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Status-quo of proved oil/gas initially-in-place in China as of 2020 and its variation trend in the past decade
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作者 Liming Zhou Daoyong Zhang +3 位作者 Jinchao Sun Yufeng Gu Chenshuo Zhang Chen Zhang 《Energy Geoscience》 2022年第4期343-348,共6页
This study analyzes the status-quo of the proved oil/gas initially-in-place and its variation trend,the proved undeveloped oil/gas initially-in-place,and the remaining proved technically recoverable reserves(TRR)of oi... This study analyzes the status-quo of the proved oil/gas initially-in-place and its variation trend,the proved undeveloped oil/gas initially-in-place,and the remaining proved technically recoverable reserves(TRR)of oil/gas in China as of 2020 based on statistics.As shown by the results,the proved oil initially-in-place(OIIP),the proved undeveloped OIIP,and the remaining proved TRR of oil in China are mainly distributed in the Bohai Bay,Ordos and Songliao Basins,and those of free gas are mainly in the Ordos,Sichuan,and Tarim Basins.From 2011 to 2020,the largest increment in the proved OIIP,the proved undeveloped OIIP and the remaining proved TRR of oil occurred in the Ordos Basin,followed by the Bohai Bay Basin,while that in the proved gas initially-in-place(GIIP),the proved undeveloped GIIP,and the remaining proved TRR of gas occurred in the Ordos Basin,followed by the Sichuan Basin.In addition,a comprehensive analysis reveals that the petroliferous basins in China with the potential of reserve addition and production growth include the Ordos Basin,the Bohai Bay Basin,the Sichuan Basin,and the Tarim Basin. 展开更多
关键词 Proved oil/gas initially-in-place(OIIP/GIIP) Proved undeveloped oil/gas initially-in-place(OIIP/GIIP) Remaining proved technically recoverable reserves(TRR) Petroleum distribution in Chinese basins Variation trend
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Theoretical Progress and Key Technologies of Onshore Ultra-Deep Oil/Gas Exploration 被引量:27
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作者 Xusheng Guo Dongfeng Hu +5 位作者 Yuping Li Jinbao Duan Xuefeng Zhang Xiaojun Fan Hua Duan Wencheng Li 《Engineering》 SCIE EI 2019年第3期458-470,共13页
Oil/gas exploration around the world has extended into deep and ultra-deep strata because it is increasingly difficult to find new large-scale oil/gas reservoirs in shallow–middle buried strata. In recent years, Chin... Oil/gas exploration around the world has extended into deep and ultra-deep strata because it is increasingly difficult to find new large-scale oil/gas reservoirs in shallow–middle buried strata. In recent years, China has made remarkable achievements in oil/gas exploration in ultra-deep areas including carbonate and clastic reservoirs. Some (ultra) large-scale oil and gas fields have been discovered. The oil/gas accumulation mechanisms and key technologies of oil/gas reservoir exploration and development are summarized in this study in order to share China’s experiences. Ultra-deep oil/gas originates from numerous sources of hydrocarbons and multiphase charging. Liquid hydrocarbons can form in ultradeep layers due to low geothermal gradients or overpressures, and the natural gas composition in ultra-deep areas is complicated by the reactions between deep hydrocarbons, water, and rock or by the addition of mantle- or crust-sourced gases. These oils/gases are mainly stored in the original highenergy reef/shoal complexes or in sand body sediments. They usually have high original porosity. Secondary pores are often developed by dissolution, dolomitization, and fracturing in the late stage. The early pores have been preserved by retentive diageneses such as the early charging of hydrocarbons. Oil/gas accumulation in ultra-deep areas generally has the characteristics of near-source accumulation and sustained preservation. The effective exploration and development of ultra-deep oil/gas reservoirs depend on the support of key technologies. Use of the latest technologies such as seismic signal acquisition and processing, low porosity and permeability zone prediction, and gas–water identification has enabled the discovery of ultra-deep oil/gas resources. In addition, advanced technologies for drilling, completion, and oil/gas testing have ensured the effective development of these fields. 展开更多
