石油实验地质

A VIEW ON TECTONICS OF PALEOZOIC BASINS OF THE YANGTZE REGION AND ITS IMPLICATION OF HYDROCARBONS

Zhang Yuchang, Qin Deyu, Ding Daogui, Lu Guoxing, Shan Xianglin, Xu Xuhui

1989, 11(3): 205-218. doi: 10.11781/sysydz198903205

Abstract(615) PDF-CN(356)

Abstract:
Regional investigation shows that the evolution of the Paleozoic basins on the Yangtze Craton experienced a primary extensional rifting in which smaller collage blocks with a great mobility and inhomogeneity were assembled during the end of middle Proterozoic and then the Paleozoic basins began to b...

STUDY OF SOURCE ROCKS IN AND AROUND NORTH TARIM UPLIFT WITH THE GEOLOGICAL THEORY OF HYDROCARBON BEARING BASIN

Gan Kewen

1989, 11(3): 219-227. doi: 10.11781/sysydz198903219

Abstract(644) PDF-CN(261)

Abstract:
There have been different opinions on source rocks since the oil discovery of Shacan No.2 well in north Tarim. The author considers that the problem can never be solved if different analytical indices are taken for a single crude oil. With the geological concept of hydrocarbon bearing basin, conside...

ON THE ACCUMULATION AMOUNT

Sheng Zhiwei

1989, 11(3): 228-233. doi: 10.11781/sysydz198903228

Abstract(587) PDF-CN(304)

Abstract:
The concept of the accumulation amount is briefly introduced. Attention is paid to discussing three different views on accumulation coefficient. It is considered that the coefficient should be equivalent to the percentage of the accumulation amount of oil and gas relative to the volume of primary mi...

FORMATIVE TYPES OF LITHOLOGICAL GAS POOLS IN CARBONIFEROUS CARBONATES IN EASTERN SICHUAN

Chen Zongqing

1989, 11(3): 234-240. doi: 10.11781/sysydz198903234

Abstract(637) PDF-CN(313)

Abstract:
The relations among the lithology, rock fades and porosity, as well as the factors controlling the formation of lithological traps in Huanglong Formation, Carboniferous system, Eastern Sichuan were analysed. Three types of lithological traps of carbonates in the area were suggested, i.e. sedimentary...

DISCUSSION ON OCCURENCE AND ABUNDANCE OF ORGANIC CARBON OF THE ORDOVICIAN--SILURIAN DARK CLAYSTONE, SOUTHERN ANHUI

Yang Changgeng, Zhu Peijun, Ge Wanxing

1989, 11(3): 241-244. doi: 10.11781/sysydz198903241

Abstract(664) PDF-CN(332)

Abstract:
In order to properly evaluate the oil potential in overmature areas, microscopic observations are made on Ordovician-Silurian dark claystones. It is considered that there are secondary asphalts in overmature claystones. The content of asphalts should be excluded from the analytical data of organic c...

APPROACH ON THE METHOD FOR RESTORATION OF ORIGINAL SEDIMENTARY BOUNDARIES OF THE CRETACEOUS DEFORMED BASIN IN JIOUXI AREA

Wan JingPin, Ma Lixiang, Zhou ZongLiang

1989, 11(3): 245-249. doi: 10.11781/sysydz198903245

Abstract(668) PDF-CN(289)

Abstract:
On the basis of the principles of sedimentology, using the data of field measurements on the diameters of gravels of different facies in modern diluvial fans in the areas of Changma and Kuantai on Hexi Corridor, and the statistical data for the trend of thickness variation of sandy conglomerates in ...

DISCUSSION ON THE GROWTH INDEX OF FAULT

Zhao Mengwei

1989, 11(3): 250-254. doi: 10.11781/sysydz198903250

Abstract(1010) PDF-CN(395)

Abstract:
The growth index of a fault is related not only to its speed of activity but also to the deposition rate which has been neglected foralong time. The duration of sedimentation has to be established in order to evaluate the sedi-mentary rate. Hower, the speed of activity ofafault can be directly abtai...

