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Journal of Earth Science 2014年第4期25卷 713-718页

作者： Ning Ma Dujie Hou hesheng shi Shenzhen Branch of CNOOC Ltd. Key Laboratory of Marine Reservoir Evolution and Hydrocarbon Accumulation Mechanism Ministry of Education School of Energy Resources China University of Geosciences (Beijing)

Novel tetracyclic terpanes X and Y namely C24-des-A-oleanane and C27 tetracyclic terpane were detected in crude oils and source rock extracts in Zhu 1 depression in Pearl River Mouth Basin by GC-MS analysis technology. These compounds are similar to oleanane in the structure, and their relative abundance in m/z 191 partial mass cbromatogram has a good correlation with oleanane. Here compounds X and Y are considered to be derived from the des-A degradation of oleanoid precursor. The ratio of X/（X-I-C24） and Y/（Y-I-C24） increase with the increasing inputs of terrigenous organic matter in crude oils. Wenchang Formation middle-deep lacustrine source rocks with planktonic algae organic matter inputs and oil generating from it contain low abundance of compounds X and Y, while Enping Formation coal measures source rocks with terrigenous higher plants organic matter inputs and oil generating from it usually have higher compounds X and Y. In general when two terrigenous compounds C19 tricyclic terpane and bicadinane-T are high in crude oils, there are also a corresponding high abundant compounds X and Y. Relative abundance of compounds X and Y is closely related to the source of organic matter and it can indicate the input of terrigenous organic matter.

关键词： tetracyclic terpane terrigenous input oil genetic type Pearl River Mouth Basin.

Evolution of Low-Angle Normal Faults in the Enping Sag,the Northern South China Sea: Lateral Growth and Vertical Rotation

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Journal of Earth Science 2019年第6期30卷 1326-1340页

作者： Zhichao Zhou Lianfu Mei hesheng shi Yu Shu Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education China University of GeosciencesWuhan 430074China Research Institute of Exploration and Development PetroChina Tuha Oil Field CompanyHami 839000China Shenzhen Branch of the China National Offshore Oil Corporation Shenzhen 518000China

Low-angle normal faults(dip<30°,LANFs)are widespread in the northern margin of the South China Sea where the maximum crust thickness is approximately 30.0 *** on 3 D seismic survey data and drilling wells in the Enping sag,evidences for LANFs that initially formed at high-angles are *** a detailed investigation of extensional fault system and description of 3 D fault geometry,the initial fault dips under the model of distributed vertical simple shear are also *** results indicate that the present-day dip angles of the LANFs are in the range of 12°to 29°,and the initial fault dip angles are in the range of 39°to 49°.Deep seismic imaging suggests that the upper crust in the footwall block of the LANFs was tilted at an angle of ~14°to 22°due to the isostatic rebound during ***,the temporal and spatial sequences of the lateral growth of the LANFs have been investigated by the seismic interpretation of four isochronous stratigraphic interfaces,which demonstrates that two individual fault segments propagated towards each other and subsequently,were hard-linked during the Early Eocene.

关键词： low-angle normal fault fault rotation fault growth Enping sag Pearl River Mouth Basin the South China Sea

Zircon U-Pb Dating on Granitoids from the Northern South China Sea and its Geotectonic Relevance

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Acta Geologica Sinica(English Edition) 2011年第6期85卷 1359-1372页

作者： shi hesheng XU Changhai ZHOU Zuyi MA Changqian tate Key Laboratory of Marine Geology longji University Shanghai 200092 China CNOOC China Limited-Shenzhen Shenzhen 518067 China State Key Laboratory of Geological Processes and Mineral Resources China University of Geosciences Wuhan 430074 China