关键词 oil/gas EXPLORATION Ultra-deep sources Reservoir Petroleum accumulation EXPLORATION and EXPLOITATION technologies
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Daily Variation of Natural Emission of Methane to the Atmosphere and Source Identification in the Luntai Fault Region of the Yakela Condensed Oil/Gas Field in the Tarim Basin,Xinjiang,China 被引量:7
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作者 TANG Junhong BAO Zhengyu +1 位作者 XIANG Wu GOU Qinghong 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2007年第5期771-778,共8页
The static flux chamber method was applied to study natural emissions of methane to the atmosphere in the Luntai fault region of Yakela Condensed Oil/Gas Field in the Tarim Basin, Xinjiang Municipality, northwestern C... The static flux chamber method was applied to study natural emissions of methane to the atmosphere in the Luntai fault region of Yakela Condensed Oil/Gas Field in the Tarim Basin, Xinjiang Municipality, northwestern China. Using an online method, which couples together a gas chromatography/high-temperature conversion/isotope ratio mass spectrometry (GC/C/MS), 13^C/12^C ratios of methane in flux chambers were measured and showed that methane gases are liable to migrate from deep oil/gas reservoirs to the surface through fault regions and that a part of the migrated methane, which remains unoxidized can be emitted into the atmosphere. Methane emission rates were found to be highest in the mornings, lowest in the afternoons and then increase gradually in the evenings. Methane emission rates varied dramatically in different locations in the fault region. The highest methane emission rate was 10.96 mg/m^2·d, the lowest 4.38 mg/m^2, and the average 7.55 mg/ m^2·d. The 13^C/12^C ratios of the methane in the flux chambers became heavier as the enclosed methane concentrations increased gradually, which reveals that methane released from the fault region might come from thermogenic methane of the deep condensed oil/gas reservoir. 展开更多
关键词 condensed oil/gas field fault-controlled methane emission carbon isotopes flux chamber XINJIANG
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Formation of Natural Bitumen and its Implication for Oil/gas Prospect in Dabashan Foreland 被引量:7
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作者 LI Rongxi DONG Shuwen +1 位作者 ZHANG Xue ZHU Ruijing 《Acta Geologica Sinica(English Edition)》 SCIE CAS CSCD 2012年第2期462-472,共11页
Natural bitumen is the evolutionary residue of hydrocarbon of sedimentary organic matter. Several kinds of bitumen with different occurrences, including bitumen in source rock, migration bitumen filled in fault, oil-b... Natural bitumen is the evolutionary residue of hydrocarbon of sedimentary organic matter. Several kinds of bitumen with different occurrences, including bitumen in source rock, migration bitumen filled in fault, oil-bed bitumen and paleo-reservoir bitumen, are distributed widely in the Dabashan foreland. These kinds of bitumen represent the process of oil/gas formation, migration and accumulation in the region. Bitumen in source rock fiUed in fractures and stylolite and experienced deformation simultaneously together with source rock themselves. It indicated that oil/gas generation and expelling from source rock occurred under normal buried thermal conditions during prototype basin evolution stages prior to orogeny. Occurrences of bitumen in source rock indicated that paleo- reservoir formation conditions existed in the Dabashan foreland. Migration bitumen being widespread in the fault revealed that the fault was the main channel for oil/gas migration, which occurred synchronously with Jurassic foreland deformation. Oil-bed bitumen was the kind of pyrolysis bitumen that distributed in solution pores of reservoir rock in the Dabashan foreland depression, the northeastern Sichuan Basin. Geochemistry of oil-bed bitumen indicated that natural gas that accumulated in the Dabashan foreland depression formed from liquid hydrocarbon by pyrolysis process. However, paleo-reservior bitumen in the Dabashan forleland was the kind of degradation bitumen that formed from liquid hydrocarbon