DETERMINATIONS OF ARITHMETICALLY AVERAGED MOLECULAR WEIGHT OF HEAVY CRUDE OIL AND ITS COMPONENTS AND THEIR GEOCHEMICAL SIGNIFICANCE

Tang Liping, Yang Zhiqiong

1989, 11(3): 255-263. doi: 10.11781/sysydz198903255

Abstract(987) PDF-CN(384)

Abstract:
The arithmetically averaged melocular weights of certain heavy crude oils of continental facies and their components were determined using VPO method, which provided important parameters of chemical structure for hydrocarbons. The results show that the arithmetically averaged melocular weights of co...

STUDY OF CONTINUOUS EXTRACTION OF BITUMEN A WITH CHLOROFORM

Yu Zhiqing

1989, 11(3): 264-268. doi: 10.11781/sysydz198903264

Abstract(724) PDF-CN(245)

Abstract:
In view of problems with Soxhlet extraction for soluble organic matter in rocks, improvements were made on Soxhlet extractors. The discontinuous extraction of Soxhlet method on rocks with solvent is changed into continuous extraction of rocks with solvent. Experiments show that the extracted amounts...

DIRECT MEASUREMENT OF OIL IMMERION REFLECTANCE ON MACERALS

Liu Congbao

1989, 11(3): 269-272. doi: 10.11781/sysydz198903269

Abstract(612) PDF-CN(209)

Abstract:
Oil immersion reflectance of macerals is measured, home and abroad, all alike, with immersion oil at Ne²³=1.5180; otherwise the values abtained must be corrected, which is subject to complicate procedures and time-consuming. Based on the relationships of working electric current and voltage with the...

WATER SATURATION OF THE PAYS IN MENGGULIN BRECCIA OF ERLIAN BASIN

Yu Jiaren

1989, 11(3): 273-276. doi: 10.11781/sysydz198903273

Abstract(645) PDF-CN(321)

Abstract:
With the analytical data on rock samples recovered by drilling mud with oil matrix, water saturation of the pays in Menggulin Breccia was evaluated. Volcanic breccia is highly water-saturated due to its fine pore geometry and poor physical properties; while gravelly sandstones and sandy conglomerate...

APPLICATION OF LIGHT PEN IMAGE ANALYSIS SYSTEM WITH MICRO-COMPUTER WJGT SERIES TO MEASUREMENTS OF PARTICLE SIZES ON THIN SECTIONS

You Xiuling

1989, 11(3): 277-283. doi: 10.11781/sysydz198903277

Abstract(642) PDF-CN(210)

Abstract:
Since the establishment of light pen-image analysing system, the per-sonnel involved in rock and mineral analysis have been extricated from large amount of statistical and complex computation, and the efficiency and quality of the measurement of particle size have been greatly improved. In order to ...

A WAY TO INCREASE THE RELIABILITY OF ESTIMATION

Hu Guiming

1989, 11(3): 284-290. doi: 10.11781/sysydz198903284

Abstract(1157) PDF-CN(236)

Abstract:
One of the basic problems of quantification in geoscience is uncertainty. Based on the concept of probability, the possible value for a variable is pro-posed with the estimation of a single value replaced by probability distribution. The reliability of estimating parameters is further discussed. The...

SYMBIOSIS ON MIXOBIOSIS

He Ruchang

1989, 11(3): 291-300. doi: 10.11781/sysydz198903291

Abstract(682) PDF-CN(205)

Abstract:
The paper is the sequel of the article of "Mixobiosis".The author attempts to discuss the age of Shanxi Formation with the data of sporopollen from the two wells (No.32 and No.29) in Guan Zigou region, Inner Monglia, and continue the discussion on the problems such as index fossils, annihilation of ...

1989 Vol. 11, No. 3

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