the paleogene
古近纪
2025-09-09 13:50 浏览次数 7
古近纪
the paleogene qianjiang and xinggouzui formations with abundant hydrochemical data are main objective intervals targets for hydrocarbon exploration in jianghan basin.
江汉盆地下第三系潜江组和新沟嘴组是主要油气勘探目的层, 水化学资料较多。
the natural gas is mainly composed of hydrocarbon gases, of which the gases in the paleogene and older reservoirs are wet gases, while those in the neogene are dry gases.
天然气主要为烃类气体, 纵向上,古近系及以下储集层中的天然气为湿气,新近系的天然气多为干气。
the paleogene source rock in jinhu depression, subei basin, is characterized by 「shallow maturation」.
苏北盆地金湖凹陷古近系烃源巖具有「浅熟」特征。
the formation of the paleogene in the chengbei step-fault zone of dagang off-shore area is very complex and its stratigraphic division and correlation is very difficulty.
大港滩海埕北断阶带古近系较为复杂,地层划分对比困难,本文采用了古生物组合—高分辨率层序地层学相结合的方法对研究区进行地层划分对比。
according to the characters and contents of different groups in the fossil biota and the sporopollen to algae ratio, it might be inferred that the paleogene basin was an ancient lake on coastal plain.
依据化石生物群中不同类别的特征和含量分析、以及孢粉与藻类的比值,推测早第三纪盆地属大陆滨海区陆相湖泊。
this paper applies the apatite fission-track analysis to study the sedimentary evolution, tectonic movement and thertnal history of the paleogene in well shencan-1 of linqing depression.
为深入对临清助陷地质演化史的研究,在坳陷东部沈参1井取样进行磷灰石裂变径迹分析。
the early stage of himalayan movement (form the late periods from the late cretaceous to the paleogene ) ;
早喜马拉雅期的盆山耦合;
it also states the relationship between deep surpressure and deep oil and gas distribution in the paleogene of qibei area.
论述歧北地区下第三系深层超压与深部油气分布的关系 ,认为深部油气的分布与异常超压 带的分布密切相关。
it is proved by well data that abnormal high-pressure exists widely in the paleogene mingyuefeng formation of the lishui sag, the donghai basin.
鉆井资料证实,东海盆地丽水凹陷下第三系明月峰组普遍存在异常高压。
the paleogene lake basin of the tangyuan fault depression experienced a process from small to large and again to small.
汤原断陷古近系湖盆经历了由小到大再到小的过程。
on this basis, the petroleum migration, accumulation and pool forming conditions, the petroleum enrichment rules, and the favorable trap types and exploration direction of the paleogene es 2 and es…
在此基础上,结合石油成藏系统的研究思路和方法,综合分析并初步预测了该区下第三系沙二、三段含油目的层系的石油运聚成藏条件、富集规律及其有利的圈闭类型和勘探方向。
on the basis of the classified rules and identified symbol of the sequence stratigraphy, the sequence framework is established in the paleogene of the baise basin.
根据层序地层学的划分原则及识别标志,建立百色盆地古近系层序地层序列;
the main oil-bearing horizons of the no. 2 structural belt of the nanpu subbasin are sandstone of the first member of the paleogene dongying formation and ordovician limestone.
南堡凹陷南堡2号构造带主要含油层段为古近系东营组东一段砂巖及奥陶系灰巖。
in the laizhouwan depression, the sha4 member of the paleogene shahejie formation attains thick salt and gypsum which have uplifted and formed salt diapir and pillow in the kl112 area.
莱州湾凹陷沙河街组四段含有较厚的巖盐和膏盐层,并在kl112地区发生聚集隆起,形成典型的盐底辟(盐枕)构造。
the shahejie formation of the paleogene in the deep zone of the middle area of the east depression in liaohe basin is made up of its member 1 and member 3 and lacks its member 2 and member 4.
辽河盆地东部凹陷中段深部地层中的古近系沙河街组由沙一段、沙三段构成,缺失沙二段和沙四段。
the paleogene tectonic framework in bohai bay was controlled by both mesozoic sinistral strike slip and paleogene extension resulted from diapiric intrusion of mantle.
中生代左行走滑和早第三纪伸展作用共同控制了渤海海域早第三纪的构造格局。
the paleogene shahejie formation (es) is the most important hydrocarbon accumulation combination in the dongying depression.
古近系沙河街组是东营凹陷最重要的成藏组合。
the results show that the fault activity appears strong and weak alternately in the extension direction of n-s during the paleogene in dongying depression.
结果表明,东营凹陷古近纪在近南北向的伸展方向上,断裂活动强弱交替,在沙三—沙二早期断层活动强烈,沙二晚期—东营期断层活动明显减弱。
the structural deformation of the paleogene is characterized evidently by thrust block and broad folds.
下第三系的构造变形主要表现为区内下第三系红层的逆沖断块和宽缓褶皱变形。
based on the causer analysis, the paleogene alluvial fan is proposed as piedmont alluvial fan sourced by the carbonate hinterland under a dry climate.
在成因分析的基础上,认为该沖积扇为一典型的古近纪早期干旱气候条件下,母巖区为陡峻碳酸盐巖山体的古山麓沖积扇。
the formation mechanism of thrust tectonics in the paleogene was supposed to be related to a far field effect caused by collision between the indian and the eurasian plates.
古近纪末期逆沖构造形成机制与印度板块向欧亚板块之下俯沖的远程效应有关。
traps were mainly developed during the deposition of the paleogene shehejie and dongying formations. they are mostly syndepositional structural traps and are rarely pure lithologic traps.
圈闭形成于古近纪沙河街组和东营组沉积时期,多为同沉积构造圈闭,单纯的巖性圈闭发现较少。
the paleogene series developed eocene series and oilgocene series in this basin.
该盆地古近系发育有始新统、渐新统两套地层层序。
dongying depression is one of the most prolific hydrocarbon areas in china. the paleogene stratum consists of underwater fan, littoral-shallow lacustrine and delta facies sandstones.
东营凹陷是重要的油气富集区,在古近系地层发育湖相水下扇沉积、滨浅湖沉积和三角洲沉积等砂巖。