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continental delta
相关语句
  陆相三角洲
     Based on such oil reservoir characteristics, Changqing Oilfield has adopted continental delta reservoir theories to strengthen the comprehensive geological study and select the favorable targets for exploration. Meanwhile, the oil field has made active application of such exploration techniques as seismic reservoir prediction, precise logging interpretation, fracturing renovation and oil reservoir protection to bring about major breakthroughs in exploration of Mesozoic low-permeability oil reservoirs in Ordos basin.
     针对盆地油藏特点,长庆油田应用陆相三角洲成藏理论不断深化综合地质研究,优选有利勘探目标,同时积极应用地震储层预测、测井精细解释、压裂改造、油层保护等勘探技术,使鄂尔多斯盆地中生界低渗透油藏的勘探取得重大进展。
短句来源
  “continental delta”译为未确定词的双语例句
     Characteristics of continental delta deposits in Zhuhai Formation of Baiyun Depression in Pearl River Mouth Basin
     珠江口盆地白云凹陷珠海组浅海三角洲沉积特征
短句来源
     In early Permian period,the epicontinental sea of North China Platform receded conti-nously to the south,thus the-coal accumulations of continental delta facies are generated inthe southeast of North China Platform.
     二叠纪早期,华北地台的陆表海不断向南退缩,从而在华北地台东南部开始了陆相三角洲的聚煤作用。
短句来源
  相似匹配句对
     Continental crust
     大陆地壳(一)
短句来源
     (4)delta ;
     (4)三角洲;
短句来源
     Continental crust
     大陆地壳(二)
短句来源
     THE FAULT DELTA
     断块型三角洲
短句来源
     Continental Airlines, Northwest Airlines and Delta Air Lines Launched the Codeshare
     美大陆航、西北航和三角航代码共享
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In early Permian period,the epicontinental sea of North China Platform receded conti-nously to the south,thus the-coal accumulations of continental delta facies are generated inthe southeast of North China Platform.With the increase of the progradation of the delta,the coal-bearing coefficient and coal seam thickness increased synchronously from the North-west to the southeast,the accumulative basin and coal-rich belts migrated to the southeast successively and the coal-bearing horizons elevated...

In early Permian period,the epicontinental sea of North China Platform receded conti-nously to the south,thus the-coal accumulations of continental delta facies are generated inthe southeast of North China Platform.With the increase of the progradation of the delta,the coal-bearing coefficient and coal seam thickness increased synchronously from the North-west to the southeast,the accumulative basin and coal-rich belts migrated to the southeast successively and the coal-bearing horizons elevated simultaneously,and thus coal-rich areas of Permian period are formed in Huaihe river valley.Under the influence of Qinling latitudinal paleostructure,the rEgionalization and zona-tion of lithofacies-paleogeography and the wandering distribution of coal basin of Permian pe-riod in this area reveal the features of variation in S-N direction and extension in E-W direc- tion.Owing to the Qinling-Beihuaiyang ocean trough elevated pulsatively in late Permian Pe-riod,the seawater reflux along Queshan strait and Feidong strait to Huang-Huai(YellowRiver-Huaihe river)delta.With the lobes of the delta destroied,the gulf-lagoon and peat bogare developed,and the Huainan coal-bearing formation and coal-rich belt are deposited.

二叠纪早期,华北地台的陆表海不断向南退缩,从而在华北地台东南部开始了陆相三角洲的聚煤作用。伴随着三角洲体系的进积增生,含煤系数和煤层厚度由西北向东南同步增大,聚煤盆地和富煤带依次向东南迁移,含煤层位依次抬高,在淮河流域形成了二叠纪的富煤区。在秦岭纬向古构造的影响下,本区二叠纪岩相古地理的分区、分带及煤盆地的迁移展布,具有南北向变异、东西向延展的特点。晚二叠世由于南部的秦岭-北淮阳海槽脉动式抬升,导致海水沿确山海峡和肥东海峡向三角洲回流,三角洲的朵叶受到破坏,海湾泻湖和泥炭沼泽发育,沉积厂晚二叠世特有的淮南含煤组及用应的富煤带。

Eleven sedimentary supersequences CQ 1~11 of marine Paleozoic and Mesozoic sediments are recognized in the Coqen basin, Lhasa Block. Detailed characteristics of sedimentation, age range, number, and T-R tecture are described in the paper, and correlations and discussions of supersequence between Tethys Himalaya and Lhasa Block are made. CQ 1 is temporally thought to be the Cambrian supersequence due to crystallinely metamorphic rocks. CQ 2 of the Ordovician supersequence is dominated by black shale and...

