2019 Vol. 41, No. 2

Display Method:
2019, 41(2): .
Abstract:
Prospects for ultra-deep oil and gas in the “deep burial and high pressure” Tarim Basin
GU Yi, WAN Yanglu, HUANG Jiwen, ZHUANG Xinbing, WANG Bin, LI Miao
2019, 41(2): 157-164. doi: 10.11781/sysydz201902157
Abstract(1950) PDF-CN(600)
Abstract:
Ultra-deep oil and gas exploration technology is developing, and the thermal evolution of source rocks under high pressure in the Tarim Basin has become the focus of ultra-deep oil and gas resource evaluation and hydrocarbon generation theory research. Simulated hydrocarbon generation from source ro...
Tectonic evolution characteristics of Yingjisha and Pishan areas and the influence on petroleum accumulation in the southwest depression, Tarim Basin
XIE Qiaoming, WANG Zhenliang, YIN Chengming, LI Qingyao, LIAO Xiao, ZHAO Zilong, ZHANG Kuaile
2019, 41(2): 165-175. doi: 10.11781/sysydz201902165
Abstract(1508) PDF-CN(150)
Abstract:
The oil and gas exploration degree in the southwestern depression of the Tarim Basin is low overall. Complex tectonic evolution is one of the key factors that restrict the hydrocarbon accumulation and exploration in this depression. There are no major discoveries in the Yingjisha and Pishan areas th...
Sedimentary characteristics and geological significance of tempestites in the Upper Cambrian Xixiangchi Formation, Chengkou area, northern margin of the Yangtze Platform
WANG Han, LI Zhiwu, LIU Shugen, SONG Jinmin, RAN Bo, LAI Dong, HAN Yuyue
2019, 41(2): 176-184. doi: 10.11781/sysydz201902176
Abstract(1342) PDF-CN(226)
Abstract:
The Upper Cambrian Xixiangchi Formation has been considered as a potential target for hydrocarbon exploration in the Sichuan Basin, but little is known about its sedimentary facies and controls on reservoir quality. The tempestite deposition found in the Xixiangchi Formation at the northern margin o...
Transmission model of secondary gas reservoir on the basin margin of Jiyang Depression
ZHANG Weizhong, ZHANG Yunyin, WANG Xingmou, ZHA Ming, DONG Li, LIU Haining, QU Zhipeng, YU Jingqiang
2019, 41(2): 185-192. doi: 10.11781/sysydz201902185
Abstract(1513) PDF-CN(127)
Abstract:
Heavy oil and gas have an association in a shallow fault basin reservoir. More than 50% of shallow gas reservoirs came from the biodegradation of heavy oil. However, there is little research on the migration process from the heavy oil reservoir to the shallow gas reservoir. Through the study of the ...
Gas migration mode for the central canyon in deep-water Qiongdongnan Basin
LIU Jingjing, LIU Zhen, WANG Zisong, CAO Shang, SUN Xiaoming
2019, 41(2): 193-199. doi: 10.11781/sysydz201902193
Abstract(1340) PDF-CN(110)
Abstract:
Exploration results showed that the gas in the shallow Neogene central canyon reservoirs of the Qiongdongnan Basin mainly came from the deep Paleogene source rocks in the deep-water area. However, given that the late tectonic activity in the basin was weak, how did the gas in the deep formations mig...
Fault characteristics and controls on hydrocarbon accumulation in Changling Faulted Depression, Songliao Basin
ZUO Zongxin, LU Jianlin, WANG Miao, LI Ruilei, LI Hao, ZHU Jianfeng
2019, 41(2): 200-206. doi: 10.11781/sysydz201902200
Abstract(1493) PDF-CN(162)
Abstract:
Multiple types of oil and gas reservoirs have been found in the Changling Faulted Depression, and the reservoir types and pool size are variable in different areas. Fault characteristics, forming mechanisms and activity periods were studied based on seismic interpretation. The fault controls on hydr...
