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Tectonics of the offshore Red River Fault recorded in the junction of the Yinggehai and Qiongdongnan Basins

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Science China Earth Sciences 2021年第1期64卷 1893-1908页

作者： Chao LEI Jianye REN jianxiang pei Bowen LIU Xiang ZUO Jiaao LIU Shiguo ZHU Hubei Key Laboratory of Marine Geological Resources College of Marine Science and TechnologyChina University of GeosciencesWuhan 430074China Southern Marine Science and Engineering Guangdong Laboratory Guangzhou 511458China Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education China University of GeosciencesWuhan 430074China China National Offshore Oil Corporation Ltd. Zhanjiang 524057China

The Red River Fault,which originated from the southeastern margin of the Tibetan Plateau,has a great significance for obtaining a further understanding of the regional tectonics,topography and river catchment evolution,as well as the petroliferous sedimentary basin *** junction of the Yinggehai and Qiongdongnan Basins(YQB Junction)is the key to understanding when and how the strike-slip deformation on the South China Sea resulted from the collision between the Indian and Eurasian *** this study,we show regional seismic profiles,3D seismic and drilling core data to analyze the tectonostratigraphy in the YQB Junction,aiming to identify its tectonic framework and the associated faults system.A transitional domain from the strike-slip zone to the extensional deformation zone was mapped,which consisted of the No.1 Fault and the Zhongjian *** strike-slip faulting in the YQB Junction was active during the Oligocene-Early Miocene,with a period of strong faulting in the Early *** with the regional tectonic evolution,a coevolution model of strike-slip and extensional deformation in the YQB Junction and the adjacent area was *** the Eocene,the YQB Junction was controlled by the NW-SE extension and formed a series of distributed rifts bounded by the NE-striking faults and filled up with proximal *** the earliest Oligocene,a NW-trending strike-slip fault began to develop in the YQB Junction and crosscut the NEstriking normal *** the occurrence of the strike-slip faults,the NE-striking faults,to the west of the No.1 Fault and the Zhongjian Uplift,failed to ***,to the east of the No.1 Fault and the Zhongjian Uplift,the faulting continued to develop until the latest Late *** faulting of the NW-trending faults was observed to be active until the earliest Middle *** then,with the exception of some diapiric structures and associated small-scale faulting in the Yinggehai Basin,we did not observe

关键词： Red River Fault South China Sea Southeastern margin of the Tibetan Plateau Junction of the Yinggehai and Qiongdongnan Basins

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Reinterpretation of the northern South China Sea pre-Cenozoic basement and geodynamic implications of the South China continent: constraints from combined geological and geophysical records

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Acta Oceanologica Sinica 2021年第2期40卷 13-28页

作者： Weilin Zhu Yuchi Cui Lei Shao peijun Qiao Peng Yu jianxiang pei Xinyu Liu Hao Zhang State Key Laboratory of Marine Geology Tongji UniversityShanghai 200092China The Institute for Geoscience Research(TIGeR) School of Earth and Planetary SciencesCurtin UniversityPerth 6845Australia Hainan Energy Co. Ltd.CNOOCHaikou 570145China

The pre-Cenozoic northern South China Sea(SCS)Basin basement was supposed to exist as a complex of heterogeneous segments,divided by dozens of N-S ***,only the Hainan Island and the northeastern SCS region were modestly dated while the extensive basement remains roughly postulated by limited geophysical *** study presents a systematic analysis including U-Pb geochronology,elemental geochemistry and petrographic identification on granite and meta-clastic borehole samples from several key *** from gravity-magnetic joint inversion,this interpretation will be of great significance revealing the tectono-magmatic evolution along the southeastern margin of the Eurasian *** the thick Cenozoic sediments,the northern SCS is composed of a uniform Mesozoic basement while the Precambrian rocks are only constricted along the Red River Fault *** eastern part of the northern SCS below the Cenozoic succession was widely intruded by granites with Jurassic-to-early Cretaceous *** western part,on the other hand,is represented by meta-sedimentary rocks with relatively sporadic granite *** be noted,the western areas derived higher-degree and wider metamorphic zones,which is in contrast with the lowerdegree and narrower metamorphic belt developed in the eastern *** collisions between the Indochina Block and South China continent took place since at least late Triassic,resulting in large-scale suturing and deformation *** the westernmost part of the northern SCS,the intracontinental amalgamation with closure of the Meso-Tethys has caused fairly stronger and broader *** metamorphic biotite granite is located on the suturing belt and yields a Precambrian U-Pb *** likely represents the relict from the ancient Gondwana supercontinent or its ***-continental collision between the Paleo-Pacific and the southeast China Block,on the other hand,results in a relatively narrow NE–SW tren

关键词： South China Sea pre-Cenozoic basement U-Pb geochronology Paleo-Pacific subduction intracontinental collision metamorphic belt

北部湾盆地涠西南凹陷流一段强制湖退沉积体的特征及其油气地质意义

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石油与天然气地质 2016年第4期37卷 520-527页

