石油实验地质

THE MESOZOIC FORELAND BASINS IN THE LOWER YANGTZE AREA

YAN Jizhu, YU Kai, ZHAO Shubai, YAO Baiping, LU Huafu

1999, 21(2): 95-99. doi: 10.11781/sysydz199902095

Abstract(926) PDF-CN(478)

Abstract:
Based on seismic sections,wells and surface surveys,the authors concluded that there exist opposite thrusting peripheral foreland basin in the middle and a single thrusting foreland basin in the south of the Lower Yangtze area in the Middle Mesozoic era(about 240～157Ma).The peripheral foreland basin...

APPLICATION OF SEQUENCE STRATIGRAPHY TO THE STUDY OF DIAGENESIS OF SILICICLASTIC ROCK—Take the Lower Tertiary of Ya13-1 gas field as an example

Lu Yongchao, XIANG Caifu, CHEN ping, YE Hongbo

1999, 21(2): 100-103. doi: 10.11781/sysydz199902100

Abstract(776) PDF-CN(389)

Abstract:
On the basis of comprehensive study of the single well section and the sequence analysis of the link-well seismic cross-section in Ya13-1 gas field in QDN basin,South China Sea,this paper analyzed the sedimentary and diagenetic marks of various system tracts by combining the sedimentary process anal...

DISCUSSION ON SOME QUESTIONS IN THE APPLICATION OF CONTINENTAL SEQUENCE STRATIGRAPHY

YOU Jun, ZHENG Junmao, WANG Defa

1999, 21(2): 104-109. doi: 10.11781/sysydz199902104

Abstract(825) PDF-CN(422)

Abstract:
Sequence Stratigraphy presents a concept of isochronostratigraphic correlation,that is,stratigraphic correlation under an isochronous framework.This makes stratigraphic correlation have more practical geological meanings.With the introduction of Sequence Stratigraphy into the study of continental se...

SEQUENCE STRATIGRAPHY STUDY OF CARBONATE SLOPE DEPOSIT

QIN Jianxiong, ZENG Yongfu, CHEN Hongde, TIAN Jingchun

1999, 21(2): 110-118. doi: 10.11781/sysydz199902110

Abstract(731) PDF-CN(449)

Abstract:
Study on the Permian Sequence Stratigraphy of the Youjiang Basin reveals that gravity flow develops during every period of eustatic cycles and it displays individual characteristic internal configuration and genetic framework of sequences.Lowstand is characterized by basin margin-downslope miscellan...

SEDIMENTARY SEQUENCE CHARACTERISTICS AND FAVORABLE RESERVOIR FACIES—TRACT PREDICTION FOR THE PENGLAIZHEN FORMATION OF WEST SICHUAN AND ADJACENT AREAS

HE Li, LIU Meiqing, HE Zhiguo, ZHOU Zhijun, ZHANG Shubin

1999, 21(2): 119-127. doi: 10.11781/sysydz199902119

Abstract(694) PDF-CN(392)

Abstract:
The Penglaizhen Formation in West Sichuan and adjacent areas is thick over 950-1600m,which was deposited during the wilting period of the Jurassic lake basins.Based on the combined demarcation of sequence interfaces and maximum transgressive interfaces,Ⅲ₃ and Ⅲ₄ two sets of sedimentary sequences are...

SIMPLE ANALYSIS ON THE EFFECTIVENESS OF THE MIDDLE AND LATE　YANSHANIAN TECTONIC TRAPS IN THE WEST SICHUAN DEPRESSION

YUE Dongming, WANG Xin

1999, 21(2): 128-131. doi: 10.11781/sysydz199902128

Abstract(707) PDF-CN(394)

Abstract:
The tight sandstone tracts of the West Sichuan Depression are rich in natural gas resources.Exploration reveals that there are 16 sets of gas-bearing assemblages composed of 40 gas layers in K₁-T3x² formations at the depth from 200m to 4500m.The gas layers are scattered and overlapped,and connect in...

THE GEOLOGICAL STRUCTURE, FORMATION OF PETROLEUM POOLS AND　HYDROCARBON EXPLORATION IN LUNNAN-AKEKULE AREA OF THE TARIM BASIN

FAN Xiaolin, QIU Yunyu, BAO Xinyi

1999, 21(2): 132-136. doi: 10.11781/sysydz199902132

Abstract(760) PDF-CN(377)

Abstract:
Based on study of seismic-geological sections,well data and analysis of organic geochemistry of formation water in Lunnan-Akekule area of the Tarim Basin,the geological structure and formation of hydrocarbon pools were indicated.Combining with development history of basinal tectonics,it was pointed ...

EFFECTIVENESS OF NATURAL GAS SEALS IN THE WESTERN PART OF THE　SOUTHERN FRINGE OF THE JUNGGAR BASIN

FANG Dequan, SONG Yan, XIA Xinyu

1999, 21(2): 138-140. doi: 10.11781/sysydz199902138

Abstract(630) PDF-CN(351)

Abstract:
Based on the restoration of the paleo-burial history and paleo-anormalous pressure of natural gas seals,the effectiveness of natural gas seals in western part of the southern fringe of the Junggar Basin has been evaluated combined with the hydrocarbon-generating and hydrocarbon-discharging time of m...

DYNAMIC VARIATION OF RESERVOIR IN WATERFLOODING DEVELOPMENT IN NO.12 FAULT BLOCK, HUZHUANGJI OILFIELD

CHEN Ling, WU Shenghe, LIU Yuhong

1999, 21(2): 142-145. doi: 10.11781/sysydz199902142

Abstract(628) PDF-CN(383)

Abstract:
Reservoir properties have greatly changed in No.12 fault-block,Huzhuangji oilfield after the oilfield has been developed by waterflooding for about ten years.In this paper,two adjacent cored wells(Hu12-20 and HJ1),drilled at the pre-and post-waterflooding,are selected as "research window".Dynamic va...

