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Comparison of the Petroleum Geology in the Deep-Water Basins between the Passive Margin of Morocco and Its Conjugate Margin of Canada

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Journal of Earth Science 2020年第5期31卷 919-929页

作者： Chengpeng Song Shu Jiang zhixin wen Zhaomin Wang PetroChina Research Institute of Petroleum Exploration and Development Beijing 100083China Key Laboratory of Tectonics and Petroleum Resources of Ministry of Education&School of Earth Resources China University of GeosciencesWuhan 430074China

This paper systematically investigates and compares the petroleum geology elements and oil and gas exploration potential in the deep-water basins along the conjugate passive margins between Morocco in NW Africa and Nova Scotia in Canada. Both the deep-water basins along the passive margin in Morocco and its conjugate passive margin deep-water basin in Nova Scotia have undergone similar multiple stages of tectonic evolution. These conjugate basins both have Jurassic and Cretaceous source rocks;Triassic sandstone, Jurassic–Cretaceous carbonate and sandstone, and Miocene–Pliocene sandstone reservoirs;multiple sets of mudstones and regional Triassic salt as caprocks. These characteristics indicate good hydrocarbon accumulation conditions and exploration prospects. The comparison also reveals that the key exploration targets in the deep-water basins of Morocco should be Tertiary turbidite sandstone reservoirs and Jurassic–Cretaceous sandstone and carbonate reservoirs. Compared with the Scotian Basin, the Morocco deep-water basins may have Paleozoic play potential sourced from the mature Silurian hot shale source rock that extends from the onshore NW African Plate. The prospective exploration targets in the deep-water Scotian Basin should be focused on the Jurassic and Cretaceous deep-water turbidite sandstone reservoirs formed by widely-developed large river systems.

关键词： conjugate margins Morocco Nova Scotia tectonic evolution petroleum geology exploration potential

全球古老油气成藏组合资源潜力、重大发现及启示

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石油学报 2024年第8期45卷 1163-1173页

作者：窦立荣温志新王兆明贺正军陈瑞银宋成鹏刘小兵中国石油勘探开发研究院北京100083 中国石油国际勘探开发有限公司北京100034

全球已证实存在6套优质烃源岩,发育于前中生界的3套烃源岩构成了古老油气成藏组合的主要烃源岩。已发现的前中生界古老油气成藏组合有5个特点:①盆地类型以前陆盆地、被动陆缘盆地、克拉通盆地为主;②油气资源类型以常规油气为主,页岩... 详细信息

全球已证实存在6套优质烃源岩,发育于前中生界的3套烃源岩构成了古老油气成藏组合的主要烃源岩。已发现的前中生界古老油气成藏组合有5个特点:①盆地类型以前陆盆地、被动陆缘盆地、克拉通盆地为主;②油气资源类型以常规油气为主,页岩油气发展迅速;③油气主要富集于二叠系、泥盆系、石炭系和奥陶系;④储层岩性主要为灰岩、砂岩、页岩和白云岩;③埋深以中-浅层为主,深层勘探潜力大。古老油气成藏组合的重大发现也具有在克拉通周缘、碳酸盐岩储层、页岩油气层系和基岩潜山4个领域富集的特征。通过对重点领域的重大发现解剖,指出长期处于低纬度热带辐合带的克拉通周缘易于形成优质生-储-盖组合;全球重大事件对烃源岩发育和页岩油气富集起着重要控制作用,可在全球重大事件时序框架下,通过重建成藏要素古位置超前优选潜在成藏组合。根据已发现油气可采储量和待发现油气资源自主评价结果,明确了常规油气资源应重点关注阿拉伯盆地、扎格罗斯盆地、塔里木盆地等;基岩潜山/残留层系也是值得重点关注的勘探领域;页岩油气应重点关注俄罗斯蒂曼一伯朝拉盆地和伏尔加一乌拉尔盆地泥盆系多玛尼克组页岩、中东地区阿拉伯盆地志留系热页岩、北非地区古达米斯盆地志留系和泥盆系、中国四川盆地和准噶尔盆地的页岩层系等领域。

关键词：古老油气成藏组合克拉通周缘碳酸盐岩页岩油气基岩潜山勘探领域

桑托斯盆地盐下孤立碳酸盐台地沉积建造与深水大油田

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石油勘探与开发 2024年第4期51卷 829-840页

