盆地莫里青断陷双阳组为例[J].沉积学报,2003,21(1):148-154.LIU Zhao-jun.Lacus subaqueous fan sedimentary charac-teristics and influence factors--a case study of ShuangyangFormation in Moliqing fault subsidence of Yitong Basin[J].Acta Sedimentologica Sinica,2003,21(1):148-154.
[8]孙连浦,刘招君,毛天基,等.伊通盆地莫里青断陷双阳组湖泊水下扇沉积特征[J].世界地质,2005,24(2):137-143.SUN Lian-pu,LIU Zhao-jun,MAO Tian-ji,et al.Sedi-mentary features of submarine fan in Shuangyang Forma-tion,Moliqing faulted depression,Yitong Basin[J].Global Geology,2005,24(2):137-143.
[9]张萌,田景春.“近岸水下扇”的命名、特征及储集性[J].岩相古地理,1999,19(4):42-52.ZHANG Meng,TIAN Jing-chun.The nomenclature,sed-imentary characteristics and reservoir potential of near-shore subaqueous fans[J].Sedimentary Facies andPalaeogeograph,1999,19(4):42-52.
[10]李秋媛,王永春.扇三角洲与近岸水下扇[J].辽宁工程技术大学学报:自然科学版,2010,29(增刊):141-143.LI Qiu-yuan,WANG Yong-chun.Fan delta and near-shore subaqueous fan[J].Journal of Liaoning Techni-cal University:Natural Science,2010,29(Suppl.):141-143.
[11]孙守亮,郭巍,刘群,等.伊通盆地鹿乡断陷始新统双阳组沉积相与沉积演化[J].世界地质,2010,29(3):419-430,508.SUN Shou-liang,GUO Wei,LIU Qun,et al.Sedimen-tary facies and evolution of Eocene Shuangyang Forma-tion in Luxiang fault depression of Yitong Basin[J].Global Geology,2010,29(3):419-430,508.
[12]侯启军,赵志魁,陈红汉,等.伊通盆地演化与油气成藏动力学[M].北京:石油工业出版社,2009:30,31,40-44.HOU Qi-jun,ZHAO Zhi-kui,CHEN Hong-han,et al.Yitong Basin evolution and hydrocarbon accumulationdynamics[M].Beijing:Petroleum Industry Press,2009:30,31,40-44.
[13]李洪革,李本才,韩龙,等.伊通地堑Ⅱ号断层几何学特征及其与油气关系[J].石油地球物理勘探,2004,39(5):614-617.LI Hong-ge,LI Ben-cai,HAN Long,et al.Geometricfeature of No.2 fault in Yitong graben and its relation tooil-gas[J].Oil Geophysical Prospecting,2004,39(5):614-617.
[14]唐大卿,陈红汉,孙家振,等.郯庐断裂带伊通段新生代构造演化特征及其控盆机制[J].大地构造与成矿学,2010,34(3):340-348.TANG Da-qing,CHEN Hong-han,SUN Jia-zhen,et al.Cenozoic tectonic evolution of the Yitong part of the Tan-lu fault zone and its control on Yitong Basin[J].Geo-tectonica et Metallogenia,2010,34(3):340-348.
[15]丰勇,陈红汉,叶加仁,等.伊通盆地岔路河断陷油气成藏过程[J].地球科学,2009,34(3):502-510.FENG Yong,CHEN Hong-han,YE Jia-ren,et al.Res-ervoir-forming periods and accumulation process ofChaluhe fault depression of Yitong Basin[J].EarthScience,2009,34(3):502-510.
[16]周恒涛,杜怀旭,闫丽萍,等.伊通盆地岔路河断陷始新统岩性圈闭研究[J].世界地质,2006,25(4):396-400.ZHOU Heng-tao,DU Huai-xu,YAN Li-ping,et al.Study of Eocene lithologic traps in Chaluhe fault depres-sion of Yitong Basin[J].Global Geology,2006,25(4):396-400.
[17]魏忠元,姚光庆,何生,等.伊通地堑岔路河断陷储层成岩演化史与成岩模式[J].地球科学,2008,33(2):227-234.WEI Zhong-yuan,YAO Guang-qing,HE Sheng,et al.Diagenetic evolution and mode in the Chaluhe faulteddepression reservoir,Yitong graben[J].Earth Sci-ence,2008,33(2):227-234.
[18]曹强,叶加仁,郭飞飞,等.伊通盆地莫里青断陷地层压力演化与油气运聚[J].吉林大学学报:地球科学版,2009,39(4):642-649.CAO Qiang,YE Jia-ren,GUO Fei-fei,et al.Pressureevolution in the Moliqing fault-depression,Yitong Basin[J].Journal of Jilin University:Earth Science Edition,2009,39(4):642-649.
[19]江涛,邱玉超,王立武,等.伊通盆地Ⅱ号断层与西拉木伦河断裂带及油气的关系[J].吉林大学学报:地球科学版,2008,38(3):411-416.JIANG Tao,QIU Yu-chao,WANG Li-wu,et al.Rela-tionship between No.2 fault in Yitong basin and Xilam-ulun river fault and its significances for petroleum[J].Journal of Jilin University:Earth Science Edition,2008,38(3):411-416.
[20]徐国盛,凌亚军,袁海锋,等.伊通盆地梁家—五星构造带油气成藏规律[J].物探化探计算技术,2010,32(3):219,225-231.XU Guo-sheng,LING Ya-jun,YUAN Hai-feng,et al.Hydrocarbon accumulation rules of Liangjia-Wuxingstructural belt of Yitong Basin[J].Computing Tech-niques for Geophysical and Geochemical Exploration,2010,32(3):219,225-231.
[21]李艳春,孙国东,王东坡,等.含油气系统及其研究意义[J].世界地质,2000,19(2):149-154.LI Yan-chun,SUN Guo-dong,WANG Dong-po,et al.Petroleum system and significance of studying[J].Global Geology,2000,19(2):149-154.
[22]唐大卿,何生,陈红汉,等.伊通盆地断裂体系特征及其演化历史[J].吉林大学学报:地球科学版,2009,39(3):386-396.TANG Da-qing,HE Sheng,CHEN Hong-han,et al.Fault system's characteristics of Yitong Basin and its e-volution[J].Journal of Jilin University:Earth ScienceEdition,2009,39(8):386-396.
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