Zircon U-Pb ages of 163.8-100.4 Ma and 146.6-134.5 Ma are obtained for the granitoids from the Pearl River mouth basin, and from southern Guangdong Province, respectively. These new dating data accord well with the crystallization ages of Yanshanian granitoids broadly in the Nanling. The active continental margin of South China, as revealed by a combination of zircon U-Pb data, underwent a key granitoid-dominated magmatism in 165-100 Ma. Its evolution varied temporally, and spatially, registering under control of the paleo-Pacific slab subduction. The granitoids that occurred in 165-150 Ma broadly from the South China Sea to the Nanling are preferably related to two settings from volcanic-arc to back-arc extension, respectively. The activities of Cretaceous granitoids migrated from the southeastern Guangdong （148-130 Ma） to the Pearl River Mouth basin （127-112 Ma）, corresponding to the model of a retreating subduction. The subduction-related granitoid magmatism in South China continued until 108-97 Ma. A tectonic transformation from slab-subduction to extension should occur at -100 Ma.

关键词： granitoid zircon U-Pb dating active continental margin South China

Genetic pattern of belt-wide petroliferous phenomenon in the eastern Pearl River Mouth Basin and its practical application

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Petroleum Science 2014年第1期11卷 1-13页

作者： shi hesheng Dai Yiding Liu Lihua Shu Yu Mei Lianfu CNOOC China Limited–Shenzhen Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education China University of Geosciences

The Pearl River Mouth Basin （PRMB） covers an area of approximately 20× 104 ***,oil-gas fields detected in this area thus far are highly concentrated and controlled predominantly by second-order structural belts,the seven largest of which aggregate proved oil reserves of 7.7× 108 m3,accounting for 86％ of the total discovered reserve in the *** second-order structures have one common phenomenon：oil is contained in all traps present in *** other words,they are all belt-wide petroliferous *** has identified eight types of second-order structural belts under two categories in the eastern *** petroliferous properties are subject to three typical constraints：petroliferous properties of subsags hosting these structural belts,locations of these belts in the petroleum system,and availability of traps prior to the hydrocarbon expulsion and *** formation and distribution of oil reservoirs in these belts are characterized by subsag-belt integration and ＂three-in-one＂.The former indicates that sags and the second-order structural belts within the supply range of the sags constitute the basic units of hydrocarbon accumulations and are therefore *** latter indicates that a belt-wide petroliferous second-order structural belt always contains three important elements：hydrocarbon richness,effective pathway and pre-existing traps.

关键词： Pearl River Mouth Basin belt-wide petroliferous phenomenon second-order structural belt petroleum exploration

The Southward Extension of Cathaysia Block: Evidence from Zircon UPb Dates of Borehole Volcanics in the Northern South China Sea

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Acta Geologica Sinica(English Edition) 2013年第5期87卷 1370-1386页

作者： XU Changhai QUE Xiaoming shi hesheng ZHOU Zuyi MA Changqian State Key Laboratory of Marine Geology Tongji University CNOOC China Limited-Shenzhen State Key Laboratory of Geological Processes and Mineral Resources China University of Geosciences

Five Paleogene volcanics sampled from the northern South China Sea were analyzed via LA-ICP-MS zircon U-Pb dating, including basalt and andesite from Borehole SCSVI and volcanic agglomerate from Borehole SCSV2, respectively. A total of 162 zircon U-Pb dates for them cover an age range from Neoarchean to Eocene, in which the pre-Paleocene data dominate. The Paleogene dates of 62.5±2.2 Ma and 42.1±2.9 Ma are associated with two igneous episodes prior to opening of South China Sea basin. Those pre-Paleocene zircons are inherited zircons mostly with magmatogenic oscillatory zones, and have REE features of crustal zircon. Zircon U-Pb dates of 2518-2481 Ma, 1933- 1724 Ma, and 1094-1040 Ma from the SCSV1 volcanics, and 2810-2718 Ma, 2458-2421 Ma, and 1850-993.4 Ma from the SCSV2 volcanics reveal part of Precambrian evolution of the northern South China Sea, well comparable with age records dated from the Cathaysia block. The data of 927.0±6.9 Ma and 781±38 Ma dated from the SCSV2 coincide with amalgamation between Yangtze and Cathaysia blocks and breakup of the Rodinia, respectively. The age records of Caledonian orogeny from the Cathaysia block are widely found from our volcanic samples with concordant mean ages of 432.0±5.8 Ma from the SCSV1 and of 437±15 Ma from the SCSV2. The part of the northern South China Sea resembling the Cathaysia underwent Indosinian and Yanshannian tectonothermal events. Their age signatures from the SCSV1 cover 266.5±3.5 Ma, 241.1±6.0 Ma, 184.0±4.2 Ma, 160.9±4.2 Ma and 102.8±2.6 Ma, and from the SCSV2 are 244±15 Ma, 158.1±3.5 Ma, 141±13 Ma and 96.3±2.1 Ma. Our pre-Paleogene U-Pb age spectra of zircons from the borehole volcanics indicate that the northern South China Sea underwent an evolution from formation of Precambrian basement, Caledonian orogeny, and Indosinian orogeny to Yanshannian magmatism. This process can be well comparable with the tectonic evolution of South China, largely supporting the areas of the northern South China Sea as p