作者：窦立荣温志新王兆明贺正军宋成鹏陈瑞银阳孝法刘小兵刘祚冬陈燕燕中国石油勘探开发研究院北京100083 中国石油国际勘探开发有限公司北京100034

针对桑托斯被动陆缘盆地深水盐下碳酸盐岩储层分布特征及大油田成藏规律不清的难题,综合利用地质、地震及岩心等数据资料,通过早白垩世原型盆地与岩相古地理恢复重建,提出盐下碳酸盐岩沉积建造受控于坳间断隆型和坳中断凸型两类孤立台... 详细信息

针对桑托斯被动陆缘盆地深水盐下碳酸盐岩储层分布特征及大油田成藏规律不清的难题,综合利用地质、地震及岩心等数据资料,通过早白垩世原型盆地与岩相古地理恢复重建,提出盐下碳酸盐岩沉积建造受控于坳间断隆型和坳中断凸型两类孤立台地。坳间断隆型孤立台地分布于现今盐下坳间隆起带上,建造于早期陆内和陆间裂谷两个原型阶段继承性发育的单断式和双断式垒式断块上,早白垩世陆内裂谷晚期沉积的ITP组介壳灰岩和陆间裂谷早期沉积的BVE组微生物灰岩为连续建造;坳中断凸型孤立台地分布于现今盐下坳陷带中,建造于早期陆内裂谷原型阶段火山岩建隆所形成的凸起带上,发育BVE组微生物灰岩。两类孤立台地灰岩所形成礁滩体均具有储层厚度大、物性好的特点。结合盐下已发现大油田解剖,发现两类台地均可形成大型构造-岩性复合圈闭,周缘为优质湖相和潟湖相烃源岩环绕,上覆为巨厚的优质蒸发盐岩盖层高效封堵,形成了“下生中储上盖”式最佳生储盖组合关系,油气富集程度高。已发现大油田均为具有统一压力系统的底水块状油田,且均处于充满状态。未来勘探重点目标是西部隆起带和东部隆起带南段上的坳间断隆型孤立台地及中央坳陷带中的坳中断凸型孤立台地。该项研究成果为在桑托斯被动陆缘盆地超前选区选带、新项目评价及中标区块探区勘探部署提供了重要依据,也为今后在全球被动大陆边缘盆地深水勘探战略选区提供借鉴。

关键词：桑托斯盆地被动陆缘盆地深水坳间断隆型孤立碳酸盐台地坳中断凸型孤立碳酸盐台地大油田

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电网设备异常处置智慧助手研究及应用

农村电气化 2024年第8期 53-57页

作者：闻煜峰赵世杰赵玉成闻芷馨国网浙江省电力有限公司嘉兴供电公司浙江嘉兴314000

电网设备监控指对电网运行状况进行监视和控制,是电力系统安全可靠运行的眼睛和保障电网稳定性控制的重要手段。目前嘉兴主网监控面临设备异常信息多、监控数据分析处置能力参差、历史数据资源利用不充分等不足。为正确快速处置异常事件... 详细信息

电网设备监控指对电网运行状况进行监视和控制,是电力系统安全可靠运行的眼睛和保障电网稳定性控制的重要手段。目前嘉兴主网监控面临设备异常信息多、监控数据分析处置能力参差、历史数据资源利用不充分等不足。为正确快速处置异常事件,本项目通过信息化技术对电网监控运行经验提炼、对设备异常事件开展数据挖掘,采用助手机器人对异常监控技术知识库、典型事件案例库进行学习归纳,借助数字化力量辅助监控指挥人员开展设备异常事件处置,提升处置效率,优化设备异常处置策略,实现异常事件全过程管控。

关键词：设备异常信息数字化精准化处置效率

Analysis of the world oil and gas exploration situation in 2021

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Petroleum Exploration and Development 2022年第5期49卷 1195-1209页

作者： DOU Lirong wen zhixin WANG Jianjun WANG Zhaoming HE Zhengjun LIU Xiaobing ZHANG Ningning PetroChina Research Institute of Petroleum Exploration&Development Beijing 100083China China National Oil and Gas Exploration and Development Co. LtdBeijing 100034China

