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source-reservoir-cap rock assemblages
相关语句
  生储盖组合
     3) The presence of a favourable"injection"type source-reservoir-cap rock assemblages.
     3.具有良好的“灌注式”生储盖组合方式。
短句来源
     The evolution of the palaeogeography shows that many types of source-reservoir-cap rock assemblages were developed in this area.
     古地理的演化表明该区发育多套生储盖组合
短句来源
  相似匹配句对
     SOURCE AND VARIATION
     本源与变异 素描作品展作品选登
短句来源
     At the Source of the Yangtse
     在长江的源头
短句来源
     Z-Source Converter
     Z源变换器
短句来源
     The Source of Self-Confidence
     自信的来源(英文)
短句来源
     Reservoir Dogs
     《水库狗》
短句来源
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According to the preliminary studies on the formation of major oil fields in Eastern China: Daqing, Shengtuo, Dagang, Chaheji and Pucheng oil fields, the main factors are as follows: 1) In the sedimentary basin there is a geological evolving seguence characterized by steady subsiding—slight rising—and successive subsiding features. 2) The generation, migration and accumulation of hydrocarbons are in good combination with the tectonic movement(event). 3) The presence of a favourable"injection"type source-reservoir-cap...

According to the preliminary studies on the formation of major oil fields in Eastern China: Daqing, Shengtuo, Dagang, Chaheji and Pucheng oil fields, the main factors are as follows: 1) In the sedimentary basin there is a geological evolving seguence characterized by steady subsiding—slight rising—and successive subsiding features. 2) The generation, migration and accumulation of hydrocarbons are in good combination with the tectonic movement(event). 3) The presence of a favourable"injection"type source-reservoir-cap rock assemblages.

通过对中国东部地区大庆、胜坨、大港、濮城、岔河集等油田形成过程的初步研究,认为油气田形成的主要条件是: 1.沉积盆地(或坳陷)具有大幅度稳定沉降—轻微地壳上升—再次连续下沉的地质演化阶段。 2.油气的生成、运移、聚集与构造发育期相互搭配。 3.具有良好的“灌注式”生储盖组合方式。

The Carboniferous and Permian Systems in central and south Hebei Pro-vince,remained primarily in some fault-depressed basins and paleosynclines,distri-but within an area of more than 3000km~2 with buried depth of 1500-4600m anda total thickness of more than 1000m,In the Permian System,the ShiqianfengFormation,the Upper and Lower Shihezi Formations are mainly terrestrial clas-tic sediments formed in oxidizing environment,the Shanxi Formation is coal-bearing strata;the Benxi and Taiyuan Formations of the Middle...

The Carboniferous and Permian Systems in central and south Hebei Pro-vince,remained primarily in some fault-depressed basins and paleosynclines,distri-but within an area of more than 3000km~2 with buried depth of 1500-4600m anda total thickness of more than 1000m,In the Permian System,the ShiqianfengFormation,the Upper and Lower Shihezi Formations are mainly terrestrial clas-tic sediments formed in oxidizing environment,the Shanxi Formation is coal-bearing strata;the Benxi and Taiyuan Formations of the Middle and Upper carbo-niferous are transitional facies of terrestrial and marine sediments in which theTaiyuan Formation consists of coal measure.The Shanxi Formation contains 4-12 coal beds with a total thickness of8.5-27m;the Taiyuan Formation contains 2-11 coal beds,with a total thick-ness of 2.5-33.5 m.Much carbonaceous and dark mudstones can be found incoal measures.The content of chloroform bitumen“A”is more than 0.2% inthe coal beds,the content of residual organic carbon is generally 0.5-1.0% andchloroform bitumen“A”is 0.048-0.115% in the dark mudstones.Vitrinite reflec-tance of them is greater than 0.5%.These indices show that they are favour-able source rocks.To analyze the hydrocarbon generation of the basin in accordance with tec-togenesis and the conditions of thermoevolution,the Himalayan phase is consi-dered to be an important period,and then the Yanshan phase.The Carboniterous and Permian Systems here have composed a great source-reservoir-cap rock assemblage,which can receive oil and gas from the overlyingEogene too.Thus the assemblage has double oil sources.The trap type on thewhole is considred to be fault-block type.The authors suggest that Wen'an Slop is the most favourable area in oiland gas prospects,and then Shenxian and Langfang ranges;as for the south ofHebei,it is better to seek coal-formed gas.

