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1999 Vol. 21, No. 4

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STRUCTURAL CHARACTERISTICS OF THE MESO-CENOZOIC BASIN AND RANGE PROVINCE IN SOUTHEAST CHINA
XU Han-lin, SHEN Yang, DING Xiao, XU Jia-wei
1999, 21(4): 285-290. doi: 10.11781/sysydz199904285
Abstract(909) PDF-CN(406)
Abstract:
Basin and range structure developed during the Meso-Cenozoic period in Southeast China was controlled by those pre-existed fault systems.There are three fault systems in the area with NNE-NE, nearly E-W, NW strikes.Based on the characteristics of the basins, there are three types of basins in the ar...
THE DIAGENETIC EVOLUTIVE LAW OF DEEP BURIAL STRATA AT SHAHEJIE FORMATION IN EASTERN AND WESTERN DEPRESSIONS OF LIAOHE OIL FIELD
YU Xing-he, ZHANG Dao-jian, LI Sheng-li, LEI Ming, GAO Jian-jun, SUN Hong-bin, MENG Wei-gong
1999, 21(4): 291-296. doi: 10.11781/sysydz199904291
Abstract(876) PDF-CN(459)
Abstract:
The development of secondary porosity of sandstones has evidence law at deep burial strata of Shahejie Formation in eastern and western depressions of Liaohe oil field. The eastern depression has three secondary porosity zones in vertical, but western only two. The secondary porosity zone of the sec...
PETROLEUM GEOLOGY AND EXPLORATION PROSPECT OF　LEIDONG DEPRESSION IN SOUTH CHINA SEA
YANG Mu-zhuang
1999, 21(4): 297-301. doi: 10.11781/sysydz199904297
Abstract(970) PDF-CN(375)
Abstract:
Leidong depression is situated in the stable, isolated, close and high geothermal geological setting, with fairly good source rocks, reservoirs, traps and cap rocks. The hydrocarbon was in favor of generation, gathering and preservation. The total hydrocarbon producted is *-**×108t, the total gather...
TRAP TYPES AND THEIR GENESIS ANALYSES OF WAN’AN BASIN IN SOUTH CHINA SEA
LIU Bao-ming
1999, 21(4): 302-306. doi: 10.11781/sysydz199904302
Abstract(719) PDF-CN(322)
Abstract:
Five types of traps, including compressional, extensional, shearing, gravitative and strata-litholoical types, were divided on studying the feature of different tectonic movements, seismic sequences and depositional property in Wan'an Basin. The author have simulatesd their evolution relationship ba...
ANALYSIS ON THE POOL-FORMING CONDITIONS OF NATURAL GAS ACCUMULATIONS IN THE KUQA DEPRESSION
ZHAO Lin, QIN Sheng-fei
1999, 21(4): 307-310. doi: 10.11781/sysydz199904307
Abstract(919) PDF-CN(279)
Abstract:
By comprehensive analysis on the characteristics of petroleum geology in the Kuqa Depression in this paper, it is pointed out that the Kuqa Depression has good pool-forming conditions for natural gas. The Kuqa Depression is rich in gas sources, and has favorable gas-source conditions to form giant g...
RESERVIOR CHARACTERISTICS OF YAKELA BLOCK IN THE NORTHERN TARIM BASIN
WANG Mei-ling, ZHAO Ao-shan, LU Yuan-e
1999, 21(4): 311-315. doi: 10.11781/sysydz199904311
Abstract(649) PDF-CN(348)
Abstract:
There are two kinds of reserviors consisting of clastics and carbonates in Yakela Black. Reser-viors in the Lower Paleozoic are dominated by carbonate rocks with fracture as storing space, which are favorable for hydrocarbon accumulation. Clastic reserviors were developed in the Lower Carboniferous,...
RULES OF TRAP TYPES AND SPACE ASSEMBLAGES IN THE AIXIEKE-SANGTAMU HYDROCARBON ZONE OF THE TARIM BASIN, XINJIANG
YUE Jian-hua, KANG Zhi-hong, HAN Yan-ying
1999, 21(4): 316-319. doi: 10.11781/sysydz199904316
Abstract(756) PDF-CN(333)
Abstract:
In the Ai-Sang zone, traps of various types are well developed. Main trap types include fault anticlines, block buried hills, salt diapirism anticlines, low-extent compressive anticlines and nontectonic traps. Among them, the traps related to rock body occupy an important position. The Late Hercynia...
GENESIS AND SIGNIFICANCE OF LOW-RESISTIVITY RESERVOIRS IN THE TRIASSIC OIL AND GAS ACCUMULATIONS OF TAHE OIL FIELD IN THE TARIM BASIN
LI Guo-zheng
1999, 21(4): 320-323. doi: 10.11781/sysydz199904320
Abstract(734) PDF-CN(343)
Abstract:
The Triassic productive intervals of oil and gas in Tahe oil field belong to low-resistivity reservoirs.According to the study of logging,geological,testing and analytical data,it is considered that lithology,mineralization degree,pore structure,bound water content,conductive mineral,interstitial (c...
A PRELIMINARY APPROACH TO THE CLASSIFICATION OF OIL AND GAS RESERVOIRS IN IGNEOUS ROCKS
XIAO Shang-bin, JIANG Zai-xing, CAO Ying-chang, QIU Long-wei
1999, 21(4): 324-327. doi: 10.11781/sysydz199904324
Abstract(718) PDF-CN(457)
Abstract:
Based on the study of characteristics for the Cenozoic igneous rock distribution and discovered oil and gas reservoirs in igneous rocks in the Bohaiwan Basin and according to the analysis of features for tectonic evolution, igneous rock distribution and magmatic activity in this paper, the history o...
