松辽盆地扶杨油层成藏动力探讨
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摘要
系统研究了松辽盆地扶杨油层的成藏动力。扶杨油层具有幕式成藏的特点,油气初次运移的动力并非青一段异常高压,而是断裂的幕式活动及地震泵作用。油柱高度与超压并不具有相关性,扶杨油层幕式成藏几乎总是与区域性的构造运动和断裂活动相伴随。毛管压力和浮力作用对油气二次运移产生了巨大的影响,扶杨油层具有常规油气藏和深盆油气藏共存的特点。浮力和区域构造演化的有机匹配,使向环凹陷周边斜坡、鼻状构造、背斜等部位的油柱高度明显增加,且储量丰度明显升高;长春岭低超压区也可以成藏,这些均为浮力及油气侧向运移的结果。三肇、齐家—古龙、长岭等凹陷的轴部是深盆油气藏勘探的重点,古隆起及其斜坡部位和物性较好而超压较低的东北、东南隆起带是下一步的勘探方向。尤其重要的是,杨大城子油层的勘探主要应放在环凹陷周边斜坡、鼻状构造、背斜等部位,而非超压最大的凹陷轴部。
Dynamics of Fuyang reservoir accumulation in Songliao Basin are studied.Fuyang reservoir has character of episodic accumulation.Overpressure is not the main force of primary migration but seismic pumping.The oil column height is not associated with the size of overpressure.The episodic reservoir is mainly controlled by regional tectonic movement and faulting.Capillary pressure and buoyancy play an important role in oil secondary migration.Fuyang reservoir has the coexistence of conventional oil reservoirs and deep-basin reservoirs.The organic matching of buoyancy and regional tectonic evolution makes the oil column height obviously increased and makes the reserve abundance improved along the slopes around central depression,nose-shaped structure and anticline.Low overpressure zones in Changchunling can also form reservoir,which is resulted from buoyancy and petroleum lateral migration.Sanzhao, Qijia-Gulong and Changling sags are the focus of deep-basin reservoir exploration.The uplift and slope,northeast and southeast uplift zones with good properties and low overpressure are the further exploration direction s of Fuyang reservoir.It is particularly important that the exploration of Yangdachengzi reservoir should be primarily laid on the slopes surrounding the sag,nose-shaped structure and anticline,instead of large overpressure zone in the central sag.
Dynamics of Fuyang reservoir accumulation in Songliao Basin are studied.Fuyang reservoir has character of episodic accumulation.Overpressure is not the main force of primary migration but seismic pumping.The oil column height is not associated with the size of overpressure.The episodic reservoir is mainly controlled by regional tectonic movement and faulting.Capillary pressure and buoyancy play an important role in oil secondary migration.Fuyang reservoir has the coexistence of conventional oil reservoirs and deep-basin reservoirs.The organic matching of buoyancy and regional tectonic evolution makes the oil column height obviously increased and makes the reserve abundance improved along the slopes around central depression,nose-shaped structure and anticline.Low overpressure zones in Changchunling can also form reservoir,which is resulted from buoyancy and petroleum lateral migration.Sanzhao, Qijia-Gulong and Changling sags are the focus of deep-basin reservoir exploration.The uplift and slope,northeast and southeast uplift zones with good properties and low overpressure are the further exploration direction s of Fuyang reservoir.It is particularly important that the exploration of Yangdachengzi reservoir should be primarily laid on the slopes surrounding the sag,nose-shaped structure and anticline,instead of large overpressure zone in the central sag.
引文
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[8]谭保祥,侯德艳,林景哗.三肇地区扶余、杨大城子油层油源与油气运移模式探讨[J].石油勘探与开发,1995,14(1):5-8.
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[12]侯启军,魏兆胜,赵占银,等.松辽盆地的深盆油藏[J].石油勘探与开发,2006,33(4):406-411.
[13]迟元林,萧德铭,殷进垠.松辽盆地三肇地区上生下储“注入式”成藏机制[J].地质学报,2000,74(4):371-377.
[14]赵占银,董清水,宋立中,等.松辽盆地南部河流相岩性油藏形成机制[M].北京:石油工业出版社,2008:1-35.
[15]付广,李晓伟.源外上生下储成藏主控因素及有利区预测——以松辽盆地尚家地区泉二段为例[J].岩性油气藏,2009,21(1):1-5.