关键词： Borehole volcanics zircon U-Pb dates northern South China Sea Cathaysia

Huizhou Movement and its significance in Pearl River Mouth Basin, China

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Petroleum Exploration and Development 2020年第3期47卷 483-498页

作者： shi hesheng DU Jiayuan MEI Lianfu ZHANG Xiangtao HAO shihao LIU Pei DENG Peng ZHANG Qin Exploration Department of CNOOC Ltd. Beijing 100010China Shenzhen Branch of CNOOC Ltd. Shenzhen 518000China Key Laboratory of Tectonics and Petroleum Resources Ministry of EducationChina University of GeosciencesWuhan 430074China

The Huizhou Movement refers to the Middle Eocene tectonic transition from the early to the late Wenchang Rifting stage(about 43 Ma ago) in the Pearl River Mouth Basin. Based on seismic reflection, drilling, logging and geological data, fault characteristic analysis, denudation thickness recovery, magmatism statistics, regional tectonic dynamics comparison and other methods are used to reveal the characteristics, properties and dynamic mechanism of the Huizhou Movement. The Huizhou Movement mainly shows the North-South transition of rifting and the migration along the faults, basement uplift, magmatic diapir and stratigraphic denudation. It is believed that the Huizhou Movement is a comprehensive reflection of plate interaction and lithospheric thinning process in the Pearl River Mouth Basin, which is closely related to the transition of lithosphere from initial rifting to rapid thinning, the India-Eurasia hard collision and the change of subduction direction of the Pacific plate. The Huizhou Movement has significant influence and control on the Paleogene hydrocarbon-generating sags and the development of hydrocarbon source rocks, sedimentary system and deep high-quality reservoir, hydrocarbon migration and accumulation in the Pearl River Mouth Basin.

关键词： Huizhou Movement hydrocarbon accumulation Eocene Paleocene Pearl River Mouth Basin

Detrital K-feldspar^(40)Ar/^(39)Ar Ages:Source Constraints of the Lower Miocene Sandstones in the Pearl River Mouth Basin,South China Sea

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Acta Geologica Sinica(English Edition) 2012年第2期86卷 383-392页

作者： LIU Zaisheng shi hesheng ZHU Junzhang QIU Huaning ZHANG Zhilin YUN Jianbing CNOOC China Limited Shenzhen Shenzhen 518067China State Key Laboratory of Isotopic Geochemistry Guangzhou Institute of GeochemistryChinese Academy of SciencesGuangzhou 510640China Hailaer Petroleum Exploration and Development Headquarters PetroChina Daqing Oilfield Company Ltd.Hailar 021000China

