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1997 Vol. 19, No. 3

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THE CHIMNEY EFFECTS OF HYDROCARBON ACTIVITY
Wang Jinqi
1997, 19(3): 193-200. doi: 10.11781/sysydz199703193
Abstract(754) PDF-CN(395)
Abstract:
When a deep-seated hydrocarbon accumulation had formed in a structurally active area,the hydrocarbons will migrate vertically up through a fault or a fracture,the major part of which was apt to lose to the surface,but the minor part was cut off by the caprocks to form into various shallower secondar...
A STUDY ON THE HETEROGENEITY OF SAND BODY RESERVOIRS IN TRIASSIC BRAIDED DELTA, NORTHERN TARIM BASIN──EXEMPLIFIED BY AKEKULE──DALIYA REGION
Zhang Ximing, Wang Shuyi
1997, 19(3): 201-208. doi: 10.11781/sysydz199703201
Abstract(666) PDF-CN(307)
Abstract:
The Sand body of Triassic braided delta in northwest Tarim basin is one of the major hosting reservoirs of oil/gas pools in this area,which can be divided into a frontal subfacies and plain subfacies according to their depositional features.Based on the analogy of typical sections in field and detai...
CONTROLLING FACTORS OF THE DISTRIBUTION OF CONVENTIONAL CRUDES IN NORTHERN TARIM BASIN
Zhai Xiaoxian, Chen Zhengfu
1997, 19(3): 209-214. doi: 10.11781/sysydz199703209
Abstract(677) PDF-CN(235)
Abstract:
Based on the characteristics of oil/gas occurrence and its genetic mechanism,the paper detailed the controlling factors of the distribution of conventional crudes.It is suggested that conventional crudes are mainly controlled by the following factors,including time of pool-formation,oil/gas source a...
GEOCHEMICAL CHARACTERISTICS ANE GENETIC ANALYSIS OF CO2 FIELDS(POOLS) IN EAST CHINA
Li Xianqi, Dai Jinxing
1997, 19(3): 215-221. doi: 10.11781/sysydz199703215
Abstract(919) PDF-CN(229)
Abstract:
Numerous CO2 fields(pools) of inorganic origin are discovered in east China.Usually their CO2 contents exceed 6O%,and alkane gas contents are lower than 1O%.After an analysis of geochemical parameter s i.e.carbon isotopic composition and R/Ra value of CO2,etc,plus a combination of the geological fea...
MANIFESTATION OF MULTISTAGE EPISODIC RIFTING──TAKE WESTERN PEARL RIVER MOUTH BASIN AND ITS PERIPHERAL AREA AS AN EXAMPLE
Jiao Yangquan, Li Sitian, Xie Xinong, Ren Jianye
1997, 19(3): 222-227. doi: 10.11781/sysydz199703222
Abstract(758) PDF-CN(365)
Abstract:
Multistage episodic rifting refers to episodic and pulsed processes of tectonics occurred during a rift basin evolution.And its process usually matched the deformation of tectonic framework,the episodes of tectonic subsidence,magmatism and sedimentary filling in a rift basin,which were actually the ...
AN APPROACH TO THE DIAGENESIS OF RESERVOIR SANDSTONES FROM JURASSIC-CRETACEOUS IN JIANGSU REGION
Lu Hong
1997, 19(3): 228-233. doi: 10.11781/sysydz199703228
Abstract(740) PDF-CN(351)
Abstract:
With numerous observations on thin sections of rocks and core casts from drillings,and the application of various analytical techniques including cathodoluminescence,scanning electron microscope and X ray diffraction,the paper made a detailed study on the diagenesis,pore evolution and the characteri...
1997, 19(3): 233-233. doi: 10.11781/sysydz199703233
Abstract(580) PDF-CN(218)
Abstract:
DISTRIBUTIVE CHARACTERS OF HYDROCARBONS IN WAN’AN BASIN, SOUTHWEST CHINA SEA
Jin Qinghuan, Liu Baoming
1997, 19(3): 234-239. doi: 10.11781/sysydz199703234
Abstract(734) PDF-CN(492)
Abstract:
The authors analysed the regional geology,sedimentation,and the geologic conditions of petroleum,and their relationships with the evolution of hydrocarbon source rocks,based on the data collection from the petroleum exploration and seismic survey of Wan'an Basin,southwest China Sea,over the recent d...
DECISION ANALYSIS OF THE EXPLORATION OF KUIHUADAO STRUCTURE IN EAST DEPRESSION, LIAOHE BASIN
Xu Xianghua, Li Shusen, Li Yuzhan
1997, 19(3): 240-244. doi: 10.11781/sysydz199703240
Abstract(773) PDF-CN(196)
Abstract:
The exploratory decision analyses based on a prediction of the petroliferousness in traps,the study of the performance parameters in the process of oil/gas discovery involved in different exploration programmes and finally to make a most satisfactory choice among various exploration programmes,const...
