2022 Vol. 44, No. 6

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2022, 44(6): .
Abstract:
Dynamic difference and characterization of reservoir fluid in continental rift basins
ZHANG Shouchun, WANG Xuejun, WANG Xiuhong, ZHU Rifang, QIU Yibo
2022, 44(6): 941-949. doi: 10.11781/sysydz202206941
Abstract(603) HTML (143) PDF-CN(171) Cited By (1)
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In order to establish the relationship between hydrocarbon characteristic variations and dynamic environments, the differences of hydrocarbon geochemical characteristics of reservoirs in various pressure systems (overpressure zone, transitional pressure zone and normal pressure zone) were studied. T...
Differences in oil and gas enrichment in slope belts of rift basins and main controlling factors for hydrocarbon accumulation: a case study of Sanhe Sub-sag in Jinhu Sag, Subei Basin
HUA Zuxian, LIU Xiaoping, SUN Biao, LIU Tian, LIU Jie, LIU Qidong, LIU Shili, BI Tianzhuo
2022, 44(6): 950-958. doi: 10.11781/sysydz202206950
Abstract(927) HTML (350) PDF-CN(110) Cited By (8)
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The slope zone of rift basin is close to the hydrocarbon generation center of deep depression zone, and is favorable area for oil and gas accumulation. Due to the heterogeneity of the development of fault and sedimentary system in slope zone, oil and gas accumulations often show obvious heterogeneit...
Petroleum geological conditions and exploration potential of the Permian Qixia Formation in the middle segment of Western Depression, Sichuan Basin
ZHANG Zhuang, SU Chengpeng, SONG Xiaobo, SHI Guoshan, WANG Renfu, LI Suhua, DONG Xia, HU Yongliang
2022, 44(6): 959-970. doi: 10.11781/sysydz202206959
Abstract(575) HTML (239) PDF-CN(89) Cited By (3)
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In recent years, great breakthroughs have been achieved for the exploration in the Permian Qixia Formation of the Shuangyushi structure in the north and the Pingluoba structure in the south of the Western Depression of the Sichuan Basin (Chuanxi Depression), while the exploration of the same formati...
Imbibition characteristics and influencing factors of reservoirs with ultra-low permeability of Ordos Basin: a case study of third member of Triassic Yanchang Formation in Weibei Oil Field
LI Ming, LIAO Jing, WANG Su, HE Zixiao, WANG Huiwei, WANG Jun, HE Hui, ZHU Yushuang
2022, 44(6): 971-980. doi: 10.11781/sysydz202206971
Abstract(861) HTML (359) PDF-CN(63) Cited By (12)
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The Weibei Oil Field of the Ordos Basin has reservoirs of ultra-low permeability with small pores and complex pore throat structures. Imbibition is obvious at the early stage of water injection, which improved the effect of oilfield development. However, the characteristics of imbibition and the ext...
Source and migration direction of hydrocarbon in Lower Paleozoic in Gubei buried hill, Jiyang Depression, Bohai Bay Basin
ZHANG Bo
2022, 44(6): 981-988. doi: 10.11781/sysydz202206981
Abstract(377) HTML (132) PDF-CN(69) Cited By (10)
Abstract:
In order to clarify the characteristics of oil and gas migration and accumulation in the Lower Paleozoic of the Gubei buried hill and guide the direction of further oil and gas exploration, the hydrocarbon generation, transportation, migration and accumulation were systematically studied based on th...
Structural characteristics and genetic mechanism of Gaoyang low uplift in Jizhong Depression, Bohai Bay Basin
SHAN Shuaiqiang, HE Dengfa, FANG Chengming, ZHANG Yuying, HU Meiling
2022, 44(6): 989-996. doi: 10.11781/sysydz202206989
Abstract(686) HTML (242) PDF-CN(93) Cited By (7)
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As a secondary structural unit locating in the central Jizhong Depression of the Bohai Bay Basin, the formation and evolution of Gaoyang low uplift is closely related to the development of the adjacent Baoding and Raoyang sags. The understanding for the structural characteristics of the Gaoyang low ...
Influence of tectonic evolution of the northern slope in the central Sichuan paleo-uplift on the Sinian-Cambrian hydrocarbon accumulations
LI Qiang, LIU Guangdi, SONG Zezhang, SUN Mingliang, ZHU Lianqiang, TIAN Xingwang, MA Kui, YANG Dailin, WANG Yunlong, CAO Yushun, YOU Fuliang
2022, 44(6): 997-1007. doi: 10.11781/sysydz202206997
Abstract(778) HTML (303) PDF-CN(86) Cited By (11)
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The Sinian-Cambrian tight carbonate strata locating on the northern slope (NS) of the paleo-uplift of central Sichuan Basin is the frontier for ultra-deep natural gas exploration. The tectonic evolution of the NS determined the accumulation process and current distribution of oil and gas. In this st...
