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| 1 | Progress in China's Unconventional Oil & Gas Exploration and Development and Theoretical Technologies显示文摘The new century has witnessed a strategic breakthrough in unconventional oil & gas.Hydrocarbon accumulated in micro-/nano-scale pore throat shale systems has become an important domain that could replace current oil & gas resources.Unconventional oil & gas plays an increasingly important role in our energy demand.Tight gas,CBM,heavy oil and asphaltic sand have served as a key domain of exploration & development,with tight oil becoming a 'bright spot' domain and shale gas becoming a 'hotspot' domain.China has made great breakthroughs in unconventional oil & gas resources,such as tight gas,shale gas,tight oil and CBM,and great progress in oil shale,gas hydrate,heavy oil and oil sand.China has an estimated(223-263)×10~8t of unconventional oil resources and(890-1260)×l0^(12)m^3 of gas resources.China has made a breakthrough for progress in unconventional oil & gas study.New progress achieved in fine-grained sedimentary studies related to continental open lacustrine basin large-scale shallow-water delta sand bodies,lacustrine basin central sandy clastic flow sediments and marine-continental fine-grained sediments provide a theoretical basis for the formation and distribution of basin central reservoir bodies.Great breakthroughs have been made in unconventional reservoir geology in respect of research methodology & technology,multi-scale data merging and physical simulation of formation conditions.Overall characterization of unconventional reservoirs via multi-method and multi-scale becomes increasingly popular and facilitates the rapid development of unconventional oil & gas geological theory,method and technology.The formation of innovative,continuous hydrocarbon accumulation theory,the establishment of the framework of the unconventional oil & gas geological theory system,and the determination of the implications,geological feature,formation mechanism,distribution rule and core technology of unconventional oil& gas geological study lays a theoretical foundation for extensive unconventional oil & gas exploration and development.Theories and technologies of unconventional oil & gas exploration and development developed rapidly,including some key evaluation techniques such as 'sweet spot zone' integrated evaluation and a six-property evaluation technique that uses hydrocarbon source,lithology,physical property,brittleness,hydrocarbon potential and stress anisotropy,and some key development &engineering technologies including micro-seismic monitoring,horizontal drilling & completion and 'factory-like' operation pattern, 'man-made reservoir' development,which have facilitated the innovative development of unconventional oil & gas.These breakthroughs define a new understanding in four aspects:①theoretical innovation;② key technologies;③ complete market mechanism and national policy support;and ④ well-developed ground infrastructure,which are significant for prolonging the life cycle of petroleum industry,accelerating the upgrade and development of theories and technologies and altering the global traditional energy structure. | ZOU Caineng YANG Zhi ZHU Rukai ZHANG Guosheng HOU Lianhua WU Songtao TAO Shizhen YUAN Xuanjun DONG Dazhong WANG Yuman WANG Lan HUANG Jinliang WANG Shufang | 2015 | Acta Geologica Sinica(English Edition)2015，89，3： | 27 |