The South China Sea began to outspread in the Oligocene. A great quantity of terraneous detritus was deposited in the northern continental shelf of the sea, mostly in Pearl River Mouth Basin, which constituted the main paleo-Pearl River Delta. The delta developed for a long geological time and formed a superimposed area. Almost all the oil and gas fields of detrital rock reservoir distribute in this delta. Thirty-three oil sandstone core samples in the Zhujiang Formation, lower Miocene （23-16 Ma）, were collected from nine wells. The illite samples with detrital K feldspar （Kfs） separated from these sandstone cores in four sub-structural belts were analysed by the high-precision 40Ar/39Ar laser stepwise heating technique. All 33 illite 40Ar/39Ar data consistently yielded gradually rising age spectra at the low-temperature steps until reaching age plateaus at mid-high temperature steps. The youngest ages corresponding to the beginning steps were interpreted as the hydrocarbon accumulation ages and the plateau ages in mid-high temperature steps as the contributions of the detrital feldspar representing the ages of the granitic parent rocks in the provenances. The ages of the detrital feldspar from the Zhujiang Formation in the four sub-structural belts were different：（1） the late Cretaceous ages in the Lufeng 13 fault structural belt; （2） the late Cretaceous and early Cretaceous-Jurassic ages in the Huizhou 21 buried hill-fault belt; （3） the Jurassic and Triassic ages in the Xijiang 24 buried hill-fault belt; and （4） the early Cretaceous - late Jurassic ages in the Panyu 4 oil area. These detrital feldspar 4~Ar/39Ar ages become younger and younger from west to east, corresponding to the age distribution of the granites in the adjacent Guangdong Province, Southern China.

关键词： Illite detrital K feldspar 40Ar/39Ar dating parent rock sandstone reservoir Pearl River Mouth Basin

A novel purification technique for noble gas isotope analyses of authigenic minerals

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Science China Earth Sciences 2016年第10期59卷 111-117页

作者： HE LiYan QIU HuaNing shi hesheng ZHU JunZhang BAI XiuJuan YUN JianBing State Key Laboratory of Isotope Geochemistry Guangzhou Institute of GeochemistryChinese Academy of SciencesGuangzhou 510640China Exploration Department of CNOOC Ltd. Beijing 100010China CNOOC Limited-Shenzhen Shenzhen 518067China Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education China University of GeosciencesWuhan 430074China Exploration Department of Daqing Oilfield Co.Ltd. Daqing 163712China

高贵、活跃的气体为高贵煤气的同位素分析在煤气的抽取期间被免除地质的样品。活跃气体应该为分析在 inletting 前被移开到集体分光计。准备系统能在很地质的样品上面清洗的正常高贵气体。然而，从油 / 气体地里的沉积岩石的 authigenic... 详细信息

高贵、活跃的气体为高贵煤气的同位素分析在煤气的抽取期间被免除地质的样品。活跃气体应该为分析在 inletting 前被移开到集体分光计。准备系统能在很地质的样品上面清洗的正常高贵气体。然而，从油 / 气体地里的沉积岩石的 authigenic 矿物质包含有机物，它不能被正常准备系统清理并且因此影响高贵煤气的分析。我们介绍一个新奇煤气的纯化系统(中华人民共和国专利没有。ZL201320117751.2 ) ，它与不同吸收并且排除包括几可逆纯化泵温度。它能很好清理水蒸气，二氧化碳和器官的气体。云母矿物质经常为 40Ar/39 标明日期的 Ar。不能被正常准备系统与二 SAES NP10 ? getters 清理的一件白云母样品(2082MS ) ，在这研究为一个比较实验成为测试样品。实验与接着关上 / 打开的器官的煤气的移动系统(OGRS ) 被分配进 4 节。当 OGRS 为纯化仅仅与二 NP10 getters 被关上时， 40 因为杂质， Ar 紧张与入口时间在曲线增加， 40Ar/39 关于瑥潲潬楧慣?洠湩牥污杯捩污愠摮朠潥档浥捩污攠楶敤据 e 的 Ar

关键词：煤气净化系统稀有气体同位素自生矿物技术分析惰性气体制备系统活性气体地质样品

珠江口盆地惠州26洼“源-汇-聚”特征与惠州26-6大油气田发现启示

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石油与天然气地质 2022年第4期43卷 777-791页