Eleven sedimentary supersequences CQ 1~11 of marine Paleozoic and Mesozoic sediments are recognized in the Coqen basin, Lhasa Block. Detailed characteristics of sedimentation, age range, number, and T-R tecture are described in the paper, and correlations and discussions of supersequence between Tethys Himalaya and Lhasa Block are made. CQ 1 is temporally thought to be the Cambrian supersequence due to crystallinely metamorphic rocks. CQ 2 of the Ordovician supersequence is dominated by black shale and limestone, in which only regressive part is exposed and the transgressive sediment is not. CQ 3 within duration of ca. 39 Ma of the Silurian supersequence is characterized by a texture of depositional sequence sets from transgressive shalely and limy rocks to medium-thicked wackstone and packstone, within which abundant grapitutid and little thinned shelly brachiopod became shallower sea coral and conodent. The boundary between the CQ 2 and CQ 3 is placed at the Lower Ashgill of Upper Ordovician. As the Devonian supersequence in range of ca. 48 Ma, CQ4 can be broadly recognized in the Coqen basin, which is composed of transgrassive and regreassive sets. Thinned marlstone with the mixture of shale, siltstone, and sandstone and benthos associated with planktons comprises the former, and the later is of property of shallow sea dolomitized and crystalline limestone. This supersequence is separated the CQ 3 away by terrigenous sediment at the base of Devonian. CQ 5 is limited in Lower Carboniferous with an interval of ca. 33 Ma. It starts by the wormkalk at the bottom of Carboniferous and continues by bioclastic and intraclastic limestone, for which the transgrassive and regreassive depositional sets are vague to distinguish. CQ 6 ranges from upper Lower Carboniferous to lower Lower Permian with a total age of ca. 55 Ma. It is characterized by glaciomarine shale with lens of limestone and cool fauna fossils, and the boundary between CQ 6 and CQ 5 is located at the sharp contact of terrigenous rocks onto carbonate rocks. CQ 7 is the latest supersequence in Paleozoic, which has duration of age time ca. 30 Ma in most of Permian. The transgressive depositional sequence set is similar as the set in the CQ 6 and became the shallower carbonate sediments of regressive set. CQ 8 and CQ 7 are separated by disconformable and erosional surface at the base of the Triassic Quehala group. The age range of the supersequence is estimated 37 Ma. The transgressive set is not exposed, and the regression is consitituent of terrigenous turbidite of inner fan with little volcanic and carbonate rock. There is a nonconformity contact between the CQ 9 and CQ 8, above which the transgressive depositional sequence set is superposed by flysch middle and outer turbidite fan, and follows by changeable and complicated system sediment. It is ranges ca. 63 Ma and is separated over CQ 10 away by a regional unconformity. Supersequence CQ 10 is composed of kinds of limestone and clastic rocks in shallow sea environment deposited in Lower Cretaceous (50 Ma). The transgressive set is combined by hybrid sediments of shallow and volcanic rock, and the regressive by predominant carbonate rocks. The Upper Cretaceous supersequence CQ 11 is the only one superposed by much continental delta and shore facies. In general, the T-R sets are not readily differentiated either in filed or in room. Of them, three supersequences CQ 1~3 are classified in Early Paleozoic; four CQ 4~7 and four CQ 8~11 are in Late Paleozoic and Mesozoic respectively. The sedimentation, age range, number, and T-R texture of the super sequences CQ 1~3 are similar, but different are in the CQ 4~7 and CQ 8~11 of Upper Paleozoic and Mesozoic. We suppose that the turnover of supersequence from Early to Late Paleozoic could be caused by the changes of tectonic and types of sedimentary basin, but not by second-order sea-level change, because there should be a same / similar sedimentary response to eustatic change for sedimentary basins

