断层分段生长定量判别标准的建立及其地质意义——以松辽盆地杏北开发区萨尔图油层为例
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摘要
为了降低地震断层解释中的不确定性,以松辽盆地杏北开发区三维地震资料为靶区,以断层"转换位移/离距(D/S)"为基础,建立了断层平面分段生长定量判别标准,其中,侧列叠覆、开始破坏和完全破坏3个阶段的临界D/S分别为0.27和1。研究结果表明,1杏北开发区278+273断层是由278断层和273断层侧列叠覆组成,同时验证了断层分段生长定量判别标准的可靠性;2断圈类型由单断下盘翘倾型断圈校正为侧列叠覆断层孤立型断圈,同时断圈范围也明显变小;3断层封闭性评价由整体评价校正为278断层和273断层分别独立评价。因此,断层组合校正对油气田勘探开发方案的精确部署具有重要的指导意义。
In order to reduce the uncertainty in the seismic fault interpretation,taking Xingbei development area of Songliao Basin as example and based on the fault transfer displacement / sepatation( D / S),quantitative discrimination criterion of fault segmentation growth on the plane is eatablished. The critical D / S value of the three periods( arrangement overlap,initial break,total break) is 0. 27 and 1. The research shows: 1 Fault 278 + 273 in Xingbei development area is consist of fault 278 and fault 273 which are arrangement overlap and the quantitative discrimination criteria of fault segmentation growth and is reliable. 2 The type of fault trap is corrected from single fault trap whose footwall tilting to isolated fault trap which is arrangement overlap. At the same time,the range of fault trap becomes significantly smaller. 3 The assessment of fault sealing is corrected from general evaluation to independent evaluation on fault 278 and 273 respectively. Therefore,fault combination correction has great significance on precise deployment of exploration and development in oilfield.
In order to reduce the uncertainty in the seismic fault interpretation,taking Xingbei development area of Songliao Basin as example and based on the fault transfer displacement / sepatation( D / S),quantitative discrimination criterion of fault segmentation growth on the plane is eatablished. The critical D / S value of the three periods( arrangement overlap,initial break,total break) is 0. 27 and 1. The research shows: 1 Fault 278 + 273 in Xingbei development area is consist of fault 278 and fault 273 which are arrangement overlap and the quantitative discrimination criteria of fault segmentation growth and is reliable. 2 The type of fault trap is corrected from single fault trap whose footwall tilting to isolated fault trap which is arrangement overlap. At the same time,the range of fault trap becomes significantly smaller. 3 The assessment of fault sealing is corrected from general evaluation to independent evaluation on fault 278 and 273 respectively. Therefore,fault combination correction has great significance on precise deployment of exploration and development in oilfield.
引文
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付晓飞,李文龙,吕延防,贺向阳,刘哲.2011.断层侧向封闭性及对断圈油水关系的控制.地质论评,57(3):387~397.
付晓飞,郭雪,朱丽旭,吕延防.2012.泥岩涂抹形成演化与油气运移及封闭.中国矿业大学学报,41(1):52~63.
刘哲,吕延防,孙永河,李彦彬,张东伟.2012.同生断裂分段生长特征及其石油地质意义.中国矿业大学学报,41(5):793~799.
孙同文,付广,吕延防,赵荣.2012.断裂输导流体的机制及输导形式探讨.地质论评,58(6):1081~1090.
王海学,吕延防,付晓飞,孙永河,王海风,李培海.2013.裂陷盆地转换带形成演化及其控藏机理.地质科技情报,32(4):102~110.
Acocella V,Gudmundsson A,Funiciello R.2000.Interaction andlinkage of extension fractures and normal faults:examples from riftzone of Iceland.Journal of Structural Geology,22(9):1233~1246.
Acocella V,Morvillo P,Funiciello R.2005.What controls relay rampsand transfer faults within rift zones?Insights from analogue models.Journal of Structural Geology,27(3):397~408.
Cartwright J A,Trudgill B D,Mansfield C S.1995.Fault growth bysegment linkage:an explanation for scatter in maximumdisplacement and trace length data from the Canyonlands Grabens ofSE Utah.Journal of Structural Geology,17:1319~1326.
Childs C,Wstterson J,Walsh J J.1995.Fault overlap zones withindeveloping normal fault systems.Journal of the Geological Society,152:535~549.
Fossen H.2010.Structural geology.New York:Cambridge UniversityPress,119~185.
Giba M,Walsh J J,Nicol A.2012.Segmentation and growth of anobliquely reactivated normal fault.Journal of Structural Geology,39:253~267.
Kim Y S,Sanderson D J.2005.The relation between displacement andlength of faults:a review.Earth-Science Review,68:317~334.