The global exploration investment, new oil and gas discoveries, exploration business adjustment strategies of oil companies in 2021, and future favorable exploration domains are systematically analyzed using commercial databases such as IHS and public information of oil companies. It has been found that the world oil and gas exploration situation in 2021 has continued the downturn since the outbreak of COVID-19. The investment and drilling workload decreased slightly, but the success rate of exploration wells, especially deepwater exploration wells, increased significantly, and the newly discovered reserves increased slightly compared with last year. Deep waters of the passive continental margin basins are still the leading sites for discovering conventional large and medium-sized oil and gas fields. The conventional oil and gas exploration in deep formations of onshore petroliferous basins has been keeping a good state, with tight/shale oil and gas discoveries made in Saudi Arabia, Russia, and other countries. While strengthening the exploration and development of local resources, national, international, and independent oil companies have been focusing on major overseas frontiers using their advantages, including risk exploration in deep waters and natural gas. Future favorable exploration directions in the three major frontiers, the global deep waters, deep onshore formations, and unconventional resources, have been clarified. Four suggestions are put forward for the global exploration business of Chinese oil companies: first, a farm in global deepwater frontier basins in advance through bidding at a low cost and adopt the “dual exploration model” after making large-scale discoveries;second, enter new blocks of emerging hot basins in the world through farm-in and other ways, to find large oil and gas fields quickly;third, cooperate with national oil companies of the resource host countries in the form of joint research and actively participate exploration of deep

关键词： exploration investment exploration situation new discoveries favorable exploration areas overseas oil and gas exploration deep water deep formation unconventional resources

Ecological traits affect the seasonal migration patterns of breeding birds along a subtropical altitudinal gradient

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Avian Research 2022年第4期13卷 429-436页

作者： Yuwen Cheng zhixin wen Xingcheng He Zhehan Dong Mingyu Zhangshang Dongrui Li Yan Wang Yong Jiang Yongjie Wu Key Laboratory of Bio-Resources and Eco-Environment Ministry of EducationCollege of Life ScienceSichuan UniversityChengdu610065China Key Laboratory of Zoological Systematics and Evolution Institute of ZoologyChinese Academy of SciencesBeijing100101China Administration of Gongga Mountain National Nature Reserve Ganzi Tibetan Autonomous PrefectureGanzi626000China

Altitudinal bird migration involves seasonal shifts up and down the altitude gradient *** as the place with the largest number of altitudinal migrants,has quite few related studies,especially for montane and temperate *** explore the potential drivers of seasonal altitudinal migration for birds in the middle of Hengduan Mountains,we conducted a three-year investigation on breeding and non-breeding season bird communities at eight elevational bands(1200–4200 m)in the Gongga *** examined the altitudinal migration patterns and relationships between seasonal distribution shifts and species'traits of 50 species with sufficient data recorded in both *** found that a large proportion of breeding birds underwent altitudinal migration and showed three migration patterns(downslope shift,upslope shift,no shift).Seasonal distribution shifts were mainly correlated with certain ecological *** breeding at high and mid-elevations,nesting in scrub and being omnivorous are more likely to show downslope movements during the non-breeding *** addition,territorially weaker species exhibited more diverse migration ***,we found the hand-wing index(HWI)was actually more convincing than body mass in explaining altitudinal *** results consolidate the studies of seasonal altitudinal migration in montane *** study could be used to bridge existing knowledge gaps that currently impeding effective conservation for montane avifaunas in the Hengduan Mountains.

关键词： Altitudinal migrant Breeding birds Functional traits Gongga mountain Migration patterns

Analysis of the world deepwater oil and gas exploration situation

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Petroleum Exploration and Development 2023年第5期50卷 1060-1076页

作者： wen zhixin WANG Jianjun WANG Zhaoming HE Zhengjun SONG Chengpeng LIU Xiaobing ZHANG Ningning JI Tianyu PetroChina Research Institute of Petroleum Exploration&Development Beijing 100083China