[16]李传亮.油气倒灌不可能发生[J].岩性油气藏,2009,21(1):6-10.
[17]张革,林景晔,杨庆杰,等.松辽盆地西部扶杨油层成藏条件和勘探潜力[J].大庆石油地质与开发,2002,21(5):5-7.
[18]真柄钦次.压实与流体运移[M].陈荷立,邸世祥,汤锡元,译.北京:石油工业出版社,1981:1-220.
[19]辛仁臣,蔡希源.松辽盆地北部埋藏历史对大庆长垣油藏成藏的控制[J].地球科学——中国地质大学学报,2004,29(4):458-472.
[20]侯启军,蒙启安,张革.松辽盆地齐家—古龙地区扶杨油层流体包裹体特征[J].石油勘探与开发,2004,31(4):48-51.
[21]闫建萍,刘池洋,郭桂红.松辽盆地扶杨油层油气成藏期次和时限确定[J].兰州大学学报(自然科学版),2008,44(5):26-29.
[22]刘宝柱,孙万军,陈少军,等.松辽盆地南部中浅层油气藏的成藏史[J].现代地质,2003,17(1):87-91.
[23]解习农,刘哓峰,胡祥云,等.超压盆地中泥岩的流体压裂与幕式排烃作用[J].地质科技情报,1998,17(4):59-64.
[24]Hunt J M.Generation and migration of petroleum from abnormally pressured fluid compartments[J].AAPG Bulletin,1990,74:1-12.
[25]Roberts S J,Nunn J A.Episodic fluid expulsion from geopresured sediments[J].Marine and Petroleum Geology,1995,12(2):195-204.
[26]Sibson R H.Seismic pumping-A hydrochermal fluid transport mecha-nism[J].Journal of Geology Science,1975,131(6):653-660.
[27]Hooper E D.Fluid migration along growth faults in compacting sediments[J].Journal of Petroleum Geology,1991,4(2):161-180.
[28]华保钦.构造应力场、地震泵和油气运移[J].沉积学报,1995,13(2):77-85.
[29]阎福礼,贾东,卢华复,等.东营凹陷油气运移的地震泵作用[J].石油与天然气地质,1999,20(4):295-298.
[30]杜栩,郑洪印,焦秀琼.异常压力与油气分布[J].地学前缘,1995,2(4):137-148.
[31]高瑞祺.泥岩异常高压带油气的生成排出特征与泥岩裂缝油气藏的形成[J].大庆石油地质与开发,1984,3(l):160-167.
[32]李捷,王海云.松辽盆地古龙凹陷青山口组泥岩异常高压与裂缝的关系[J].长春地质学院学报,1996,26(2):138-145.
[33]刘德来,陈发景,温祥泉.松辽盆地坳陷期T2断层成因机制分析[J].大庆石油学院学报,1996,20(1):23-27.
[34]赵靖舟.论幕式成藏[J].天然气地球科学,2005,16(4):469-476.
[35]王涛.中国深盆气田[M].北京:石油工业出版社,2002:1-45.
[36]刘鸿友,苗洪波,陈文龙,等.松辽盆地南部中浅层资源潜力[J].中国石油勘探,2003,8(3):13-17.
[2]王永春.松辽盆地南部岩性油藏的形成和分布[M].北京:石油工业出版社,2001:81-95.
[3]俞凯,侯洪斌,郭念发,等.松辽盆地南部断陷层系石油天然气地质[M].北京:石油工业出版社,2002:1-170.
[4]万俭英,王始波,赵秋枫,等.大庆长垣及以西地区泉三、四段扶杨油层储层特征[J].大庆石油地质与开发,2007,26(5):14-17.
[5]李延平,陈树民,宋永忠,等.大庆长垣及以东泉三、四段扶杨油层浅水湖泊—三角洲体系沉积特征[J].大庆石油地质与开发,2005,24(5):13-16.
[6]宋立忠,李本才,王芳.松辽盆地南部扶余油层低渗透油藏形成机制[J].岩性油气藏,2007,19(2):57-61.
[7]王雪.松辽盆地齐家凹陷与大庆长垣扶杨油层油源[J].石油勘探与开发,2006,33(3):294-298.
[8]谭保祥,侯德艳,林景哗.三肇地区扶余、杨大城子油层油源与油气运移模式探讨[J].石油勘探与开发,1995,14(1):5-8.