本区石炭、二叠系埋深1500—4600m,主要残留在断陷构造及古向斜中,分布面积3万多平方公里,总厚达1000m 以上。上石炭统太原组及下二叠统山西组为煤系,有机质丰度高,已成熟,是较好的油气源岩。石炭、二叠系可自成生储盖组合,又可从上覆下第三系中获得油气。从构造运动及热演化条件分析,主要生油气期为喜山期,次为燕山期。文安斜坡的油气远景较好,廊坊地区次之;冀南地区应以找气为主。

Yanji Basin is a Mesozoic intermountainous fault-depressed basin situated at the east-ern foot of Changbai Mountains in Northeast Jiling Province. During the process of formation and development, the basin underwent three largescales of magmatic activities as early and late Yenshan and Himalayan, and four evolu-tion stuges: fault-subsided, depressed, shrinkage and uplift stages. Its structural frame-work was controlled by near NS and EW stretching faults, and characterized by zonatesin EW direction and blocks...

Yanji Basin is a Mesozoic intermountainous fault-depressed basin situated at the east-ern foot of Changbai Mountains in Northeast Jiling Province. During the process of formation and development, the basin underwent three largescales of magmatic activities as early and late Yenshan and Himalayan, and four evolu-tion stuges: fault-subsided, depressed, shrinkage and uplift stages. Its structural frame-work was controlled by near NS and EW stretching faults, and characterized by zonatesin EW direction and blocks in NS directions. During Variscian stage, the basin receivedextensive Meso-Cenozoic sediments in which Cretaceous sediments were the main part.The greatest thickness was 3900m. In late Late Cretaceous, the basin was uplifted anddenuded resulted by Himalayan movement. The basin has favourable source-reservoir-cap rock assemblage and trap condition.The Dalazhi Formation in Lower Cretaceous has thick sediments (the max. thickness isabout 2000m), and the dark mudstone developed well. Organic abundance and transfor-mation degree of organic matter are high (the average organic carbon is 1.517--2.408%;chloroform extract "A" 0.063--0.072%; the ratio of total hydrocarbon/organic carbon0.232--6.638%; R~o-value 0.43--1.38% ), and the kerogen is mainly type--Ⅱ, indicatingthat the mudstone is fine source rock. The formation contains considerable fine to meduimgrained sandstone which occupies more than 50% of the total thickness of the formation.The porosity of the Sandstone is about 20%, and the permeability 13×10~(-3)μm~2. This con-stitutds favourable reservoir rock. The mudstone member of the Dalazhi Formation later-ally distributed uniformly; the middle-upper parts of tfie Longjing Formation in UpperCretaceous contain fine tuff clastic rock and thin gypsum, they both constitute perfect re-gional caprocks. According to the data of seismic reconmaissance, the trap types of thebasin are mainly lithologic and stratigraphic traps and secondly the drape structure andfault-block traps. The principal exploration turget bed is the Dalazhi Formation; the favourable poten-tial areas are Chaoyangchuan Sag, then the Qingchaguan and Dexin Sags. Fine oil-showings have been found in outcrops of Zhixin Village and from well drilling in DexinSag in southeast of the basin.

延吉盆地在晚华为西期白岗质花岗岩为主的基底上广泛接受了以白垩系为主的中新生代沉积,最大厚度3900 m。该盆地具有良好的生、储、盖配置关系和圈团条件。下白垩统大砬子组最厚达2000 m。其中暗色泥岩发育,有机质丰度高,转化程度好,是好—较好生烃岩;砂层占地层总厚50%以上,是物性较好的储层;泥岩段横向分布较稳定,是良好的区域盖层。圈团类型主要为岩性、地层圈团,其次为披覆构造和断块圈团。盆地主要勘探目的层是大砬子组,有利远景区为朝阳川凹陷,其次为清茶馆凹陷和德新凹陷,有希望获得中小型油气田。

 
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