KINETIC CHARACTERISTICS OF HYDROCARBON GENERATION ON THE PALEOZOIC COAL IN THE EAST MARGIN OF THE ORDOS BASIN
TANG Da-zhen, LIN Shan-yuan, WANG Ji-liu, LIU Da-meng
1999, 21(4): 328-335. doi: 10.11781/sysydz199904328
Abstract(608) PDF-CN(418)
Abstract:
Based on the variation of kinetic parameters such as average apparent kinetic energy, maximum ratio of hydrocarbon generation and its corresponding main kinetic energy, main interval of hydrocarbon generation,combined with analysis of coal metamorphic process, several evident stages during a pyrogen...
SYNTHETIC EVALUATION OF SOURCE ROCKS IN SOUTHWEST DEPRESSION OF THE TARIM BASIN
DING Yong, GONG Ji-ping, WANG Hui
1999, 21(4): 336-339. doi: 10.11781/sysydz199904336
Abstract(754) PDF-CN(368)
Abstract:
There mainly are 5 series of source rocks, including horizons in Upper Tertiary, Upper Cretaceous-Lower Tertiary, Middle-Lower Jurassic, Permo-Carboniferous and Cambrian-Ordovician, in Southwest Depression of the Tarim Basin. The depocenter of Cambrian-Ordovician lay in Awati sag and Tanggubasi sag,...
CHARACTERISTICS OF SOURCE ROCKS AND RESOURCE PROSPECT IN THE LUNPOLA BASIN, TIBET
GU Yi, SHAO Zhi-bing, YE De-liao, ZHANG Xiao-ying, LU Ya-ping
1999, 21(4): 340-345. doi: 10.11781/sysydz199904340
Abstract(773) PDF-CN(341)
Abstract:
The source rocks of the Lunpola Basin were developed in the Tertiary Niubao formation and mainly in N-2 and lower N-3 members and some in upper N-3 member of the formation. Distribution of source rocks was controlled by sedimentary facies with deep- and subdeep-lake facies were their major developin...
PRINCIPLE AND APPLICATION OF ESTIMATION ON THE DISTRIBUTION OF A SET OF SUBSURFACE FRACTURES BY CORE DATA
YIN Zhong-min, SHAN Ye-hua
1999, 21(4): 346-351. doi: 10.11781/sysydz199904346
Abstract(750) PDF-CN(261)
Abstract:
A new method to estimate the distribution of a set of subsurface fractures by core data is suggested in this paper.In order to find out optimum distribution of fractures with a given distributive pattern,the pattern must be known in advance.When estimating the distribution of generally undetermined ...
AN APPROACH TO THE SIMULATION EXPERIMENT OF HYDROCARBON GENERATION AND MIGRATION
CHEN Qiang-lu, LIU Yi, ZHU Mei-qian
1999, 21(4): 352-356. doi: 10.11781/sysydz199904352
Abstract(733) PDF-CN(308)
Abstract:
In this paper, the process of hydrocarbon generation and evolution in the four thermal evolutionary stages (low-mature, mature, high-mature, overmature) of geohistory is simulated by selecting low-mature hydrocarbon source rocks and using the method in which hydrocarbons are generated from artificia...
STUDYING ON THE SIMULATION MODEL OF STAGE-BY-STAGE HYDROCARBON EXPULSION
ZHANG Wei-hua, CHEN Rong-shu, CHEN Xi-feng, TANG Jin-liang
1999, 21(4): 357-363. doi: 10.11781/sysydz199904357
Abstract(647) PDF-CN(306)
Abstract:
A new-type practical hydrocarbon-expulsion model is suggested in this paper. According to this model, hydrocarbon expulsion can be divided into monofactor and bifactor two stages. During the monofactor hydrocarbon-expulsion stage, oil saturation is the only controling factor to the expulsion of hydr...
ESTIMATION OF LIGHT COMPONENT LOSSES DURING THE FORMATION OF HEAVY CRUDE OIL IN THE TARIM BASIN
RAO Dan, LIU Yi
1999, 21(4): 364-368. doi: 10.11781/sysydz199904364
Abstract(645) PDF-CN(296)
Abstract:
Various kinds of heavy crude oil is widespread in the Tarim Basin, especially in marine oxidized residual oceans where its distribution is to a considerable scale. In this paper,geochemical indexes are used to estimate the percentage of crude oil losses so as to find out about the accumulation scale...
A NEW FORMULA FOR FORMATION GRAIN DENSITY
LI Shao-hu, WU Chong-long, MAO Xiao-ping, ZHANG Qiong-yan
1999, 21(4): 369-371. doi: 10.11781/sysydz199904369
Abstract(1117) PDF-CN(370)
Abstract:
Based on the compaction model of sandstone-mudstone alternating beds, we advance a new formula for formation grain density, which conforms to grain volume and mass balance law. Based on the porosity-depth function and the density-depth function, we can use the new formula to calculate the grain dens...
A NEW METHOD FOR DETERMINING FRACTAL DIMENSION OF PORE STRUCTURE
HE Yan, WU Nian-sheng
1999, 21(4): 372-375. doi: 10.11781/sysydz199904372
Abstract(1279) PDF-CN(500)
Abstract:
There is fractal property in reservior rocks. According to the principle of the fractal geometry, the pore structure can be studied, and the fractal model of the capillary pressure curve and the relative permeability and the pore throat distribution can be set up. But the pore structure can be predi...

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