作者：裴健翔董贵能朱其中海石油(中国)有限公司湛江分公司广东湛江524057

北部湾盆地涠西南凹陷始新统流沙港组一段发育一套斜交前积结构地层。利用地质、测井和地震等资料,通过单井相、连井对比和地震相特征等沉积相的综合研究,证实这套地层为强制湖退沉积体。该强制湖退沉积体在单井相上具有自下而上沉积水... 详细信息

北部湾盆地涠西南凹陷始新统流沙港组一段发育一套斜交前积结构地层。利用地质、测井和地震等资料,通过单井相、连井对比和地震相特征等沉积相的综合研究,证实这套地层为强制湖退沉积体。该强制湖退沉积体在单井相上具有自下而上沉积水体明显变浅的特征,在连井对比中表现为多期三角洲纵向叠置横向有序迁移,而地震反射同相轴则表现出明显的斜交前积特征。进一步的研究表明,沉积基底局部构造抬升是流一段发生强制湖退的主控因素。这套强制湖退沉积体的发现不仅解决了涠西南凹陷涠三段和流一段区域地层划分与对比存在的分歧,同时在强制湖退沉积体系域内找到了浊积体、湖底扇和进积三角洲等多类型岩性圈闭,并发现了油气藏,拓展了凹陷找油新领域。

关键词：强制湖退沉积体流沙港组涠西南凹陷北部湾盆地

莺歌海盆地乐东气田天然气成藏条件及富集模式

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天然气工业 2013年第11期33卷 16-21页

作者：李绪深裴健翔李彦丽中海石油(中国)有限公司湛江分公司研究院

乐东气田是莺歌海盆地乐东区中—浅层大型气田,其气藏类型为底辟穹隆背斜控制的构造—岩性气藏。为研究其底辟构造特殊的天然气富集模式,分析了该区天然气的成藏条件:乐东22-1/15-1气田所属构造位于中央坳陷带生烃凹陷内,烃源条件优越,... 详细信息

乐东气田是莺歌海盆地乐东区中—浅层大型气田,其气藏类型为底辟穹隆背斜控制的构造—岩性气藏。为研究其底辟构造特殊的天然气富集模式,分析了该区天然气的成藏条件:乐东22-1/15-1气田所属构造位于中央坳陷带生烃凹陷内,烃源条件优越,底辟上拱为天然气聚集提供了富集场所,同时深部高压型复式地温—地压系统又为天然气向浅部正常温压系统运移提供了动力,天然气沿着与底辟活动有关的断裂—微裂隙垂向运移至浅部滨海砂岩和风暴砂岩储层中。在此基础上,根据该区底辟构造与天然气的空间配置关系,结合生烃动力学、碳同位素动力学等研究方法,探讨了该区底辟构造与天然气富集的关系。结果表明:①底辟构造决定了天然气的空间配置关系,天然气聚集在底辟成藏条件配置好的顶部及两侧的构造、岩性圈闭中;②底辟构造的发育演化过程与油气生成及运聚成藏等均具有成因联系和耦合关系。结论认为:该区的天然气藏为晚期富集,具有多源混合—幕式成藏的特点;其油气充注过程可分为3期,与底辟构造的期次幕式活动相匹配。

关键词：莺歌海盆地乐东22 1 15 1气田成藏条件富集模式底辟构造幕式活动断裂一微裂隙碳同位素值

南海西部海域宝岛21-1气田的发现与成藏模式

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中国海上油气 2022年第5期34卷 13-22页

作者：邓勇裴健翔胡林尤丽中海石油(中国)有限公司湛江分公司广东湛江524057 中海石油(中国)有限公司海南分公司海南海口570100

琼东南盆地是南海西部海域天然气勘探主战场之一,目前已发现的大中型气田,主要集中于西部崖南凹陷浅水区与乐东-陵水凹陷深水区,东部松南-宝岛凹陷发现的气藏规模小、非烃含量普遍较高,一直未获得规模商业性突破。近年来,基于新一轮油... 详细信息

琼东南盆地是南海西部海域天然气勘探主战场之一,目前已发现的大中型气田,主要集中于西部崖南凹陷浅水区与乐东-陵水凹陷深水区,东部松南-宝岛凹陷发现的气藏规模小、非烃含量普遍较高,一直未获得规模商业性突破。近年来,基于新一轮油气地质研究,转变勘探思路,认为宝岛21断阶带紧邻生烃中心,发育近物源大型三角洲储集体,主通源断裂与凹陷边界深大断裂呈平行关系,且活动停止时间早,预测CO含量低,为烃类气的有利汇聚区,可作为宝岛北坡突破的首选方向。据此实施钻探,在宝岛凹陷成功发现古近系深水气田—宝岛21-1气田,实现宝岛凹陷勘探半个世纪以来首个重大突破。宝岛21-1气田的发现证实宝岛凹陷北部断阶带具有“转换断阶控源、控储、控聚”天然气高效成藏模式。同时,认为富烃凹陷的转换断阶带与古近系陵水组和崖城组三角洲构成的良好耦合区,是南海北部天然气勘探的重点方向。

