石油实验地质

2011, 33(1)

Abstract(370) PDF-CN(32)

Abstract:

Yanshan Movement and its influence on petroleum preservation in middle-upper Yangtze region

He Zhiliang, Wang Xinwei, Li Shuangjian, Wo Yujing, Zhou Yan

2011, 33(1): 1-11. doi: 10.11781/sysydz201101001

Abstract(3469) PDF-CN(1065)

Abstract:
Based on systemic researches on unconformity,tectonic dating and deformation of Jurassic and Cretaceous in different locations of the middle-upper Yangtze region,the Yanshan Movement was divided into 4 stages:the end of Middle Jurassic(Ⅰ),the end of Late Jurassic to the beginning of Early Cretaceous...

Key tectonic changes, deformation styles and hydrocarbon preservations in Middle-Upper Yangtze region

Tang Liangjie, Cui Min

2011, 33(1): 12-16. doi: 10.11781/sysydz201101012

Abstract(3269) PDF-CN(732)

Abstract:
Controlled by different geodynamic backgrounds and tectonic stress fields,the Middle-Upper Yangtze region had experienced stages of tectonic movements,resulting in styles of faults,folds and unconformities.There were 4 key tectonic movements including the Guangxi,the Indosinian,the Yan-shanian and t...

Fluid characteristics and hydrocarbon preservation conditions in marine facies strata of middle-upper Yangtze region

Liu Guangxiang, Wo Yujin, Pan Wenlei, Zhang Changjiang

2011, 33(1): 17-21. doi: 10.11781/sysydz201101017

Abstract(3497) PDF-CN(750)

Abstract:
Based on studies of formation water chemical characteristics,H,O and S isotopes in formation water,natural gas composition,C isotope in alkane,H isotope in methane and light hydrocarbon composition in the middle-upper Yangtze region,combined with petroleum shows and productions,the research area was...

Distinguishing indicators and prospect significance of Cambrian dissolved gypseous breccias in southern Sichuan Basin

Peng Yongmin, Gao Bo, Zhang Rongqiang, Zhang Dianwei, Sun Dongsheng, Wo Yujin, Zhou Yan, Wang Xinwei, Li Shuanjian

2011, 33(1): 22-27. doi: 10.11781/sysydz201101022

Abstract(3638) PDF-CN(815)

Abstract:
Dissolved gypseous breccias were discovered with gypseous rocks in the Cambrian surface outcrops in Huocaoping region of Leibo County and Heima region of Ganluo County in the southern Sichuan Basin.According to profile analyses of the Cambrian,several dissolved gypseous breccias were found in Zhuazh...

Control on cap rock seal capacity by sequence style in middle-upper Yangtze region

Zhou Yan, Peng Yongmin, Li Shuangjian

2011, 33(1): 28-33. doi: 10.11781/sysydz201101028

Abstract(2726) PDF-CN(676)

Abstract:
The marine strata in the middle-upper Yangtze region can be divided into 3 types:T,H and TH.Different sequence style has different effect on accumulation.Cap rock deposition and evolution are mainly controlled by the H style.As to muddy cap formations,the cap rocks in the 2nd grade transgre-ssion sy...

Primary discussion on relationship between hydrocarbon preservation and tectonic movement—a case study in upper Yangtze region

Wang Xinwei, Wo Yujin, Zhou Yan, Zhang Rongqiang, Li Shuangjian, Yuan Yusong

2011, 33(1): 34-42. doi: 10.11781/sysydz201101034

Abstract(3026) PDF-CN(1078)

Abstract:
The previous studies of the relationship between tectonic movement and hydrocarbon preservation mainly focused on the destructive functions of tectonic movement rather than the constructive functions.Taking the upper Yangtze region as an example,it was discussed in this paper the influence of tecton...

Destruction types and temporal—spatial distribution of marine hydrocarbon reservoirs in South China

Li Shuangjian, Gao Bo, Wo Yujin, Zhou Yan, Yuan Yusong

2011, 33(1): 43-49. doi: 10.11781/sysydz201101043

Abstract(2944) PDF-CN(806)

Abstract:
According to statistics of destroyed hydrocarbon reservoir,natural asphalt,oil and gas seepage and evidence,with studies of basic geological factors which influenced hydrocarbon accumulation and destruction,it was summarized in this paper the destruction types and the distribution of marine hydrocar...

Hydrocarbon preservation and exploration in Bachu Uplift of Tarim Basin

Gu Yi, Shao Zhibing, Zhao Ming, He Guangyu

2011, 33(1): 50-55. doi: 10.11781/sysydz201101050

Abstract(5347) PDF-CN(730)

Abstract:
The Bachu Uplift of the Tarim Basin had experienced several tectonic movements during the middle Caledonian(the end of the Late Ordovician),the early Hercynian(the end of the Middle Devonian),the late Hercynian(the Late Permian),the Indosinian-Yanshanian and the Himalayan,among which the middle Hima...