[9]霍秋立,冯子辉,傅丽.王府凹陷油源与原油地球化学特征[J].大庆石油地质与开发,1996,15(4):22-25.
[10]邹才能,陶士振,张有瑜.松辽南部岩性地层油气藏成藏年代研究及其勘探意义[J].科学通报,2007,52(19):2319-2329.
[11]邹才能,贾承造,赵文智,等.松辽盆地南部岩性-地层油气藏成藏动力和分布规律[J].石油勘探与开发,2005,32(4):125-130.
[12]侯启军,魏兆胜,赵占银,等.松辽盆地的深盆油藏[J].石油勘探与开发,2006,33(4):406-411.
[13]迟元林,萧德铭,殷进垠.松辽盆地三肇地区上生下储“注入式”成藏机制[J].地质学报,2000,74(4):371-377.
[14]赵占银,董清水,宋立中,等.松辽盆地南部河流相岩性油藏形成机制[M].北京:石油工业出版社,2008:1-35.
[15]付广,李晓伟.源外上生下储成藏主控因素及有利区预测——以松辽盆地尚家地区泉二段为例[J].岩性油气藏,2009,21(1):1-5.
[16]李传亮.油气倒灌不可能发生[J].岩性油气藏,2009,21(1):6-10.
[17]张革,林景晔,杨庆杰,等.松辽盆地西部扶杨油层成藏条件和勘探潜力[J].大庆石油地质与开发,2002,21(5):5-7.
[18]真柄钦次.压实与流体运移[M].陈荷立,邸世祥,汤锡元,译.北京:石油工业出版社,1981:1-220.
[19]辛仁臣,蔡希源.松辽盆地北部埋藏历史对大庆长垣油藏成藏的控制[J].地球科学——中国地质大学学报,2004,29(4):458-472.
[20]侯启军,蒙启安,张革.松辽盆地齐家—古龙地区扶杨油层流体包裹体特征[J].石油勘探与开发,2004,31(4):48-51.
[21]闫建萍,刘池洋,郭桂红.松辽盆地扶杨油层油气成藏期次和时限确定[J].兰州大学学报(自然科学版),2008,44(5):26-29.
[22]刘宝柱,孙万军,陈少军,等.松辽盆地南部中浅层油气藏的成藏史[J].现代地质,2003,17(1):87-91.
[23]解习农,刘哓峰,胡祥云,等.超压盆地中泥岩的流体压裂与幕式排烃作用[J].地质科技情报,1998,17(4):59-64.
[24]Hunt J M.Generation and migration of petroleum from abnormally pressured fluid compartments[J].AAPG Bulletin,1990,74:1-12.
[25]Roberts S J,Nunn J A.Episodic fluid expulsion from geopresured sediments[J].Marine and Petroleum Geology,1995,12(2):195-204.
[26]Sibson R H.Seismic pumping-A hydrochermal fluid transport mecha-nism[J].Journal of Geology Science,1975,131(6):653-660.
[27]Hooper E D.Fluid migration along growth faults in compacting sediments[J].Journal of Petroleum Geology,1991,4(2):161-180.
[28]华保钦.构造应力场、地震泵和油气运移[J].沉积学报,1995,13(2):77-85.
[29]阎福礼,贾东,卢华复,等.东营凹陷油气运移的地震泵作用[J].石油与天然气地质,1999,20(4):295-298.
[30]杜栩,郑洪印,焦秀琼.异常压力与油气分布[J].地学前缘,1995,2(4):137-148.
[31]高瑞祺.泥岩异常高压带油气的生成排出特征与泥岩裂缝油气藏的形成[J].大庆石油地质与开发,1984,3(l):160-167.
[32]李捷,王海云.松辽盆地古龙凹陷青山口组泥岩异常高压与裂缝的关系[J].长春地质学院学报,1996,26(2):138-145.
[33]刘德来,陈发景,温祥泉.松辽盆地坳陷期T2断层成因机制分析[J].大庆石油学院学报,1996,20(1):23-27.
[34]赵靖舟.论幕式成藏[J].天然气地球科学,2005,16(4):469-476.
[35]王涛.中国深盆气田[M].北京:石油工业出版社,2002:1-45.
[36]刘鸿友,苗洪波,陈文龙,等.松辽盆地南部中浅层资源潜力[J].中国石油勘探,2003,8(3):13-17.
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