| 2 | Hydrocarbon accumulation mechanism and structure of largescale volcanic weathering crust of the Carboniferous in northern Xinjiang,China显示文摘上面在北 Xinjiang 含碳,中国在 post-collisional 消沉被形成并且折叠结构的设定。在一个宽区域上在上面的含碳的、暴烈的岩石和来源岩石以内轮流出现。在结束含碳,这些层被板碰撞高举并且随后捱过并且沥滤。暴烈的捱过并且沥滤导致了能被划分成五层的捱过的外壳的建立。腐蚀并且在这些层形式弄碎地区有利水库。在亚在空中形成的暴烈的捱过外壳暴露了 paleogeomorphic 区域;五相对连续的层通常在 paleogeomorphic 低地和斜坡区域被保存,但是上面的土壤层在岩石的更高的部分记录的在结构上通常是不在的。捱过的层的厚度有一种积极非线性的指数的关系到捱过并且沥滤的持续时间,并且捱过的外壳的动态平衡时间是大约 36.3 妈。最厚的捱过的层(450 m ) 位于破裂地区。捱过的外壳从有不同岩性学的暴烈的岩石的一个范围是可能的,捱过并且沥滤的给定的足够的时间。暴烈的捱过的外壳和来源岩石的联合导致烃累积模型的三种类型:(1 ) 与来源岩石暴烈的捱过的外壳 interbedded 定序,(2 ) 一个伪分层的捱过的暴烈的核心定位了上面的来源岩石,并且(3 ) 暴烈的岩石与邻近的梳状的不顺从联系了采购岩石。每这三种类型有潜力形成暴烈的捱过的外壳的一座巨大的 stratigraphic 水库。这知识改变了在暴烈的岩石中寻找有利 lithologic 和岩相地区的传统的探索模型,并且改变了观点含碳没有基因潜力是在北 Xinjiang 的盆的地下室。这里开发的概念为在暴烈的捱过的外壳上集中油和煤气的探索具有大科学意义和申请。因此,在中国的 midwestern 部分的古生代的暴烈的捱过的外壳可以可能包含大规模 stratigraphic 水库并且以后能因此是新油和煤气的探索目标。 | ZOU CaiNeng HOU LianHua TAO ShiZhen YUAN XuanJun ZHU RuKai JIA JinHua ZHANG XiangXiang LI FuHeng PANG ZhengLian | 2012 | Science China Earth Sciences2012，55，2： | 8 |
| 3 | Structure of weathered clastic crust and its petroleum potential显示文摘Weathered clastic crust can be subdivided into weathered clay and leached zone in terms of variable weathering of different minerals and mobility of weathered products.On the basis of clastic outcrops and well cores in the Junggar Basin,the dark red Fe-rich weathered clay is formed in an arid environment,whereas the light blue Al-rich weathered clay under humid conditions.According to the geochemical analysis,a new weathering index for weathered clastic crust is built mainly on Fe and Al contents,accurately indicating the weathered clay,sandy leached zone,and muddy leached zone in the Junggar Basin.The breaking pressure of weathered clay is rather large,the same as that of normal muddy cap,effectively to seal oil or gas.The porosity of underlying leached zone is greatly enhanced by weathering and leaching,but its permeability is a function of clay mineral content,i.e.,the higher the clay content,the worse the permeability.Weathered crust provides effective sealing conditions for both top and bottom layers of a petroleum reservoir,and is important in the clastic hydrocarbon exploration. | ZOU CaiNeng HOU LianHua YANG Fan YANG Chun TAO ShiZhen YUAN XuanJun ZHU RuKai | 2014 | Science China Earth Sciences2014，57，12： | 6 |
| 4 | Characteristics and formation of sinian(Ediacaran)carbonate karstic reservoirs in Dengying Formation in Sichuan Basin,China显示文摘The Gaoshiti-Moxi Gas Field has been discovered recently in the central part of Sichuan Basin,which might be the biggest gas field in China.In this gas field,a large amount of gas is from Neoproterozoic Sinian(Ediacaran)karstic carbonate rocks.The gas was originated from cracking of oil,and the oil source rocks are the Sinian and Cambrian strata.In this study,the characteristics of these carbonate reservoir rocks have been studied based on subsurface data and outcrop observation.The carbonate rocks are at the Sinian Dengying Formation,and the reservoir properties are controlled by sedimentary facies and diagenesis.The Dengying Formation is composed of algal mounds and grainstone build-ups,which were developed in a restricted platform setting from glacial period to interglacial period.Due to tectonic movement and eustatic cycle in Sichuan Basin during Neoproterozoic Era,five sedimentary cycles of transgression and regression have been developed in the Dengying Formation.According to the sedimentary facies and carbon-oxygen isotope variation,five sedimentary cycles have been recognized.Due to the penecontemporaneous dolomitization,together with hypergene karstification and late burial dissolution,the reservoir properties of the carbonates rocks have been improved greatly. | Lianhua Hou Fan Yang Chun Yang Jinghong Wang | 2021 | Petroleum Research2021，6，2： | 4 |
| 5 | Clinical study on the related markers of blood coagulation in the patients with ANFH after SARS显示文摘The aim of this research was to investigate the blood coagulation function in the patients with avascular necrosis of the femoral head(ANFH)after severe acute respiratory syndrome(SARS).The expression of CD31,CD61,CD62p,CD63 and PAC-1 on platelet membrane was measured respectively by flowcytometry,and the plasma prothrombin time(PT),activated partial thromboplastin time(APTT),thrombin time(TT)and fibrinogen(Fbg)were mea-sured by blood clotting instrument in 26 patients with ANFH after SARS and in 17 healthy adults.The expression of CD31,CD61,CD 62p,CD63 and PAC-1 on platelet membrane in 26 patients was all lower than that in 17 healthy subjects(P<0.01).The levels of PT,APTT,TT and Fbg in 26 patients were all normal.There is no significant difference(P>0.05)in those markers between patients and 17 healthy adults.The blood may not be in hypercoagulable state in patients with ANFH after SARS. | WU Lianhua GAO Chunjin WANG Guozhong YANG Lin HOU Xiaomin GE Huan XIA Chengqing QI Man | 2007 | Frontiers of Medicine2007，1，4： | 2 |