Diagenetic environments of calcite veins hosted in marine carbonate rocks in middle Yangtze region of South China

Wang Furong, He Sheng, Yang Xingye

2011, 33(1): 56-60. doi: 10.11781/sysydz201101056

Abstract(2940) PDF-CN(963)

Abstract:
Analyses of thin slices,cathodoluminescence and carbon—oxygen isotope of calcite veins hosted in marine carbonate rocks distributed around Jingshan County in the middle Yangtze region of South China indicated that,two crystal forms including radial calcite and isometric texture calcite could be iden...

Geochemical characteristics and origin of reservoir bitumen in Wangcun paleo-reservoir, western Hunan Province

Gao Bo, Zhou Yan, Liu Quanyou, Peng Yongmin, Li Shuangjian, Wang Xinwei

2011, 33(1): 61-65. doi: 10.11781/sysydz201101061

Abstract(3185) PDF-CN(647)

Abstract:
It was analyzed in this paper the geochemical characteristics and the origin of reservoir bitumen in Wangcun paleo-reservoir in the western Hunan Province,the middle Yangtze region.The reflectance of reservoir bitumen from the Lower Ordovician to the Upper Cambrian Zhuitun Formation ranged from 3.09...

New explorations of petroleum preservation conditions in marine sequences, South China—concept and research methods of ‘preservation system’

Wo Yujin, Wang Xinwei, Yuan Yusong, Li Shuangjian, Zhou Yan, Gao Bo, Zhang Rongqiang, Zhang Dianwei

2011, 33(1): 66-73. doi: 10.11781/sysydz201101066

Abstract(2965) PDF-CN(773)

Abstract:
The reservoirs in South China are characterized by mixed-sources,multiple kitchens as well as multi-stages of accumulation,deformation and destruction.It is necessary to explore new description methods and research ideas of petroleum preservation studies.A new concept of 'preservation system' and it...

Research on cap rock, pressure seal and abnormal pressure system

Liu Weixin, Cheng Qiuquan, Fan Ming

2011, 33(1): 74-80. doi: 10.11781/sysydz201101074

Abstract(3920) PDF-CN(768)

Abstract:
Based on studies of the Mesozoic unconventional tight sandstone gas reservoirs in the western depression of the Sichuan Basin,it was found that sealing capability of caprocks depends on not only micropores,but also fractures and pore fluid pressures.Researches of the Tertiary oil and gas reservoirs ...

Prediction of Triassic gypsum cap rocks in Tongnanba region of Northeast Sichuan Basin

Wei Shuijian, Feng Qiong, Feng Yin, Yuan Shukun

2011, 33(1): 81-86. doi: 10.11781/sysydz201101081

Abstract(2977) PDF-CN(635)

Abstract:
Based on detailed stratigraphic correlation,gypsum-salt rock petrophysical analyses and forward mo-deling,it was identified in this paper the seismic response characteristics of gypsum-salt cap rocks in Tongnanba region of the Northeast Sichuan Basin.With neural network seismic facies analysis metho...

Evaluation standard of mudstone caprock combining specific surface area and breakthrough pressure

Fan Ming, Chen Hongyu, Yu Lingjie, Zhang Wentao, Liu Weixin, Bao Yunjie

2011, 33(1): 87-90. doi: 10.11781/sysydz201101087

Abstract(3332) PDF-CN(749)

Abstract:
Based on summaries of previous analyses of evaluation standard of mudstone caprocks,it was analyzed in this paper the conventional physical parameters of mudstone samples from marine carbonate area in South China.It was concluded that the conventional physical parameters could not accurately evaluat...

Seal mechanism of cap rocks

Yu Lingjie, Fan Ming, Liu Weixin, Zhang Wentao, Chen Hongyu

2011, 33(1): 91-95. doi: 10.11781/sysydz201101091

Abstract(2789) PDF-CN(780)

Abstract:
Seal mechanism of cap rocks was analyzed with self-designed instrument for gas breakthrough pressure experiment.As to the same siltstone sample,breakthrough pressure was the same even though the sample length was different.Therefore,cap rock thickness does not affect capillary seal capacity in geolo...

Simulation experiment of water-rock interaction in Silurian mudstone cap formation and its significance in Southeast Sichuan Basin

Zhang Juntao, Wu Shixiang, Li Hongtao, Liu Zhili

2011, 33(1): 96-99. doi: 10.11781/sysydz201101096

Abstract(3862) PDF-CN(705)

Abstract:
The influence of water-rock interaction of cap rock on reservoir formation and hydrocarbon preservation under different environments was analyzed with simulation experiment of water-rock interaction.The mudstone cap rock samples from the Silurian Longmaxi Formation in the Southeast Sichuan Basin wer...

Well logging identification of gypsum cap rocks in middle-upper Yangtze region

Feng Qiong, Wei Shuijian

2011, 33(1): 100-104. doi: 10.11781/sysydz201101100

Abstract(2565) PDF-CN(640)

Abstract:
Based on well logging response characteristics of gypsum cap rocks in the middle-upper Yangtze region,with geology,well logging,core analysis and logging data,it was established in this paper a logging interpretation model of gypsum cap rock parameters using the core calibration logging method.The g...

2011 Vol. 33, No. 1

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