within the paleo-reservior by oxidation, alteration and other secondary changes due to paleo-reservior damage during tectonics in the Dabashan foreland. In combination with the tectonic evolution of the Dabashan foreland, it is proposed that the oil/gas generated, migrated and accumulated to form the paleo-reservoir during the Triassic Indosinian tectonic movement. Jurassic collision orogeny, the Yanshan tectonic movement, led to intracontinental orogeny of the Dabashan area accompanied by geofluid expelling and paleo-reservoir damage in the Dabashan foreland. The present work proposed that there is liquid hydrocarbon exploration potential in the Dabashan foreland, while there are prospects for the existence of natural gas in the Dabashan foreland depression. 展开更多
关键词 BITUMEN PALEO-RESERVOIR oil/gas formation MIGRATION Dabashan foreland
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Genesis Types and Diagenesis Compaction Mechanisms of Sandstone Rreservoirs in Dynamic Environments in Oil/Gas Basins in China 被引量:7
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作者 Shou Jianfeng Si Chunsong Wang Xin 《Petroleum Science》 SCIE CAS CSCD 2006年第3期23-31,共9页
The diversity of sandstone diagenesis mechanisms caused by the complex geological conditions of oil/gas basins in China could hardly be reasonably explained by the traditional concept of burial diagenesis. Three genes... The diversity of sandstone diagenesis mechanisms caused by the complex geological conditions of oil/gas basins in China could hardly be reasonably explained by the traditional concept of burial diagenesis. Three genesis types of thermal diagenesis, tectonic diagenesis and fluid diagenesis are presented on the basis of the dynamic environment of the oil/gas basins and.the controlling factors and mechanisms of sandstone diagenesis. Thermal diagenesis of sandstone reservoirs is related not only to the effect of formation temperature on diagenesis, but also to the significant changes in diagenesis caused by geothermal gradients. The concept of thermal compaction is presented. Thermal compaction becomes weaker with increasing depth and becomes stronger at a higher geothermal gradient. At the same formation temperature, the sandstone porosity in the region with a lower geothermal gradient is e^0.077+0.0042T times higher than that in the region with a higher geothermal gradient. Both sudden and gradual changes are observed in diagenetic evolution caused by structural deformation. Average sandstone compaction increased by 0.1051% for every 1.0MPa increase of lateral tectonic compressional stress, while late tectonic napping helped to preserve a higher porosity of underlying sandstone reservoir. Fluid diagenesis is a general phenomenon. The compaction caused by fluid properties is significant. The coarser the grain size, the stronger the fluid effect on compaction. The greater the burial depth, the weaker the fluid effect on compaction for the specific reservoir lithology and the greater the difference in the fluid effects on compaction between different grain sizes. 展开更多
关键词 oil/gas basins in China sandstone reservoir genesis types diagenesis compaction mechanism
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Geological emission of methane from the Yakela condensed oil/gas field in Talimu Basin, Xinjiang, China 被引量:6
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作者 Tang Junhong Bao Zhengyu +1 位作者 Xiang Wu Gou Qinghong 《Journal of Environmental Sciences》 SCIE EI CAS CSCD 2008年第9期1055-1062,共8页
A static flux chamber method was applied to study natural emissions of methane into the atmosphere in the Yakela condensed oil/gas field in Talimu Basin, Xinjiang, China. Using an online method, which couples a gas ch... A static flux chamber method was applied to study natural emissions of methane into the atmosphere in the Yakela condensed oil/gas field in Talimu Basin, Xinjiang, China. Using an online method, which couples a gas chromatography/high-temperature conversion/isotope ratio mass spectrometry (GC/C/MS) together, the 13C/12C ratios of methane in the flux chambers were measured. The results demonstrated that methane gases were liable to migrate from deep oil/gas reservoir to the surface through microseepage and p... 展开更多