| 6 | Connotation and strategic role of in-situ conversion processing of shale oil underground in the onshore China显示文摘In-situ conversion processing (ICP) of shale oil underground at the depth ranging from 300 m to 3 000 m is a physical and chemical process caused by using horizontal drilling and electric heating technology, which converts heavy oil, bitumen and various organic matter into light oil and gas in a large scale, which can be called'underground refinery'. ICP has several advantages as in CO2capture, recoverable resource potential and the quality of hydrocarbon output. Based on the geothermal evolution mechanism of organic materials established by Tissot et al., this study reveals that in the nonmarine organic-rich shale sequence, the amount of liquid hydrocarbon maintaining in the shale is as high as 25%in the liquid hydrocarbon window stage (R o less than 1.0%), and the unconverted organic materials (low mature-immature organic materials) in the shale interval can reach 40%to 100%. The conditions of organic-rich shale suitable for underground in-situ conversion of shale oil should be satisfied in the following aspects, TOC higher than 6%, R o ranging between 0.5%and 1%, concentrated thickness of organic-rich shale greater than 15 meters, burial depth less than 3 000 m, covering area bigger than 50 km2, good sealing condition in both up-and down-contacting sequences and water content smaller than 5%, etc. The shale oil resource in China’s onshore region is huge. It is estimated with this paper that the technical recoverable resource reaches 70-90 billion tons of oil and 60-65 trillion cubic meters of gas. The ICP of shale oil underground is believed to be a fairway to find big oil in the source kitchen in the near future. And it is also believed to be a milestone to keep China long-term stability of oil and gas sufficient supply by putting ICP of shale oil underground into real practice in the future. | ZHAO Wenzhi HU Suyun HOU Lianhua | 2018 | Petroleum Exploration and Development2018，45，4： | 1 |
| 7 | Deep-lacustrine transformation of sandy debrites into turbidites, Upper Triassic, Central China显示文摘 | Caineng Zou Lan Wang Ying Li Shizhen Tao Lianhua Hou | 2012 | Sedimentary Geology2012，，： | 1 |
| 8 | Formation mechanism, geological characteristics and development strategy of nonmarine shale oil in China显示文摘 | Caineng ZOU Zhi YANG Jingwei CUI Rukai ZHU Lianhua HOU Shizhen TAO Xuanjun YUAN Songtao WU Senhu LIN Lan WANG Bin BAI Jingli YAO | 2013 | Petroleum Exploration and Development Online2013，，1： | 1 |
| 9 | Deep-lacustrine transformation of sandy debrites into turbidites, Upper Triassic, Central China显示文摘 | Caineng Zou Lan Wang Ying Li Shizhen Tao Lianhua Hou | 2012 | Sedimentary Geology2012，，： | 1 |
| 10 | Key geological factors controlling the estimated ultimate recovery of shale oil and gas: A case study of the Eagle Ford shale, Gulf Coast Basin, USA显示文摘Based on 991 groups of analysis data of shale samples from the Lower Member of the Cretaceous Eagle Ford Formation of 1317 production wells and 72 systematic coring wells in the U.S. Gulf Basin, the estimated ultimate recovery(EUR) of shale oil and gas of the wells are predicted by using two classical EUR estimation models, and the average values predicted excluding the effect of engineering factors are taken as the final EUR. Key geological factors controlling EUR of shale oil and gas are fully investigated. The