Peacock D C P,Sanderson D J.1994.Geometry and development ofrelay ramps in normal fault systems.The American Association ofPetroleum Geologist Bulletin,78(2):147~165.
Peacock D C P.1991.Displacement and segment linkage in strike-slipfault zones.Journal of Structural Geology,13(9):1025~1035.
Segall P,Pollard D D.1980.Mechanics of Discontinuous faults.Journalof Geophysical Research,85:4337~4350.
Soliva R,Benedicto A.2004.A linkage criterion for segmented normalfaults.Journal of Structural Geology,26:2251~2267.
Soliva R,Benedicto A,Schultz R A,Maerten L,Micarelli L.2008.Displacement and interaction of normal fault segments branched atdepth:Implications for fault growth and potential earthquake rupturesize.Journal of Structural Geology,30:1288~1299.
Trudgill B,Cartwright J.1994.Relay ramp forms and normal-faultlinkages,Canyonlands National Park,Utah.Geological Society ofAmerica Bulletin,106:1143~1157.
Yang Minghui,Zhou Xinhuai,Wei Gang,Liu Le,Li Chunxia,ZhengXiaofeng,Liu Xiaojian,Gao Libao.2008.Segment,linkage andextensional fault-related fold in Western Liaodong Bay SubbasinNortheastern Bohai Sea,China.Journal of China University ofGeosciences,19(6):602~610.
付晓飞,李文龙,吕延防,贺向阳,刘哲.2011.断层侧向封闭性及对断圈油水关系的控制.地质论评,57(3):387~397.
付晓飞,郭雪,朱丽旭,吕延防.2012.泥岩涂抹形成演化与油气运移及封闭.中国矿业大学学报,41(1):52~63.
刘哲,吕延防,孙永河,李彦彬,张东伟.2012.同生断裂分段生长特征及其石油地质意义.中国矿业大学学报,41(5):793~799.
孙同文,付广,吕延防,赵荣.2012.断裂输导流体的机制及输导形式探讨.地质论评,58(6):1081~1090.
王海学,吕延防,付晓飞,孙永河,王海风,李培海.2013.裂陷盆地转换带形成演化及其控藏机理.地质科技情报,32(4):102~110.
Acocella V,Gudmundsson A,Funiciello R.2000.Interaction andlinkage of extension fractures and normal faults:examples from riftzone of Iceland.Journal of Structural Geology,22(9):1233~1246.
Acocella V,Morvillo P,Funiciello R.2005.What controls relay rampsand transfer faults within rift zones?Insights from analogue models.Journal of Structural Geology,27(3):397~408.
Cartwright J A,Trudgill B D,Mansfield C S.1995.Fault growth bysegment linkage:an explanation for scatter in maximumdisplacement and trace length data from the Canyonlands Grabens ofSE Utah.Journal of Structural Geology,17:1319~1326.
Childs C,Wstterson J,Walsh J J.1995.Fault overlap zones withindeveloping normal fault systems.Journal of the Geological Society,152:535~549.
Fossen H.2010.Structural geology.New York:Cambridge UniversityPress,119~185.
Giba M,Walsh J J,Nicol A.2012.Segmentation and growth of anobliquely reactivated normal fault.Journal of Structural Geology,39:253~267.
Kim Y S,Sanderson D J.2005.The relation between displacement andlength of faults:a review.Earth-Science Review,68:317~334.
Peacock D C P,Sanderson D J.1994.Geometry and development ofrelay ramps in normal fault systems.The American Association ofPetroleum Geologist Bulletin,78(2):147~165.
Peacock D C P.1991.Displacement and segment linkage in strike-slipfault zones.Journal of Structural Geology,13(9):1025~1035.
Segall P,Pollard D D.1980.Mechanics of Discontinuous faults.Journalof Geophysical Research,85:4337~4350.
Soliva R,Benedicto A.2004.A linkage criterion for segmented normalfaults.Journal of Structural Geology,26:2251~2267.
Soliva R,Benedicto A,Schultz R A,Maerten L,Micarelli L.2008.Displacement and interaction of normal fault segments branched atdepth:Implications for fault growth and potential earthquake rupturesize.Journal of Structural Geology,30:1288~1299.
Trudgill B,Cartwright J.1994.Relay ramp forms and normal-faultlinkages,Canyonlands National Park,Utah.Geological Society ofAmerica Bulletin,106:1143~1157.
Yang Minghui,Zhou Xinhuai,Wei Gang,Liu Le,Li Chunxia,ZhengXiaofeng,Liu Xiaojian,Gao Libao.2008.Segment,linkage andextensional fault-related fold in Western Liaodong Bay SubbasinNortheastern Bohai Sea,China.Journal of China University ofGeosciences,19(6):602~610.
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