作者：施和生高阳东刘军朱俊章龙祖烈史玉玲中海石油(中国)有限公司勘探部北京100010 中海石油(中国)有限公司深圳分公司广东深圳518054

珠江口盆地发现的油气资源主要集中在拗陷期沉积的中新统-渐新统,在断陷期沉积的始新统中找到的油气仅占已发现油气资源的8%,而在中生代古潜山领域尚未获得商业性油气发现。富烃洼陷是否有大量的油气仍保存在中-深层的断陷层系内,古近... 详细信息

珠江口盆地发现的油气资源主要集中在拗陷期沉积的中新统-渐新统,在断陷期沉积的始新统中找到的油气仅占已发现油气资源的8%,而在中生代古潜山领域尚未获得商业性油气发现。富烃洼陷是否有大量的油气仍保存在中-深层的断陷层系内,古近系和中生代古潜山(“双古”)地层油气运-汇通道是否有效发育,成藏动力的强弱,以及圈闭和储-盖组合是否发育等是古近系和中生代古潜山领域勘探面临的主要问题。基于“源-汇-聚”评价思想,通过对珠江口盆地惠州26洼的源(烃源岩类型与质量、热成熟演化史与生排烃史、油气资源类型与规模)、汇(运-汇单元、运-汇方向、输导通道、汇聚强度)、聚(二级构造带与圈闭、储-盖组合、充注强度、保存条件)等静态和动态成藏要素相结合进行深入研究,揭示了惠州26洼古近系和中生代古潜山领域的源-汇-聚特征,提出了“油型烃源岩晚期加快熟化、先油后气、断-压双控、源-储对接强势供烃、立体运聚”动态成藏模式,推动了惠州26-6构造古近系和中生代古潜山新领域勘探获得重大突破。

关键词：动态成藏源-汇-聚评价中生代古潜山古近系惠州26-6油气田惠州26洼珠江口盆地

珠江口盆地白云—荔湾深水区油气成藏条件及勘探方向

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天然气工业 2014年第5期34卷 29-36页

作者：林鹤鸣施和生中海石油(中国)有限公司深圳分公司

珠江口盆地白云—荔湾深水区的天然气勘探已经历了5个阶段,经地质综合研究认为:①白云凹陷具备优越的烃源条件,经历了断陷—断坳—坳陷3大构造演化阶段,断陷期沉积的文昌组—恩平组具有巨大的生烃能力,断坳期和坳陷期受渐新世和中新世2... 详细信息

珠江口盆地白云—荔湾深水区的天然气勘探已经历了5个阶段,经地质综合研究认为:①白云凹陷具备优越的烃源条件,经历了断陷—断坳—坳陷3大构造演化阶段,断陷期沉积的文昌组—恩平组具有巨大的生烃能力,断坳期和坳陷期受渐新世和中新世2个陆架坡折带的控制,形成的渐新世珠海组浅海三角洲—滨岸沉积体系和中新世珠江组—韩江组深水扇沉积体系,是深水区最有利的2套储盖组合;②该深水区油气的成藏规律不同于北部浅水区,陆架坡折带、构造脊+断裂+砂体+不整合+流体底辟复合油气输导体系及晚期构造运动是控制该区油气运移和成藏的3大要素;③荔湾3-1深水气田是上述成藏条件共同作用下的典型代表,优越的圈闭条件,受陆架坡折带控制的三角洲分流河道相优质储层,断层+底辟构造构成的垂向输导体系和上覆巨厚的海相泥岩盖层,是大气田形成的有利地质条件。进而指出近期该区天然气的勘探方向:①凹陷中央的深水扇体系;②白云凹陷主洼东西两侧的隆起区构造—地层复合圈闭群;③主洼西南侧断阶带上一系列的大型构造圈闭群;④南侧荔湾等一系列凹陷的超深水新区。

关键词：珠江口盆地白云凹陷荔湾凹陷荔湾深水气田油气藏形成坡折带底辟构造勘探区