THE CALCULATION AND REPRESENTATIVE ANALYSIS OF PERMEABILITY HETEROGENEOUS PARAMETERS

YIN Shoupeng

1999, 21(2): 147-149. doi: 10.11781/sysydz199902147

Abstract(843) PDF-CN(618)

Abstract:
Permeability is one of the most important parameters affecting reservoir physcical properties.This paper,based on the study of reservoir heterogeneity parameters home and abroad,gave a systematic analysis of various heterogeneous parameters,including the plane distribution features,probability distr...

CHARACTERISTICS AND FORMATION CONDITIONS OF HYDROGEN-RICH COAL IN FUSHUN BASIN

ZHUANG Xinguo, LI Sitian, WANG Shenwei

1999, 21(2): 151-155. doi: 10.11781/sysydz199902151

Abstract(1156) PDF-CN(580)

Abstract:
On the base of systematic field works and analysis of test in laboratory,this study summarized characteristics of petrography,organic geochemistry and hydro-liquefaction of hydrogen-rich coal in Fushun Basin,and made an inquiry into formation conditions of hydrogen-rich coal.The lithofacies types of...

STUDY ON THE APPLICATION OF THE NEURAL NETWORK EXPERT SYSTEM TO THE PREDICTION OF DAILY OUTPUT PER WELL

PENG Dunlu, XU Shijin, WANG Rucheng, GUO Yangjun

1999, 21(2): 156-160. doi: 10.11781/sysydz199902156

Abstract(809) PDF-CN(339)

Abstract:
This paper gives an overall discussion on the Neural Network Expert System and its development steps.Taking the reservoir and crude oil parameters and daily output per well for 10 available oil wells in Shengli-Fanjia oil field for example,the Neural Network Expert System developed has been used suc...

A METHODOLOGICAL APPROACH FOR RESERVOIR HETEROGENEITY CHAR ACTERIZATION OF QIULIN OIL FIELD USING ARTIFICAL NEURAL NETWORKS

XIE Congjiao, GUAN Zhenliang

1999, 21(2): 161-165. doi: 10.11781/sysydz199902161

Abstract(602) PDF-CN(264)

Abstract:
Porosity and permeability are the best show of reservoir heterogeneity which is because of the heterogeneity and nonliner spatical distribution of the rocks.In recent years,there is a wide application of ANN in reservoir description and more application can be found in using ANN to choose exact rese...

APPLICATION OF ARTIFICIAL NEURAL NETWORKS TO RESERVOIR DESCRIPTION

QIU Liwei, KANG Zhijiang

1999, 21(2): 166-169. doi: 10.11781/sysydz199902166

Abstract(712) PDF-CN(322)

Abstract:
The normal logging explaination methods based on experience formulas and the linear hypothesis show lower accuracy and successful rate.The artificial neural networks technique can adapt itself,learn itself.It has well prospect in logging explaination.This paper provides a case to illustrate the adva...

APPLICATION OF FUZZY CLASSIFICATION METHOD BASED ON GENETIC ALGORITHM TO THE IDENTIFICATION OF CRUDE OIL NATURE

CHEN Feng, HU Shangxu, YU Menhuai

1999, 21(2): 170-174. doi: 10.11781/sysydz199902170

Abstract(705) PDF-CN(410)

Abstract:
In this paper,Fuzzy Pattern Classification Method based on Genetic Algorithm(GA)is proposed.It's used to the identification of crude oil nature in the Tarim Basin.The clustering center and weight vector are determined with GA and the degree of compatibility of every crude oil sample is determined to...

STUDY ON THE THERMAL SIMULATION EXPERIMENT OF D-BACTERIODECOMPOSED AMORPHOUS SOLID AND B-MICRINITE

DING Anna, XIA Yanqing, TUO Jincai, HUI Rongyao

1999, 21(2): 175-179. doi: 10.11781/sysydz199902175

Abstract(735) PDF-CN(238)

Abstract:
By the method of the Rapid Thermal Simulation Experiment,kerogen samples with the D-bacteriodecomposed amorphous solid and B-micrinite contents of 76.50%－93.88% are conducted the experiment.And their hydrocarbon-generating mechanism of thermal evolution and their contribution to hydrocarbon formatio...

STUDY ON THE THERMAL EVOLUTION OF OIL SOURCE ROCKS IN THE JINHU DEPRESSION OF NORTH JIANGSU PROVINCE

LU Dongsheng, XUE Jianhua

1999, 21(2): 180-183. doi: 10.11781/sysydz199902180

Abstract(732) PDF-CN(252)

Abstract:
The Stratigraphic Compaction Correlation Method is used in this paper to restore the burial history of strata and oil source rocks for different blocks of the Jinhu Depression.According to the relationship of vitrinite reflectance to paleo-geotemperature,the paleo-geotemperature and paleo-geothermal...

ANALYSIS OF WHIRL THIN LAYER CHROMATOGRAPHY FOR GROUP COMPOSITION OF CRUDE OIL AND SOURCE ROCKS

BIE Daozhe, CAO Jiangping, ZHEN Lunju

1999, 21(2): 185-187. doi: 10.11781/sysydz199902185

Abstract(677) PDF-CN(427)

Abstract:
The whirl thin layer chromatography is a quick and effective method for separation of group composition of crude oil and chloroform bitumen "A" of source rocks in separation and purification of organic compound.It is characterized by smaller sample,higher recovery rate,better separation and easier s...

1999 Vol. 21, No. 2

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