Features of Middle-Lower Ordovician paleo-karst caves in western slope area, Tahe Oil Field, Tarim Basin
ZHANG Changjian, LÜ Yanping, ZHANG Zhenzhe
2022, 44(6): 1008-1017. doi: 10.11781/sysydz2022061008
Abstract(506) HTML (208) PDF-CN(58) Cited By (17)
Abstract:
Seismic and drilling data were obtained to study the paleo-karst development conditions and cave developmental characteristics of the Middle-Lower Ordovician in the incised meandering canyon area on the western slope of Tahe Oilfield, Tarim Basin. Using layer leveling, tectonic trend surface, amplit...
Thermal evolution characteristics of Triassic source rocks and their petroleum geological significance on the southern slope of Kuqa Depression, Tarim Basin
ZHANG Tan, QI Yukai, YAO Wei, ZHAO Yongqiang, GUO Jingxiang, LIN Huixi, HAN Bo, YANG Hongcai, LUO Liang
2022, 44(6): 1018-1027. doi: 10.11781/sysydz2022061018
Abstract(542) HTML (203) PDF-CN(79) Cited By (15)
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According to the latest three-dimensional seismic stratification data, the Triassic source rocks are recognized to be deeply buried on the southern slope of Kuqa Depression, Tarim Basin, making it possible to develop local source rocks. Based on geochemical data and basin simulation, the burial hist...
Enrichment types and hydrocarbon composition characteristics of shale oil in the northern part of Dongpu Sag, Bohai Bay Basin: a case study of the third member of Paleogene Shahejie Formation of well Wen 410
LENG Junying, QIAN Menhui, LU Kun, XU Ershe, ZHOU Yongshui, BAO Yunjie, LI Zhiming, JIANG Qigui
2022, 44(6): 1028-1036. doi: 10.11781/sysydz2022061028
Abstract(586) HTML (231) PDF-CN(58) Cited By (2)
Abstract:
To reveal the oil-bearing characteristics and hydrocarbon composition of shale oils in the third member of Shahejie Formation in the northern part of Dongpu Sag, Bohai Bay Basin, analysis and testing were carried out by the means of frozen-craching followed by pyrolysis, 3D quantitative fluorescence...
Classification of shale lithofacies from Ordovician Wufeng Formation to first section of first member of Silurian Longmaxi Formation, western Changning area, Sichuan Basin, and its significance
LIAO Chongjie, CHEN Lei, ZHENG Jian, CHEN Yana, JIN Zhimin, LI Minglong, CHEN Xin, TAN Xiucheng
2022, 44(6): 1037-1047. doi: 10.11781/sysydz2022061037
Abstract(593) HTML (196) PDF-CN(84) Cited By (12)
Abstract:
Shale gas exploration has been successfully carried out in the Upper Ordovician Wufeng Formation to the Lower Silurian Longmaxi Formation of the Changning area of Sichuan Basin. To clarify the lithofacies differences, vertical and horizontal distribution signatures, reservoir development characteris...
Geochemical characteristics and resource potential of source rocks in Aixi Sag, Yingen-Ejinaqi Basin
ZHANG Yaxiong, CHEN Zhijun, GAO Yiwen, WANG Xiaoduo, HAN Changchun, LI Ziliang
2022, 44(6): 1048-1058. doi: 10.11781/sysydz2022061048
Abstract(464) HTML (187) PDF-CN(53)
Abstract:
In order to clarify the source rock conditions and oil/gas potential of the Aixi Sag in the Yingen-Ejinaqi Basin, based on the analytical results of mudstone samples from two exploratory wells, a systematic evaluation of the source rocks was carried out in this paper, and the effective source rocks ...
Biomarker compositions and geochemical significance of crude oils of Baiyun Sag, Pearl River Mouth Basin
RAN Zichao, LI Meijun, LI Youchuan, SHI Yang, WANG Ning, YANG Yongcai, LU Xiaolin, XIAO Hong
2022, 44(6): 1059-1069. doi: 10.11781/sysydz2022061059
Abstract(738) HTML (256) PDF-CN(80) Cited By (2)
Abstract:
Crude oils from the Baiyun Sag of Pearl River Mouth Basin have high abundance of diagnostic biomarkers including novel C15 sesquiterpene, special configurated tricyclic sesquiterpenes and tetracyclic sesquiterpenes (X, Y, Z and X1, Y1, Z1), and bicadinanes, which indicate the contributions from terr...
Prediction of organic facies of deep source rocks in southwestern part of Bozhong Sag, Bohai Bay Basin
WANG Xiang, MA Jinfeng, WANG Feilong, WANG Zhenliang, CHEN Rongtao, YAN Xinyu
2022, 44(6): 1070-1080. doi: 10.11781/sysydz2022061070
Abstract(542) HTML (188) PDF-CN(69) Cited By (8)
Abstract:
Considering the characteristics of abundant source rock formations and heterogeneity in the southwestern part of the Bozhong Sag, Bohai Bay Basin, based on the geochemical and petrographic analysis of source rocks, the methods of ΔlogR series, multiple regression and BP neural network are applied to...
Play risk evaluation for hydrocarbon exploration
LIU Zengqin, LÜ Rui
2022, 44(6): 1081-1087. doi: 10.11781/sysydz2022061081
Abstract(1640) HTML (191) PDF-CN(92) Cited By (2)
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Risk and uncertainty are coherent attributes in hydrocarbon play exploration, and comprehensive exploration strategy requires a deliberate consideration of risk aversion and an faithful understanding of uncertainty. According to the characteristics of SINOPEC oversea oil and gas exploration projects...
Method of post-drilling assessment for the prospect evaluation of petroleum exploration
WANG Yigang, SHENG Xiujie, YANG Shuang, CAO Jin
2022, 44(6): 1088-1091. doi: 10.11781/sysydz2022061088
Abstract(955) HTML (413) PDF-CN(89) Cited By (1)
Abstract:
Post-drilling evaluation is an important part of prospect evaluation in the oil and gas exploration processes. With the comparative analysis of pre-drilling prediction and post-drilling results, the experience is summarized, and the deficiencies in pre-drilling evaluation and prediction are correcte...
Experimental study on the mobility of Junggar Basin's Jimsar shale oil by CO2 huff and puff under different temperatures and pressures
WANG Ziqiang, GE Hongkui, GUO Huiying, ZHOU Hao, ZHANG Yuankai
2022, 44(6): 1092-1099. doi: 10.11781/sysydz2022061092
Abstract(446) HTML (256) PDF-CN(54) Cited By (19)
Abstract:
Micro- and nano-scale pore-throat fissure systems were mainly developed in the Jimsar shale oil reservoir of the Junggar Basin with the oil of viscous and difficult to be produced.CO2 huff-and-puff is an important technology to enhance the oil recovery. To understand the mobility law of Jimsar shale...
Evaluation method for uncertain potential of undeveloped reserves
FAN Yumei
2022, 44(6): 1100-1104. doi: 10.11781/sysydz2022061100
Abstract(487) HTML (179) PDF-CN(41) Cited By (3)
Abstract:
Retained undeveloped reserves are generally low-grade and undergone multiple rounds of screening and evaluation. The reservoir is highly heterogeneous and the overall production technology is poorly matched.Therefore, the use of traditional deterministic parameters to evaluate and screen the overall...
Application of mercury intrusion method and digital image analysis in quantitative analysis of micro-scale pores in tight sandstone reservoirs: a case study of X block in Wuqi Oil Field, Ordos Basin
SUN Yaxiong, ZHANG Tan, DING Wenlong, YAO Wei, ZHANG Chi
2022, 44(6): 1105-1115. doi: 10.11781/sysydz2022061105
Abstract(575) HTML (211) PDF-CN(62) Cited By (21)
Abstract:
In order to investigate the pore structures of the tight sandstone reservoirs in the 4+5th and 6th members of the Triassic Yanchang Formation (Chang4+5 and Chang6, respectively), and the 9th and 10th members of the Jurassic Yan'an Formation (Yan9 and Yan10, respectively) in the X block of Wuqi Oil F...
Discussion on integrated geological and geophysical identification method for spatial distribution of favorable source rocks in depression with lack of drilling data: a case study of Enping 17 Sag, Zhu Ⅰ Depression, Pearl River Mouth Basin
PENG Guangrong, LONG Zulie, SHI Yuling, SHI Chuang, YANG Xingye, LIU Ling, MA Xiaonan
2022, 44(6): 1116-1122. doi: 10.11781/sysydz2022061116
Abstract(483) HTML (267) PDF-CN(42) Cited By (8)
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Due to the lack of drilling data in the Zhu 1 Depression of the Pear River Mouth Basin, the Enping 17 Sag is taken as an example in this paper to solve the problem of comprehensive identification of underground distribution of high-quality source rocks. Based on the analysis of the geological backgr...
2022, 44(6): 1123-1123.
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2022, 44(6): 1124-1124.
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2022, 44(6): 1125-1134.
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