关键词 the Yakela condensed oil/gas field methane emission stable carbon isotopes flux chamber
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GEOTHERMAL EVOLUTION AND TECTONOSEDIMENTATION OF THE NORTH CHINA CRUSTOBLOCK AND THEIR EFFECTS ON THE FORMATION OF OIL/GAS POOLS
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作者 SUN Shaohua WANG Lu LIN Ge and LIU Shunsheng (Chang sha Institnte of aeotectonics, A cad emia sinica, chang sha, 410013)CHEN Jianjun and XIAO Bin (Central China Bureau of Petrolenm Exploration, Pnyang, 457001)WANG Jiyang (Insitute of Geology, A cad emia 《Geotectonica et Metallogenia》 1994年第Z1期51-57,共7页
The geothermal history of North China can be divided into at least four stages, i. c. Archaean (much hisher geothermal) stage, Paleoprotcrozoic (hish geothermal)stage, which resulted in four geotectonic stages (pregeo... The geothermal history of North China can be divided into at least four stages, i. c. Archaean (much hisher geothermal) stage, Paleoprotcrozoic (hish geothermal)stage, which resulted in four geotectonic stages (pregeosynehoe, geosyncline, platform and diwa stage) in the region. The geothermal field consists of three subgeothermal fields, theupper subgeothermal field with its depth of less than 2000 m, the middle subgeothermal field ranging from 2000 m to 5000 m in depth and the lower subgeothcrmal field locating at more than 5000 m in depth in North China. Sis thermostructural layers are recognised in North China, i. e. the mantle, the lower erust with its heat generation ratc of 0. 6 HGU. Oeothermal field is Corresponding to tectonosedimentary divisions in North China, controlling the tectonosedimentation, the evolution of souree rocks and the formation oF the oil/gas pools. 展开更多
关键词 GEOTHERMAL evolution tectonosedimentation oil/gas POOL NORTH China
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Prospect of Oil/Gas Exploration in Beach Areaof Bohai Bay Basin
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作者 Li Gansheng (Exploration Bureau, CNPC)Dou Lirong (Research Institute of Petroleum Exploration and Development, CNPC) 《China Oil & Gas》 CAS 1997年第3期156-157,共2页
关键词 oil/gas EXPLORATION BEACH PROSPECTIVE EVALUATION
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First Quarter Oil/Gas Production Gratifying
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《China Oil & Gas》 CAS 2000年第2期28-,15,共2页
关键词 CNPC First Quarter oil/gas Production Gratifying OVER
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GEOTHERMAL EVOLUTION OF THE DIWA-TYPE SEDIMENTARY BASIN AND ITS CONTROLLING ON THE FORMATION OF OIL/GAS POOLS
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《Geotectonica et Metallogenia》 1994年第Z2期113-115,共3页
关键词 gas GEOTHERMAL EVOLUTION OF THE DIWA-TYPE SEDIMENTARY BASIN AND ITS CONTROLLING ON THE FORMATION OF oil/gas POOLS ITS
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INVESTIGATION OF THE PALEOGEOTHERMAL TECTONIC HISTORY ON DONGPU DEPRESSION AND OIL/GAS FORMATION BY FISSION-TRACK METHOD
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作者 WANG Lu (Cnang sha Institute of Geoteetonies, Acad emia Sinica, Chang sha, 410013) 《Geotectonica et Metallogenia》 1994年第Z1期38-50,共2页
Dongpu depression is a fault basin at residual-mobility period of Diwa stage, it developed on the strata of the Mesozoie and Pre-Mesozoie. It is one of the important oil/gas- bearing basin during Cenozoie era along th... Dongpu depression is a fault basin at residual-mobility period of Diwa stage, it developed on the strata of the Mesozoie and Pre-Mesozoie. It is one of the important oil/gas- bearing basin during Cenozoie era along the East China. The strueture in Dongpu geodepression is very complex. There exists a strueture pattern with east- and west-depression belts and one central swell belt, it is divided into the southern- and northern-division by Gaopingji (orMeng Ju ) -Xieheng fault. 展开更多
关键词 gas INVESTIGATION OF THE PALEOGEOTHERMAL TECTONIC HISTORY ON DONGPU DEPRESSION AND oil/gas FORMATION BY FISSION-TRACK METHOD PB
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Contract for Oil/Gas Testing Signed Between Jinlonghua & Esso
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作者 Wang Keyuo 《China Oil & Gas》 CAS 1996年第3期189-189,共1页