Pore structure characteristics of the Lower Cambrian black shale in the Cengong block, southeastern Guizhou area
WANG Ruyue, HU Zongquan, YANG Tao, GONG Dajian, YIN Shuai, LIU Zhongbao, GAO Bo
2019, 41(2): 207-214. doi: 10.11781/sysydz201902207
Abstract(1391) PDF-CN(141)
Abstract:
Based on the mineralogy, organic geochemistry, nitrogen adsorption, physical properties and FE-SEM observation, the pore structure characteristics of the Niutitang and Bianmachong marine shales of the Lower Cambrian in the southeastern Guizhou area were systematically analyzed. The dominant pore typ...
Jurassic coal bed methane characteristics and gas-bearing property evaluation in Iqe Coalfield, northern Qaidam Basin
CHEN Lei, TIAN Jingchun, WEN Huaijun, LIU Shiming, YANG Ying
2019, 41(2): 215-221. doi: 10.11781/sysydz201902215
Abstract(1426) PDF-CN(127)
Abstract:
The northern margin of the Qaidam Basin is rich in coal and coal bed methane resources. The Iqe Coalfield is a typical area rich in coalbed methane, which mainly occurs in the Shimengou and Dameigou formations in the Middle Jurassic. Gas contents vary in different areas of the Iqe Sag influenced by ...
Differential tectonic evolution and a dynamic oil pool in the south of block 17, Oriente Basin
FU Zhifang, GAO Jun, KONG Fanjun, ZHANG Liwei, ZHANG Wencai, TENG Binbin
2019, 41(2): 222-227. doi: 10.11781/sysydz201902222
Abstract:
The foreland region of the Oriente Basin, which has suffered multiple stages of differential tectonic deformation under continuous EW compression, is critical for hydrocarbon accumulation and has become a predominant factor for a dynamic oil pool in the basin. This study shows an oil pool in the for...
Difference of lithofacies mechanical properties of the fourth member of Shahejie Formation in the Bonan Subsag, Bohai Bay Basin
LI Zhipeng, BU Lixia
2019, 41(2): 228-233. doi: 10.11781/sysydz201902228
Abstract:
Based on the data of well cores in low permeability reservoirs in the fourth member of Shahejie Formation in the Bonan Oilfield, the rock facies types were studied. Using conventional three axis compression test data of different lithofacies, restored static rock mechanical parameters were establish...
Microscopic heterogeneity of Toutunhe Formation and its relationship with crucial short-term base level cycle in Fudong slope area, Junggar Basin
LIU Ni, TANG Qunying, LIU Jing, YU Jingwei, LI Qinzhao, HOU Xiaoxiao
2019, 41(2): 234-242. doi: 10.11781/sysydz201902234
Abstract:
The Middle Jurassic Toutunhe Formation in the Fudong slope area of the Junggar Basin is a typical reservoir. Many problems such as remaining oil which is hard to extract and low recovery efficiency are found in deep development. To solve these problems, the microscopic heterogeneity in the second me...
Sequence stratigraphy and isotope geochemical response and development pattern of reef and shoal: a case study of Changxing Formation in the marginal zone of Eastern Sichuan Chengkou-Western Hubei Oceanic Trough
DONG Qingmin, HU Zhonggui, CAI Jialan, LI Shilin, SU Nan, ZUO Mingtao, QIN Peng
2019, 41(2): 243-250. doi: 10.11781/sysydz201902243
Abstract(1273) PDF-CN(149)
Abstract:
The Upper Permian Changxing Formation reef and shoal in the eastern Sichuan Basin has great potential for oil and gas exploration. The analysis of sequence stratigraphic and isotopic composition response as well as reef and shoal development patterns can provide a reliable geologic basis for reef an...