识别划分了西藏南部拉萨地块 (措勤盆地 )古生代、中生代以海相为主的沉积地层相当于二级旋回的超层序11个 (CQ1~ 11) ,其中早古生代 3个 (CQ1~ 3 ) ,晚古生代 4个 (CQ4~ 7) ,中生代 4个 (CQ8~ 11) ;描述了各个超层序的特征 ;不仅在地块内进行了超层序对比 ,而且与印度北部边缘 (特提斯喜马拉雅 )显生宙的超层序进行了比较和讨论。研究表明 ,除早古生代外 ,藏南特提斯喜马拉雅和拉萨地块 (措勤盆地 )的超层序在数量、延时、结构方面极不相同 ,与所处地块构造背景和沉积盆地性质发生了变化有关。提出早古生代拉萨地块与印度次大陆同属冈瓦纳相区 (克拉通上的陆表海 ) ,晚古生代早期以后它们已不属同一大陆 ,整个晚古生代拉萨地块可能为冈瓦纳与劳亚大陆之间过渡带的一部分 ,中生代则成为Cimmeria次大陆的南部块体 ,冈瓦纳大陆在西藏境内的北界应为雅鲁藏布江缝合带。

Ordos basin is a large-scale Mesozoic inland depression-type basin with rich oil and gas resources. Yanchang Formation of Mesozoic is a set of inland lake basin sedimentation. The delta subtle oil reservoir formed on the basis of the sedimentation is mainly under the control of unfolding of a large-scale delta sandbody. The reservoir type is mainly the lithologic oil reservoir with poor reservoir conditions, high heterogeneous degree, complicated oil-water relations and strong subtle character. Based on such...

Ordos basin is a large-scale Mesozoic inland depression-type basin with rich oil and gas resources. Yanchang Formation of Mesozoic is a set of inland lake basin sedimentation. The delta subtle oil reservoir formed on the basis of the sedimentation is mainly under the control of unfolding of a large-scale delta sandbody. The reservoir type is mainly the lithologic oil reservoir with poor reservoir conditions, high heterogeneous degree, complicated oil-water relations and strong subtle character. Based on such oil reservoir characteristics, Changqing Oilfield has adopted continental delta reservoir theories to strengthen the comprehensive geological study and select the favorable targets for exploration. Meanwhile, the oil field has made active application of such exploration techniques as seismic reservoir prediction, precise logging interpretation, fracturing renovation and oil reservoir protection to bring about major breakthroughs in exploration of Mesozoic low-permeability oil reservoirs in Ordos basin. In the recent years, exploration of the low-permeability Chang-6 to Chang-8 oil reservoirs in Longdong area of the basin has led to discovery of Xifeng Oil Field with 100 million tons of reserves while the oil-bearing scope is continuously expanding in exploration of the delta reservoir in the northern part of Shaanxi Province with the proven oil in place raised considerably, achieving remarkable performance in exploration.

鄂尔多斯盆地是一个大型中生代内陆坳陷型盆地,油气资源丰富。中生界延长组为一套内陆湖盆沉积,其形成的三角洲隐蔽性油藏主要受控于大型三角洲砂体的展布,油藏类型以岩性油藏为主,具有储集条件差、非均质程度高、油水关系复杂、隐蔽性强的特点。针对盆地油藏特点,长庆油田应用陆相三角洲成藏理论不断深化综合地质研究,优选有利勘探目标,同时积极应用地震储层预测、测井精细解释、压裂改造、油层保护等勘探技术,使鄂尔多斯盆地中生界低渗透油藏的勘探取得重大进展。近年来,在盆地陇东地区长6-长8低渗透油层勘探中,发现亿吨级整装西峰油田;在陕北三角洲油藏勘探中,含油范围不断扩大,探明石油地质储量大幅度增加,勘探成效显著。

 
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