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1987 Vol. 9, No. 4

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PRINCIPAL FEATURES OF PERMIAN REEF IN LENGWU AREA, ZHEJIANG PROVINCE
Wang Wenyao
1987, 9(4): 299-304. doi: 10.11781/sysydz198704299
Abstract(708) PDF-CN(306)
Abstract:
The knoll reef in Lengwu Area composes of sponges and belongs to Lengwu Formation,Maokou Stage of Lower Permian.Up to the present,it is the only one reef discovered in the carbonate strata of Lower Yangtze River Area.The thickness of the crop-out reef is over 60 m with the area less than 1 Km2.The r...
THE FORMATION, EVOLUTION OF MESO-CENOZOIC BASINS AND THEIR RELATIONSHIP TO OIL/GAS IN LINQING REGION
Long Hanchun
1987, 9(4): 305-313. doi: 10.11781/sysydz198704305
Abstract(682) PDF-CN(269)
Abstract:
Linqing Region was experienced transformation from platform to Diwa(geodepression)stages during the period from Late Triassic to Early Jurassic.Severe extensions and faultdown took place during Jurassic-Early Cretace-ous and Paleogene,respectively.Thereafter,the two cycles of Mesozoic and Cenozoic D...
CO2 SUPERCRITICAL EXTRACTON AND SEPARATION OF HYDROCARBONS
Li Zhi, Zhu Meiqian, Liu Bing, Mao Hongyi
1987, 9(4): 314-320. doi: 10.11781/sysydz198704314
Abstract(626) PDF-CN(243)
Abstract:
A series of supercritical extraction experiments on rocks using CO2 were carried out.The result was compared with chloroform extraction.70% of saturated hydrocarbons in rocks could be extracted out in 4 hours,and more than 90% of the extracts composed of saturated hydrocarbons,which could be directl...
THE FORAMINIFERA OF QIJIAGOU FOMATION FROM SOUTHERN MARGIN OF JUNGGAR BASIN AND ITS SIGNIFICANCE IN STRATIGRAPHY
Zhu Rong, Lin Jiaxing
1987, 9(4): 321-331. doi: 10.11781/sysydz198704321
Abstract(799) PDF-CN(406)
Abstract:
There are plenty of foraminiferas(both fusulina and non-fusulina)in Upper Carboniferous Qijiagou Formation from the southern margin of Junggar Basin in Xinjiang Province,and the common ones are Palaeotextularidae Te-trataxidae,Endothridae and Fusulinidae,which can be divided into two assemblages bas...
THE CHARACTERISTICS AND DIAGENESIS OF PERMIAN REEF ROCKS IN NANPANJIANG AREA AND THEIR RELATIONSHIP TO OIL/GAS POOLS
Zhao Zeheng, Qi Jinwen, Zhang Xiaolin
1987, 9(4): 332-341. doi: 10.11781/sysydz198704332
Abstract(808) PDF-CN(288)
Abstract:
Based on the geographic location,exposed configuration and the com-plex of the reef body,the reef rocks in Nanpanjiang Area can be divided into three types as platform marginal linear reef,platform marginal horse-shoe reef and patch reef.The principal types of the reef rocks are of framestone,bindst...
CALIBRATION OF ANALYTIC PARAMETERS FOR PYROLYTIC CHROMATOGRAPHY
Wang Anqiao, Zheng Baoming
1987, 9(4): 342-350. doi: 10.11781/sysydz198704342
Abstract(867) PDF-CN(194)
Abstract:
The paper mainly deals with calibration of parameters for pyrolytic chromatography.In actual cases,the authors have selected 61 source rock samples of various types to do simulating experiments,and the parameters obtained from the experiments were compiled to draw a calibration plate for S1 and S2.T...
SURVEY OF THE SUBSTRATE OF TAI—LAKE USING GPY ACOUSTIC METER
Sun Shuncai, Zheng Changsu, Hua Lesun
1987, 9(4): 351-357. doi: 10.11781/sysydz198704351
Abstract(769) PDF-CN(166)
Abstract:
Acoustic meter of Model GPY is a new remote sensing tool which is developed with special regard to the characteristics of the lakes of China.It would quickly give a general idea about the spacial spreading of the strata under the lake.Using it for three times,we made a survey on the sub-strata of Ta...
DISCUSSION ON THE STRESS TRAPS OF OIL/GAS
Qi Lin
1987, 9(4): 358-365. doi: 10.11781/sysydz198704358
Abstract(663) PDF-CN(226)
Abstract:
The main factors of crust deformation are of the changes of stress fields and the geological stress itself.Therefore,the movements of all materials which include oil,gas and water in petroliferous formations and basins are controlled and driven by geological stresses.As the petroliferous formation a...
CHARACTERISTICS OF MASS SPECTROGRAM FOR SEVERAL NOVEL STERANE HOMOLOGUES IN SOURCE ROCKS
Yang Jianqiang
1987, 9(4): 366-373. doi: 10.11781/sysydz198704366
Abstract(618) PDF-CN(196)
Abstract:
Several novel sterane homologues and their isomers were determined,and their mass-spectrographic characteristics are discribed.Here the author believes that the identification of these compounds would be helpful to the researches on the maturity of organic matter in source rock,biodegradation of oil...
SEDIMENTARY CHARATERS OF BRAIDED AND LOW—SINUOSITY STREAMS IN SANDO FORMATION OF LOWER TERTIARY, NORTHERN JIANGSU PROVINCE
Dong Rongxin
1987, 9(4): 374-384. doi: 10.11781/sysydz198704374
Abstract(716) PDF-CN(206)
Abstract:
In the sediments of paieostreams,there are certain amount of rare mineral deposits,such as gold,diamond,uranium,platinum and monazite,etc.and some important oil/gas reservoirs as well.Therefore,it is practi-cally significant to study the ancient fluvial sediments.Up to the present,much analysis have...
PROGRAMMED COMPUTATION OF GC DATA
Yang Chuanzhong
1987, 9(4): 385-386. doi: 10.11781/sysydz198704385
Abstract(864) PDF-CN(196)
Abstract:
Using BASIC language,programmed computation of GC data were made.Chromatographic parameters were calculated with PC-1500 programmable mini-computer.The programmed computation can be used to calculate and plot eight chhromatographic parameters for each sample.This method is quick and accurate,providi...

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