Geochemical characteristics and source of crude oil in Xihu Sag, East China Sea Shelf Basin
CAO Qian, SONG Zaichao, ZHOU Xiaojin, LIANG Shiyou, WANG Ling
2019, 41(2): 251-259. doi: 10.11781/sysydz201902251
Abstract:
The geochemical characteristics of oil in the Central Anticline, Santan Sag and Baochu Slope were determined, and the oil source correlation and the process of oil accumulation were analyzed based on geological and geochemical analyses. There are differences in crude oil maturity, parent material so...
Experiments on the generation of dimethyldibenzothiophene and its geochemical implications
WU Jia, QI Wen, LUO Qingyong, CHEN Quan, SHI Shengbao, LI Meijun, ZHONG Ningning
2019, 41(2): 260-267. doi: 10.11781/sysydz201902260
Abstract(1146) PDF-CN(103)
Abstract:
Dibenzothiophene (DBT) and its homologues are important molecular markers in petroleum geochemistry. However, DBT-related geochemical indicators were derived mainly based on empirical observations due to insufficient understanding of the mechanisms through which these organosulfur compounds were gen...
Genesis of hydrogen sulfide in Du 84 block, Liaohe Oilfield
HOU Guoru
2019, 41(2): 268-273. doi: 10.11781/sysydz201902268
Abstract:
During the thermal recovery of extra heavy oil in the Liaohe Oilfield, the concentration of H2S increased, which results in the increased cost of the desulfurization facility and oil-and-gas treatment. Crude oil, associated gas, formation water and reservoir minerals were analyzed and the H2S produc...
Molecular dynamics simulation and microscopic mechanism of CO2 composite flooding
JIANG Yongping
2019, 41(2): 274-279. doi: 10.11781/sysydz201902274
Abstract(1362) PDF-CN(142)
Abstract:
A CO2 composite flooding method was proposed for remaining oil exploitation and achieved significant effects in pilot well tests in order to improve residual oil recovery efficiency in complex fault block oilfields during high water cut period. There are few related studies on the microscopic mechan...
Thermal conductivity properties of rocks in the Chang 7 shale strata in the Ordos Basin and its implications for shale oil in situ development
CUI Jingwei, HOU Lianhua, ZHU Rukai, LI Shixiang, WU Songtao
2019, 41(2): 280-288. doi: 10.11781/sysydz201902280
Abstract(1323) PDF-CN(133)
Abstract:
In situ conversion is a key area of China’s continental shale oil research. The thermal properties of rocks in the seventh member of the Triassic Yanchang Formation (Chang 7) in the Ordos Basin, especially the high temperature thermal properties are still unknown, which seriously restricts the optim...
Thermal conductivity of gas-bearing shale of the Longmaxi Formation in the southern Sichuan
CHENG Chao, LIN Haiyu, JIANG Yuqiang, FENG Lei, XIA Yu, MU Chunhao
2019, 41(2): 289-294. doi: 10.11781/sysydz201902289
Abstract(1572) PDF-CN(147)
Abstract:
The deep gas-bearing shale in the Longmaxi Formation in the southern Sichuan Basin was used to explore basic characteristics of deep gas-bearing shale and factors controlling those characteristics, such as mineral composition, TOC content, porosity and thermal conductivity. The thermal conductivity ...
Analysis of main controls of stratigraphic reservoirs in Xingouzui Formation of Jiangling Sag based on a multivariate statistical method
PENG Wei, HUANG Hua, DU Xuebin, ZHANG Cheng, HE Yunlong, LI Chen, ZHAO Ke, YANG Pan
2019, 41(2): 295-302. doi: 10.11781/sysydz201902295
Abstract:
Stratigraphic reservoirs are important areas for future oil and gas exploration in the Jiangling Sag of Jianghan Basin, but their hydrocarbon accumulation controls have not been systematically studied. Based on a multivariate statistical method, some key controls of stratigraphic reservoir formation...
2019, 41(2): 303-303.
Abstract: