石油实验地质

DEVELOPMENTS IN THE FLUID DYNAMICS AND HYDROCARBON MIGRATION OF SEDIMENTARY BASINS

WANG Zhenliang

2002, 24(2): 99-103. doi: 10.11781/sysydz200202099

Abstract(756) PDF-CN(494)

Abstract:
Fluid dynamics is the nucleus of basin fluid geology.The analysis on the development characteristics and evolutionary history of fluid dynamics is an effective way to study hydrocarbon migration and accumulation at present.Because of the violent deformation of Chinese sedimentary basins in the later...

STUDY ON THE SEDIMENTARY FACIES AND SEQUENCE STRATIGRAPHY OF THE ORDOVICIAN CARBONATE ROCK IN TAHE OILFIELD

LIU Wen, LI Yonghong, ZHANG Tao, LI Guorong

2002, 24(2): 104-109. doi: 10.11781/sysydz200202104

Abstract(673) PDF-CN(547)

Abstract:
In accordance with core and thin section observation,the oosparite and algal bindstone of S69-S76 wells on the southern margin of Tahe oilfield is in contrast with the micrite,sparry limerudite or limearenite and microspar limearenite in the other areas.So,the boundary of the Early Ordovician sedime...

ANALYSIS ON THE CENOZOIC PETROLEUM SYSTEM IN THE WAN’AN BASIN, NANSHA AREA

LIU Botu, CHEN Changsheng

2002, 24(2): 110-114. doi: 10.11781/sysydz200202110

Abstract(554) PDF-CN(445)

Abstract:
The Cenozoic petroleum system in the Wan'an Basin is made of the Oligocene-Middle Miocene source rocks,the Pre-Tertiary bedrock-Miocene reserviors and the Pliocene-Quaternary caprocks.The traps are dominated by fault blocks,anticlines and reefs.The main source rocks reached the peak of hydrocarbon g...

CONTROLLING FACTORS OF HIGH GAS PRODUCTION IN THE UPPER PALEOZOIC OF WUSHENQI GASFIELD, THE SHANGANNING BASIN

ZHANG Ming, DENG Hongwen, CUI Baochen, MU Fuyuan, FAN Xiaofeng

2002, 24(2): 115-118. doi: 10.11781/sysydz200202115

Abstract(890) PDF-CN(454)

Abstract:
The distribution rules of reservoir fissures and the space-time development characteristics of monosandbodies are focal points for the study of pore-fissure-typed reservoirs,and are also major controlling factors to the high gas production of gas fields in the middle part of the Upper Paleozoic in t...

DEVELOPMENT OF THE NS FAULTS ON THE WESTERN MARGIN OF THE ORDOS BASIN AND ITS GEOLOGIAL SIGNIFICANCE

ZHANG Qinglong, XIE Guoai, REN Wenjun, YUAN Yuzhen, XIAO Wenxia, GUO Lingzhi

2002, 24(2): 119-125. doi: 10.11781/sysydz200202119

Abstract(712) PDF-CN(431)

Abstract:
The geometrical,kinematical and dynamical characteristics of the Qingtongxia Guguan Fault,a most important fault of the fault zone on the western margin of the Ordos Basin,were studied comprehensively in this paper.It is considered that the diabase outcropped in the fault zone belongs to "tectonic c...

INFLUENCE OF DIAGENETIC MINERAL FACIES BELTS ON THE ACCUMULATION PROPERTIES OF SANDSTONE IN THE WESTERN SICHUAN DEPRESSION

RAO Dan, ZHOU Dongshen, JIA Cunshan

2002, 24(2): 126-129. doi: 10.11781/sysydz200202126

Abstract(605) PDF-CN(403)

Abstract:
The sandstone reserviors show severe heterogeneity in the Shaximiao Fr.in the central part of the Western Sichuan Depression.The accumulation properties of the reservoirs are mainly controlled by diagenetic mineral facies belts.The development of secondary porosity is indicated by the chlorite-zeoli...

DISTRIBUTION RULES OF NATURAL GAS IN THE WEIBEI BASIN

WANG Zecheng, LI Xiaoqing, CHENG Youyi, WU Damao

2002, 24(2): 130-135. doi: 10.11781/sysydz200202130

Abstract(696) PDF-CN(448)

Abstract:
Coal,oil and natural gas are coexisting in the Weibei Basin.According to the component and carbon isotope characteristics of natural gas and combining with organic matter types,thermal evolutionary stages and other data of hydrocarbon source rocks,natural gas was classified into bacteriogenetic gas,...

POOL-FORMING MECHANISM OF THE XIAKOU FAULTED ZONE IN THE HUIMIN DEPRESSION

FU Jinhua

2002, 24(2): 136-140. doi: 10.11781/sysydz200202136

Abstract(743) PDF-CN(470)

Abstract:
Based on the analysis of burial history,tectonic evolutionary history and stress-field evolutionary history,the contamination factors of mudstone and the normal stress of sections for different strike segments and different periods in the Xiakou faulted zone were calculated.Combined with the mechani...

STUDY ON THE DISTRIBUTION RULES OF HYDROCARBON IN THE NORTHERN MARGIN OF THE QAIDAM BASIN

XUE Guanghua, YANG Yongtai

2002, 24(2): 141-146. doi: 10.11781/sysydz200202141

Abstract(676) PDF-CN(439)

Abstract:
Based on the exploration results and geological cognition obtained in the northern margin of the Qaidam Basin,the major controlling factors of hydrocarbon accumulation in this area were discussed in depth and the distribution rules of hydrocarbon were analyzed systematically.This has an important si...

GAS-GENERATING CHARACTERISTICS OF COAL ROCK AND ITS MARCERAL IN THERMAL SIMULATION

LIU Quanyou, LIU Wenhui, QIN Shengfei, WANG Wanchun, GAO Bo

2002, 24(2): 147-151. doi: 10.11781/sysydz200202147

Abstract(930) PDF-CN(545)

Abstract:
The coal rock and its marceral six series of samples were conducted a thermal simulation experiment.The temperature was programmed from 250 to 550℃ with a temperature step of 50℃.The gas products were analyzed systematically.The results show that the gas production rate is increasing with temperatur...

HYDROCARBON YIELD AND GEOCHEMIAL PARAMETERS AFFECTED BY HEATING TIME AND ADDED WATER AMOUNT IN THE SIMULATION TEST

QIN Jianzhong, LIU Jingwang, LIU Baoquan, GUO Jianying, JIN Juchang, WANG Donglang, GUO Shuzhi, YU Guoying

2002, 24(2): 152-157. doi: 10.11781/sysydz200202152

Abstract(687) PDF-CN(501)

Abstract:
The simulation test of source rock under different heating time,added water amount and sample grain size was carried out.The yield of oil and gas in the simulation test of source rock varied obviously with different heating time,added water amount and sample grain size.When extending heating time,th...

EFFECT AND SIGNIFICANCE OF GEOCHEMICAL EXPLORATION IN OIL AND GAS PROSPECTING

CHENG Jun, ZHAO Kebin, LIU Congxi, SUN Changqin

2002, 24(2): 158-163. doi: 10.11781/sysydz200202158

Abstract(771) PDF-CN(376)

Abstract:
Based on the vertical micro migration theory of hydrocarbons,the geochemical exploration technology detects trace hydrocarbon components by advanced instruments and devices.Different grades of anomalies all have the character of good reproducibility and high stability.Regional anomalies forecast the...

AN EXPERIMENT STUDY ON THE ACOUSTIC CHARACTERISTICS OF PORES AND FRACTURES IN ROCK SAMPLES

ZHONG Kai, XU Mingjie, WANG Hong, WANG Yong, ZOU Xinning

2002, 24(2): 164-167. doi: 10.11781/sysydz200202164

Abstract(688) PDF-CN(914)

Abstract:
To investigate the pores and fractures of rock samples from the reserviors of Changqing gasfield,the P wave ultrasonic data with the samples were measured.Much useful information about the inner structure of the samples can be learned from P waves penetrated them.Based on the synthetic analysis of k...

STUDY AND APPLICATION OF THE COEFFICIENT OF HYDROCARBON ACCUMULATION DETERMINED BY MULTIFACTORS

SONG Guoqi

2002, 24(2): 168-171. doi: 10.11781/sysydz200202168

Abstract(811) PDF-CN(512)

Abstract:
The coefficient of hydrocarbon accumulation is the key parameter for hydrocarbon resource evaluation.Various references have showed that satisfied technology series have not been created although there have been a number of research methods of hydrocarbon accumulation coefficient.This paper discusse...

CALCULATION OF DENUDED STRATA THICKNESS BY FLUID INCLUSION DATA—A CASE STUDY OF THREE DEPRESSIONS IN THE EAST CHINA SEA BASIN

LIU Bin

2002, 24(2): 172-176. doi: 10.11781/sysydz200202172

Abstract(811) PDF-CN(514)

Abstract:
On the plotted graphs of formation temperature of fluid inclusions vs.burial depth,the point with distinct change of temperature corresponds to the erosion surface of unconformity.So,on the diagram of temperature (or pressure) vs.depth a straight line passing through the data points recording the te...

ADSORPTION EXPERIMENT OF EXTRA-HIGH RANK COAL UNDER THE CONDITION OF EQUILIBRIUM MOISTURE CONTENT

FU Xuehai, QIN Yong, LI Guanzhong, XU Lei, HU Chao

2002, 24(2): 177-180. doi: 10.11781/sysydz200202177

Abstract(778) PDF-CN(537)

Abstract:
In view of the gaps existing in the adsorptive characteristics research of extra high rank coal whose vitrinite has the maximum reflectance(R_o(max))of more than 4.0%,twelve coal samples(R_o(max)>4.0%)were collected systematically and conducted a high pressure and isothermal adsorption experiment u...

MEASUREMENT OF LASER RAMAN SPECTRA IN ORGANIC FLUID INCLUSIONS

HE Mouchun, Lü Xinbiao, WANG Qunying

2002, 24(2): 181-183. doi: 10.11781/sysydz200202181

Abstract(756) PDF-CN(574)

Abstract:
As an exclusive available approach of measuring molecular components in single fluid inclusion,laser Raman spectra is widely attended.The requirements of samples,the experimental conditions for Raman spectra and the arithmetic of Raman spectra were discussed.The connotation of laser Raman spectra an...

DESIGNING THE EARLY-STAGE DEVELOPMENT PROGRAM OF OIL/GAS RESERVIORS WITH THE WEIBULL MODEL

GONG Jiuhe, FENG Wenguang

2002, 24(2): 184-186. doi: 10.11781/sysydz200202184

Abstract(685) PDF-CN(402)

Abstract:
It is very difficult to design an early-stage development program of an oil/gas field due to unsufficient available data.By the Weibull model,an early-stage development program was designed for predicting various parameters related to the developing process.The typical curves of Q_maxt_R/N_o vs.E_R were...

STUDY ON THE NUMERICAL SIMULATION OF PRODUCTION MECHANISM FOR THE TRIASSIC RESERVOIRS OF XIDALIYA OILFIELD, THE TARIM BASIN

GUAN Xiaodong, LI Guiqing, YANG Qiulai

2002, 24(2): 187-192. doi: 10.11781/sysydz200202187

Abstract(897) PDF-CN(319)

Abstract:
According to the characteristics of the high water-content stage in which the development of Xidaliya oil and gas field is,the production mechanism of reservoirs is studied from production rate,vertical permeability,the distance from perforation to gas cap or to bottom water and the sensibility of p...

2002 Vol. 24, No. 2

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