Contract for Oil/Gas Testing Signed Between Jinlonghua & EssoContractforOil/GasTestingSignedBetweenJinlonghu... Contract for Oil/Gas Testing Signed Between Jinlonghua & EssoContractforOil/GasTestingSignedBetweenJinlonghua&Esso¥WangKeyuJi... 展开更多
关键词 Contract for oil/gas Testing Signed Between Jinlonghua Esso
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Status and Development of Oil/Gas Pipeline in China
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作者 Zang Tiejun Zang Tianhong and Fu Rong(Northeast Oil Transportation Administration ,CNPC) 《China Oil & Gas》 CAS 1999年第1期45-47,共3页
关键词 MPA Status and Development of oil/gas Pipeline in China
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REMARKABLE ACHIEVEMENTS OF XINJIANG IN OIL/GAS EXPLORATION IN 1997
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《China Oil & Gas》 CAS 1998年第2期97-97,共1页
关键词 gas REMARKABLE ACHIEVEMENTS OF XINJIANG IN oil/gas EXPLORATION IN 1997
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Offshaore Dipeline Campleted in Dinghu Oil/gas Field
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《China Oil & Gas》 CAS 1998年第3期159-159,共1页
关键词 Offshaore Dipeline Campleted in Dinghu oil/gas Field
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Five New Oil/Gas Fields Slated for Turpan-Hami
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《China Oil & Gas》 CAS 1997年第2期73-73,共1页
关键词 Five New oil/gas Fields Slated for Turpan-Hami
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Statistics of Chinese Oil/Gas Production,Petroleum Drilling and Geophysical Surve
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《China Oil & Gas》 CAS 1999年第1期6-6,共1页
关键词 Statistics of Chinese oil/gas Production Petroleum Drilling and Geophysical Surve
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China will Put More to DevelopOffshore Oil/Gas Fields
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《China Oil & Gas》 2000年第1期31-31,共1页
关键词 WILL China will Put More to DevelopOffshore oil/gas Fields BAY
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Statistics of Chinese Oil/Gas Production,Petroleum Drilling and Geophysical Survey
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《China Oil & Gas》 2000年第1期19-19,共1页
关键词 Statistics of Chinese oil/gas Production Petroleum Drilling and Geophysical Survey
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Shale oil and gas exploitation in China:Technical comparison with US and development suggestions 被引量:3
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作者 LEI Qun WENG Dingwei +5 位作者 GUAN Baoshan SHI Junfeng CAI Bo HE Chunming SUN Qiang HUANG Rui 《Petroleum Exploration and Development》 SCIE 2023年第4期944-954,共11页
The shale oil and gas exploitation in China is technically benchmarked with the United States in terms of development philosophy,reservoir stimulation treatment,fracturing parameters,fracturing equipment and materials... The shale oil and gas exploitation in China is technically benchmarked with the United States in terms of development philosophy,reservoir stimulation treatment,fracturing parameters,fracturing equipment and materials,oil/gas production technology,and data/achievements sharing.It is recognized that the shale oil and gas exploitation in China is weak in seven aspects:understanding of flow regimes,producing of oil/gas reserves,monitoring of complex fractures,repeated stimulation technology,oil/gas production technology,casing deformation prevention technology,and wellbore maintenance technology.Combined with the geological and engineering factors of shale oil and gas in China,the development suggestions of four projects are proposed from the macro-and micro-perspective,namely,basic innovation project,exploitation technology project,oil/gas production stabilization project,and supporting efficiency-improvement project,so as to promote the rapid,efficient,stable,green and extensive development of shale oil and gas industry chain and innovation chain and ultimately achieve the goal of“oil volume stabilizing and gas volume increasing”. 展开更多
关键词 shale oil and gas reservoir stimulation oil/gas production technology oil/gas development philosophy reservoir stimulation treatment flow regime
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