GEOSTATISTICS APPLIED TO THE IDENTIFICATION OF INTERBEDS, WITH SHA-3 MEMBER OF WESTERN LIAOHE DEPRESSION TAKEN AS AN EXAMPLE
Lin Chengyan, Hou Lianhua, Dong Chunmei, Zhang Jie
1997, 19(3): 245-251. doi: 10.11781/sysydz199703245
Abstract(772) PDF-CN(343)
Abstract:
Taking Sha-3 member of western Liaohe depression as an example,on the basis of characteristics of time and spatial distributions for the reservoirs,insulating and interbeds in the turbidite sedimentary system,the conditional stochastic simulation method of geostatistics is applied to predict the spa...
SEQUENCE STRATIGRAPHY ON NEOPROTEROZOIC OUTCROPS, IN NORTHWEST HUNAN, SOUTH CHINA
Yin Yong, Fan Xiaolin, Gao Changlin, Zhang Linghua
1997, 19(3): 252-260. doi: 10.11781/sysydz199703252
Abstract(862) PDF-CN(233)
Abstract:
The Neoproterozoic successions in northwest Hunan,South China belong to a stable sedimentary region of paleo-continental margin along the southeast border of Yangtze platform.The paper deals with the sequence stratigraphy on Neoproterozoic (1000-57OMa) outcrops in the area.Adopting a dividing plan o...
APPLICATION OF SEISMIC VELOCITY TO THE EXPLORATION OF SHALLOW GAS
He Li, Liu Meiqing, Yu Xiaofeng
1997, 19(3): 261-266. doi: 10.11781/sysydz199703261
Abstract(806) PDF-CN(216)
Abstract:
Commercial oil/gas reservoir determined by the well drilling and seismic channels across the well are used to prepare combined records which are plotted on the seismic profile;then using a recursion formula for the seismic velocity spectrum and interval velocity,the velocity values having the same t...
PLOTTING OF SEDIMENTARY MICROFACIES IN FIFTH-CLASS BOUNDARY SURFACE SEQUENCE, ITS SIGNIFICANCE AND PRACTICE IN OIL FIELDS
Ma Lixiang
1997, 19(3): 267-273. doi: 10.11781/sysydz199703267
Abstract(812) PDF-CN(334)
Abstract:
Three advances on the contemporary petroleum geology are remarkable,i.e.sequence stratigraphy,3-D reservoir architecture and oil /gas detection.The paper reviews the significance and practicable way of plotting with sedimentary microfacies in fifth-class boundary surface sequence in a oilfield scale...
STUDY OF ANAEROBIC BIO-DEGRADATION OF COAL
Li Mingzhai, Zhang Hongnian, Zhang Hui Deng, Yu Lian Liwen, Yin Xiaobo
1997, 19(3): 274-277. doi: 10.11781/sysydz199703274
Abstract(809) PDF-CN(319)
Abstract:
Over a long period of time,whether coal can be degradated by anaerobic microorganism into gas,has been a controversy concerning geology,method and technique in geoscience.The paper deals with this subject based on the simulation experiments on biogas.It is proved that coal can be degraded by anaerob...
A PRELIMINARY APPROACH TO THE SET-UP OF A DATA BASE
Zhang Zukui, Liu Bin
1997, 19(3): 278-282. doi: 10.11781/sysydz199703278
Abstract(713) PDF-CN(299)
Abstract:
Three basic processes are required to set up a practical application system,i.e.the designings of concept structure,normalized structure and programs.They usually take concerted actions,and condition and complement each other.The paper described the preparation of the code standard file,the designin...
CHARACTERISTICS OF HYDROPYROLYSIS OF PALAEOZOIC IMMATURE ALGAL KEROGEN
Gao Gang, Gang Wenzhe, Wang Feiyu, Hao Shisheng
1997, 19(3): 283-288. doi: 10.11781/sysydz199703283
Abstract(729) PDF-CN(202)
Abstract:
Through a study of hydropyrolytic process on oil shale samples colleced from Kukesait,Estonia,the characteristics of oil/gas generation from immature algal kerogen are approached in this paper.It is concluded that although it does show a quite high potential of hydrocarbon generation as seen by an a...
ON THE SEPARATION OF ORGANIC MACERAL DURING THERMAL SIMULATION OF HYDROCARBONS FROM COAL
Tu Jianqi, Jin Kuili
1997, 19(3): 289-291. doi: 10.11781/sysydz199703289
Abstract(772) PDF-CN(306)
Abstract:
In view of the demand from thermal simulations from coal,the paper detailed the method and process of the centrifugal separation of organic mono-maceral by using ZY-1 inorganic heavy liquid.Three steps are involved with the process of separation and enrichment:selection of grain size for sample crus...
TECHNIQUE OF MICROBIOLOGICAL PETROLEUM EXPLORATION AND ITS RESULTS OF APPLICATION IN EAST CHINA SEA
Zhang Jianpei, Shen Zurong, Wang Fei, Xi Minhong
1997, 19(3): 292-295. doi: 10.11781/sysydz199703292
Abstract(674) PDF-CN(362)
Abstract:
The technique of petroleum exploration based on microbiology is illustrated in this paper,which is applied to actual petroleum geochemical exploration in the known and unknown areas in Xihu sag,east China Sen.The anomaly of hydrocarbon-digesting bacteria in sediments can effectively indicate and pre...

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