The global trends in deepwater oil and gas exploration,characteristics of deepwater oil and gas discovery,and layout of deepwater oil and gas exploration business by seven major international oil companies are systematically analyzed using commercial databases(e.g.S&P Global and Rystad)and public information of oil *** deepwater area is currently the most important domain for global oil and gas exploration and discovery,with the most discoveries and reserves in passive continental margin *** deepwater discoveries have the greatest contribution to the total newly discovered oil and gas reserves in the sea areas,with an increasing number of lithological reservoirs discovered,and oil and gas discoveries mainly distributed in the Mesozoic–*** seven major international oil companies are widely active in various aspects of deepwater oil and gas exploration and development,and play a leading *** on years of theoretical understanding of global oil and gas geology and resource evaluation,it is proposed that favorable deepwater exploration areas in the future will mainly focus on three major areas:the Atlantic coast,the Indian Ocean periphery,and the Arctic Ocean *** suggestions are put forward for expanding overseas deepwater oil and gas exploration business:first,expand the sources for obtaining multi-user seismic data and improve the scientific selection of deepwater exploration areas;second,increase efforts to obtain deepwater exploration projects in key areas;third,adopt various methods to access into/exit from resource licenses flexibly;fourth,acquire licenses with large equity and operate in“dual-exploration”model;fifth,strengthen cooperation with leading international oil companies in deepwater technology;and sixth,improve business operation capabilities and gradually transform from“non-operators”to“operators”.

关键词： world petroliferous basins deepwater oil and gas exploration situation international oil companies favorable exploration areas

Ecological significance and risks of mineral licks to mammals in a nature reserve on the Eastern Qinghai-Tibet Plateau

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Ecosystem Health and Sustainability 2022年第1期8卷 352-356页

作者： Xingcheng He zhixin wen Yujin Wang Anderson Feijó Qiang Fu Jianghong Ran Key Laboratory of Bio-Resources and Eco-Environment Ministry of EducationCollege of Life ScienceSichuan UniversityChengduSichuanChina Key Laboratory of Zoological Systematics and Evolution Institute of ZoologyChinese Academy of SciencesBeijingChina Management Office of the Anzihe National Nature Reserve ChongzhouSichuanChina

Mineral licks are important components of terrestrial ecosystems that have special value to the maintenance of fluid balance of mammals,by providing them with essential mineral nutrients such as sodium,calcium,and *** the Anzihe Nature Reserve,southwest China,seven species of ungulates and one species of primates were frequently observed visiting the mineral licks in high *** a consequence,mineral licks have attracted illegal hunters and facilitated the spread of parasites and diseases,leading to a depletion of local ***,we suggest that regions with abundant mineral licks should be designated as key protected areas in the Anzihe Nature Reserve and relevant zones for animal health surveillance.

关键词： Mineral licks mineral nutrients illegal hunters parasites and diseases

从原型盆地叠加演化过程讨论沉积盆地分类及含油气性

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石油勘探与开发 2021年第6期48卷 1100-1113页

作者：窦立荣温志新中国石油勘探开发研究院北京100083

从威尔逊旋回原理出发,通过解剖全球483个沉积盆地前寒武纪以来成盆演化历史,并基于拉张、挤压及剪切3种应力环境,探讨了原型盆地的类型划分、叠加演化及沉积充填模式,总结出板块构造演化在3个方面控制着原型盆地的叠加演化过程及含油... 详细信息

从威尔逊旋回原理出发,通过解剖全球483个沉积盆地前寒武纪以来成盆演化历史,并基于拉张、挤压及剪切3种应力环境,探讨了原型盆地的类型划分、叠加演化及沉积充填模式,总结出板块构造演化在3个方面控制着原型盆地的叠加演化过程及含油气条件。研究认为:①全球85%以上的沉积盆地是由两类以上原型盆地叠加演化而成;②原型盆地的叠加演化过程以威尔逊旋回为周期且按着固定轨迹循环往复进行,在一个周期的每个阶段都能够形成特定的原型盆地;③每个原型盆地都能够形成独特的构造-沉积体系,从而决定其独有的生、储、盖等含油气条件,后期叠加的原型盆地不但能够改变早期原型盆地的油气成藏条件,而且可能形成新的含油气系统。将全球每个盆地最新一期板块构造运动所形成的原型盆地界定为现今的盆地类型,并划分出陆内生长裂谷、陆内夭折裂谷、陆间裂谷、被动大陆边缘、内克拉通、海沟、弧前、弧后裂谷、弧后坳陷、弧后小洋盆、周缘前陆、弧后前陆、走滑拉分和走滑挠曲共14类。该分类方案不仅能够确保每个沉积盆地类型的唯一性,便于推广应用,而且可以通过盆地类比,以科学预测现今各类沉积盆地的含油气远景。

关键词：沉积盆地分类板块构造威尔逊旋回主要原型盆地次要原型盆地叠加演化