reservoir capacity, resources, flow capacity and fracability are the four key geological parameters controlling EUR. The storage capacity of shale oil and gas is directly controlled by total porosity and hydrocarbon-bearing porosity, and indirectly controlled by total organic carbon(TOC) and vitrinite reflectance(Ro). The resources of shale oil and gas are controlled by hydrocarbon-bearing porosity and effective shale thickness etc. The flow capacity of shale oil and gas is controlled by effective permeability, crude oil density, gas-oil ratio, condensate oil-gas ratio, formation pressure gradient, and Ro. The fracability of shale is directly controlled by brittleness index, and indirectly controlled by clay content in volume. EUR of shale oil and gas is controlled by six geological parameters: it is positively correlated with effective shale thickness, TOC and fracture porosity, negatively correlated with clay content in volume, and increases firstly and then decreases with the rise of Ro and formation pressure gradient. Under the present upper limit of horizontal well fracturing effective thickness of 65 m and the lower limit of EUR of 3×10^(4) m^(3), when TOC<2.3%, or Ro<0.85%, or clay content in volume larger than 25%, and fractures and micro-fractures aren’t developed, favorable areas of shale oil and gas hardly occur. | HOU Lianhua YU Zhichao LUO Xia LIN Senhu ZHAO Zhongying YANG Zhi WU Songtao CUI Jingwei ZHANG Lijun | 2021 | Petroleum Exploration and Development2021，48，3： | 0 |
| 11 | Unlocking Key Factors of Shale Play Sweet Spotting Appraisal-Field Case Studies From China and North America显示文摘This study proposes the controlling factors of shale play sweet spotting under different maturation stages and various hydrocarbon composition in China and North America,including some typical examples with best practices,such as the Silurian Longmaxi shale gas in Sichuan Basin in Southwestern China,the Triassic Yanchang liquid-rich oil in Ordos Basin in | YANG Zhi ZOU Caineng HOU Lianhua CUI Jingwei WU Songtao LIN Senhu | 2015 | Acta Geologica Sinica(English Edition)2015，89，A01： | 0 |
| 12 | Theory, Technology and Practice of Unconventional Petroleum Geology显示文摘0 INTRODUCTION The breakthroughs in unconventional petroleum have a great impact on world petroleum industry and innovation in petroleum geology(Dou et al,2022;Jia,2017;Zou et al.,2015b,2014a;Yerkin,2012;Pollastro,2007;Schmoker,1995).The exploration and development evolution from conventional petroleum to unconventional petroleum and more and more frequent industrial activities of exploring petroleum inside sources kitchen have deepened theoretical understanding of unconventional petroleum geology and promoted technical research and development(Jia et al.,2021,2017;Jin et al.,2021;Zhao W Z et al.,2020;Ma Y S et al.,2018,2012;Zou et al.,2018b,2016,2009;Dai et al.,2012).We have introduced and extended the theory of continuous hydrocarbon accumulation since 2008 and published several papers/books(in Chinese and English)with respect to unconventional petroleum geology since 2009,basically forming the theoretical framework for this discipline(Yang et al.,2022a,2021a,2019a,,2015a;Zou et al.,2019c,2017b,2014a,,2013a).In this paper,we present the background of unconventional petroleum geology,review the latest theoretical and technological progress in unconventional petroleum geology,introduce relevant thinking and practices in China,and explore the pathway of unconventional petroleum revolution and multi-energy coordinated development in super energy basins,hopefully to promote the unconventional petroleum geology and industry development. | Caineng Zou Zhi Yang Guosheng Zhang Rukai Zhu Shizhen Tao Xuanjun Yuan Lianhua Hou Dazhong Dong Qiulin Guo Yan Song Qiquan Ran Zhen Qiu Songtao Wu Feng Ma Bin Bai Lan Wang Bo Xiong Songqi Pan Hanlin Liu Xiaoni Wang | 2023 | Journal of Earth Science2023，34，4： | 0 |
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