关键词：南海西部海域深水区断阶带宝岛21-1 构造-岩性气田勘探思路

琼东南盆地第四纪中央峡谷体系沉积演化与油气前景

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地球科学 2023年第2期48卷 451-464页

作者：裴健翔宋鹏郭明刚毛雪莲中海石油(中国)有限公司海南分公司海南海口570312 中海油海南能源有限公司海南海口570105 中海石油(中国)有限公司湛江分公司广东湛江524057

基于琼东南盆地中央峡谷已有钻井和高品质新地震资料,对第四纪中央峡谷体系的外部形态、内部构成、沉积演化过程及其主控因素等进行了系统梳理和研究,明确中央峡谷体系经历了晚中新世侵蚀充填期(Ⅰ期),早上新世平静充填期(Ⅱ期)和第四... 详细信息

基于琼东南盆地中央峡谷已有钻井和高品质新地震资料,对第四纪中央峡谷体系的外部形态、内部构成、沉积演化过程及其主控因素等进行了系统梳理和研究,明确中央峡谷体系经历了晚中新世侵蚀充填期(Ⅰ期),早上新世平静充填期(Ⅱ期)和第四纪早期回春充填期(Ⅲ期)3期演化阶段,提出控制中央峡谷体系前两期形成的负地貌和物源供给在第四纪峡谷西段仍然存在.进一步研究表明西段早期多物源体系在第四纪变为昆嵩隆起秋盆河单物源,进积型陆坡控制了半限制型负地貌和砂质沉积逐渐向南东迁移,并在第四纪早期(S14)填平峡谷.在此认识指导下首次在峡谷西段浅层发现了3期第四纪半限制型海底扇群,具备"深浅双源供烃-优势通道复合输导-浅层水合物地层封盖-海底扇成藏"的成藏模式,是下一步深水区浅层寻找大中型气田的有利新领域.

关键词：中央峡谷体系第四纪沉积演化油气前景琼东南盆地石油地质

Design of efficient thermoelectric generators

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Science China Materials 2024年第1期67卷 377-378页

作者： Min Liu Yanzhong pei Interdisciplinary Materials Research Center School of Materials Science and EngineeringTongji UniversityShanghai 201804China

Thermoelectricity,which enables direct conversion between heat and electricity,undergoes impressive developments in recent decades,and is particularly promising for recovering low-grade heat of<600 K[1,2].Currently,only Bi2Te3-based thermoelectric devices are commercialized[3].However,the scarcity of tellurium(Te)(Fig.1a)is the main *** leads to numerous recent efforts on the development of efficient nonBi2Te3 thermoelectrics as potential alternatives,and successful examples(Fig.1b)include Mg3Sb2-alloys[2,3]and MgAgSb[1,2].

关键词： enable efficient electricity

莺歌海盆地中深层天然气勘探的关键问题及对策

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石油学报 2011年第4期32卷 573-579页

作者：裴健翔于俊峰王立锋郝德峰刘峰中海石油(中国)有限公司湛江分公司广东湛江524057

现阶段莺歌海盆地中深层天然气勘探面临3个关键问题:①强超压层系内天然气是否可以成藏;②中深层沉积体系复杂,优质储层分布规律不清;③储层评价和烃类检测技术遇到瓶颈,储层含气性不易识别。经深入分析近年中深层高温高压钻井和勘探实... 详细信息

现阶段莺歌海盆地中深层天然气勘探面临3个关键问题:①强超压层系内天然气是否可以成藏;②中深层沉积体系复杂,优质储层分布规律不清;③储层评价和烃类检测技术遇到瓶颈,储层含气性不易识别。经深入分析近年中深层高温高压钻井和勘探实践,认为烃类气已在中深层聚集成藏,但储层物性较差,因此,寻找优质储层是当前天然气勘探取得突破的关键。策略上,一是要利用地震沉积学的方法和思路寻找有利相带,预测优质储层;二是要进行储层类比研究,充分认识储层内非均质性引起的物性变化,探索优质储层的分布规律;三是要以岩石物理研究为基础和桥梁,利用高精度三维地震资料尝试叠前地球物理反演研究,增强烃类检测的可靠性,提高气层预测的精度。

关键词：莺歌海盆地底辟带中深层高温高压储层预测

莺歌海盆地中深层黄流组高压气藏形成新模式——DF14井钻获强超压优质高产天然气层的意义

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中国海上油气 2011年第4期23卷 213-217页

作者：王振峰裴健翔中海石油(中国)有限公司湛江分公司

DF14井在莺歌海盆地中深层黄流组一段(压力系数大于1.9)获得优质高产天然气流,具有重要的领域突破意义。分析了黄流组高压气藏成藏机制,指出气藏具有纵向聚集、高压封盖、大型海底扇砂岩储集、向底辟构造远端超覆尖灭形成侧封的岩性气... 详细信息

DF14井在莺歌海盆地中深层黄流组一段(压力系数大于1.9)获得优质高产天然气流,具有重要的领域突破意义。分析了黄流组高压气藏成藏机制,指出气藏具有纵向聚集、高压封盖、大型海底扇砂岩储集、向底辟构造远端超覆尖灭形成侧封的岩性气藏新模式。

关键词：莺歌海盆地中深层黄流组高压岩性气藏成藏模式