渤中凹陷油气勘探潜力分析——与东营凹陷和沾化凹陷类比
摘要
渤中凹陷与东营凹陷、沾化在构造格局、地质演化与油气分布上表现出一定的相似性与时空差异性。多年的勘探已在东营凹陷与沾化凹陷取得了较大的成功,该研究从东营与沾化凹陷的探明程度、探井密度、勘探阶段、资源量与资源丰度以及勘探领域等方面入手,来类比分析渤中凹陷的情况。结果表明:渤中凹陷勘探整体处于低勘探程度区,尚处在"区带解剖、滚动勘探"的第二阶段,以构造油气藏勘探为主兼探隐蔽油气藏,大致相当于东营与沾化凹陷上世纪80年代末～90年代初勘探程度;下步勘探应该增强信心,加大地震与钻井工作量;勘探目标应该挺进古近系及更老地层,平面上,勘探应从凸起转向斜坡和凹陷区。由此可见,渤中凹陷勘探领域宽广,勘探潜力巨大。
Compared with Dongying,Zhanhua Depressions,Bozhong Depression had some similarities and differences,time and space in the tectonic,geological evolution and hydrocarbon distribution.Greater success has been achieved for many years of exploration in Dongying and Zhanhua Depressions.The extent of exploration,the density of exploration wells,the exploration phases,the amount and abundance of resources and the exploration areas were analyzed in Bozhong Depression.The results show hat the whole area of Bozhong Depression is in low exploration level,it is still in "zone analyse,rolling exploration" of the second phase.The exploration is mainly in structural hydrocarbon reservoirs and exploration of subtle reservoirs,which is roughly equivalent with the late 80's and early 90's exploration level of Dongying and Zhanhua Depressions in the last century.The next step is to enhance seismic exploration and well drilling with confidence,the exploration goal should be the Paleogene reservoirs and older strata in the plane area.Thus Bozhong Depression has a wide exploration area and huge exploration potential.
Compared with Dongying,Zhanhua Depressions,Bozhong Depression had some similarities and differences,time and space in the tectonic,geological evolution and hydrocarbon distribution.Greater success has been achieved for many years of exploration in Dongying and Zhanhua Depressions.The extent of exploration,the density of exploration wells,the exploration phases,the amount and abundance of resources and the exploration areas were analyzed in Bozhong Depression.The results show hat the whole area of Bozhong Depression is in low exploration level,it is still in "zone analyse,rolling exploration" of the second phase.The exploration is mainly in structural hydrocarbon reservoirs and exploration of subtle reservoirs,which is roughly equivalent with the late 80's and early 90's exploration level of Dongying and Zhanhua Depressions in the last century.The next step is to enhance seismic exploration and well drilling with confidence,the exploration goal should be the Paleogene reservoirs and older strata in the plane area.Thus Bozhong Depression has a wide exploration area and huge exploration potential.
引文
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[3]池英柳.渤海新生代含油气系统基本特征与油气分布规律[J].中国海上油气(地质),2001,15(1):3～10.
[4]张林晔.东营凹陷成烃与成藏关系研究[M].武汉:中国地质大学出版社,2005.
[5]蒋有录,刘华,张乐,等.东营凹陷油气成藏期分析[J].石油与天然气地质,2003,24(3):215～218.
[6]胡见义,牛嘉玉.渤海湾盆地油气聚集理论和勘探实践的再深化——为渤海湾含油气盆地发现40周年而作[J].石油学报,2001,22(1):1～5.
[7]郝芳,邹华耀,龚再升,等.新(晚期)构造运动的物质、能量效应与油气成藏[J].地质学报,2006,80(3):424～431.
[8]龚再升.中国近海含油气盆地新构造运动与油气成藏[J].地球科学——中国地质大学学报,2004,29(5):513～517.
[9]李大伟.新构造运动与渤海湾盆地上第三系油气成藏[J].石油与天然气地质,2004,25(2):170～174.
[10]米立军.新构造运动与渤海海域上第三系大型油气田[J].中国海上油气(地质),2001,15(1):21～28.
[11]毛昌强.东营凹陷原油分布性质及分布规律研究[D].长沙:中南大学,2007.13～14.
[12]朱光有,金强,郭长春,等.渤海湾盆地东营-沾化凹陷油气聚集的差异性及控制因素研究[J].石油实验地质,2003,25(4):353～361.
[13]邓运华,李建平.浅层油气藏的形成机理——以渤海油气区为例[M].北京:石油工业出版社,2009.
[14]关德范,郑和荣,龙胜祥.中国石化东部探区油气勘探潜力分析[J].石油学报,2003,24(2):1～5.
[15]王俊玲,郑和荣.中国东部成熟探区油气资源潜力及重点勘探领域[J].石油与天然气地质,2003,24(3):296～300.
[16]郭元岭,高磊,赵乐强,等.济阳坳陷石油勘探效果分析[J].河南石油,2001,15(3):15～17.
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