石油实验地质

ANALOGOUS ANALYSIS OF BURIED HILL TRAPS IN THE TARIM AND THE BOHAI BAY BASINS

Gou Huawei, Dong Xiufang, Tian shuyun

1996, 18(3): 229-236. doi: 10.11781/sysydz199603229

Abstract(824) PDF-CN(387)

Abstract:
The buried hills and buried hill traps in the Tarim and the Bobal Bay basins were compared.Basing on results of case studies of buried hill traps of both basins,the traps wereclassified into U-and UT-type ones. Different kinds of traps showed different characteristics and controlled distribution of ...

STRUCTURAL CHARACTERISTICS AND OIL/GASEXPLORATION TARGETS OF DABANCHENGSUB-DEPRESSION OF THE JUGGAR BASIN

Yu Renlian, Yang Shusheng, Zhao Liqun

1996, 18(3): 237-243. doi: 10.11781/sysydz199603237

Abstract(784) PDF-CN(344)

Abstract:
Dabancheng Sub-depression is a secondary structural unit of Chaiwobao depressionof the Juggar basin. Due to influence of the Yanshanian movement, the area wasseverely faulted and six structural belts were formed. Local block anticlines,controlled bythrust faults, were finally in their fixed forms du...

THE CENOZOIC STRUCTURAL EVOLUTION AND ITS RELATIONSHIP WITH OIL AND GAS ACCUMULATIONIN THE SOUTHWESTERN TARIM DEPRESSION

Hu Wangshui, Liu XueFeng, Chen Yusui, Xiao Ancheng, Liu Shengguo

1996, 18(3): 244-251. doi: 10.11781/sysydz199603244

Abstract(891) PDF-CN(331)

Abstract:
The southwestern Tarim depression is a compound foreland depression with a longstructural history during the Cenozoic.It has undergone a relatively tranquil phase of theEarly Tertiary,the important Miocene development phase of structures, the relatively quiet phase of the Pliocence and the formation...

PLATE STRUCTURAL SETTING OF THETRIASSIC-JURASSIC PROVENANCE AND ITSRELATIONSHIP WITH SEDIMENTARY BASIN TYPEIN THE NORTH OF THE TARIM BASIN

Zhang Ximing, Liu Qingfang, Wang Guiquan

1996, 18(3): 252-258. doi: 10.11781/sysydz199603252

Abstract(722) PDF-CN(499)

Abstract:
In the light of systematic study of a large number of sandstone thin-sections from surface exposure and wells, the authors considered that the Kuqa depression in the north ofthe Tarim basin was a foreland basin,and the Awat-Mannaer depression was an intra cratonic downwarped basin. On the basis of a...

THE DISTRIBUTION OF OIL AND GAS FIELDS IN JIYANG DEPRESSION OF THE BOHAI BAY BASIN IN VIEWPOINT OF WAVE-LIKE MOVEMENT

Lü Xiuxiang, Zhang Yiwe, Li Desheng

1996, 18(3): 259-266. doi: 10.11781/sysydz199603259

Abstract(898) PDF-CN(374)

Abstract:
Characteristics of depositional and tectonic activities in Jiyang depression and dustpanshaped structures which were faulted on the northern margin and overlapped on the southern flank showed that mantle plume was migrated in wave-like from south to north. Thatwas verified by tectonophysic modedelli...

THE LUZHOU PALEOHIGH ANDOIL/GAS ACCUMULATION IN SOUTHERN SICHUAN

An Zuoxiang

1996, 18(3): 267-273. doi: 10.11781/sysydz199603267

Abstract(753) PDF-CN(631)

Abstract:
The Luzhou Paleohigh of the Sichuan basin was formed during the Indosinian movement.It controlled gas accumulation in the Permain Yangxin limestones and the TriassicJialingjiang limestones. With regard to present hydrocarbon distribution of the two sequences,they might undergo two times of migration...

THEORETICAL SIMULATION OF EXTENSIONAL BASIN──A CASE STUDY OF THE SONGLIAO BASIN

Liu Cuirong, Chen Fajing

1996, 18(3): 274-282. doi: 10.11781/sysydz199603274

Abstract(781) PDF-CN(334)

Abstract:
Two kinds of theoretical geodynamic models (the uniform extension model and thenon-uniform extension model)of extensional basins were used to simulate the observed tectonic subsidence of the Songliao Basin to discuss the mechanism of extensional basins. Byfitting it with actual measured data,he gene...

THE STRUCTURAL CHARACTERISTICS OFTHE MINHE BASIN

Zhang Huquan, Yang Zhongxuan

1996, 18(3): 283-288. doi: 10.11781/sysydz199603283

Abstract(1037) PDF-CN(258)

Abstract:
Based on analysis of seismic, gravitative and magnetic, and outcrop data, the dualstructures of the Minhe basin were recognized. The basin underwent an early graben stage(before deposition of the Upper Cretaceous) and a later depression stage (after depositionof the Lower Cretaceous). It was an inte...

ORIGIN, DISTRIBUTION AND FORMING CONDITIONSOF SAND-CONGLOMERATE BODIES IN THE AREA 2&3 OFGAOSHENG OILFIELD, THE WESTERN LIAOHE DEPRESSION

Dong Chunmei, Lin Chengyan, Hou Lianhua, Xin Quanlin

1996, 18(3): 289-297. doi: 10.11781/sysydz199603289

Abstract(725) PDF-CN(260)

Abstract:
The Lianhua sandstones 5、6 in areas 2、3 of Gaosheng oilfield in the western Liaohe depression were discussed in this paper. On the basis of study of cores, various geneticcriteria and the quantitative logging information, using method of sedimentary microfaciesfor reservoir development, a braided ch...

LATERAL ACCRETION CROSS-BEDDING：THE MAIN TYPE OF SEDIMENTARYSTRUCTURES IN THE BRAIDED CHANNEL

Li Weifeng, Gao Zhenzhong, Peng Detang

1996, 18(3): 298-302. doi: 10.11781/sysydz199603298

Abstract(1170) PDF-CN(399)

Abstract:
Lateral accretion cross-bedding results from lateral accretion of sand bodies induced bythe lateral migration of channels and is very abundant in the braided channels. Its characteristics are: ① the overall shape of its sets is tabular, but its laminae are sigmoid, clearlyconverging both upward and ...

GENETIC MECHANISM OF ABNORMALFORMATION PRESSURE OF KUIHUADAO STRUCTURE

Li Yuzhan, Wan Zhimin, Yang Huaiyi, Xie Wenyan, Ma Changxin, Li Mingge

1996, 18(3): 303-310. doi: 10.11781/sysydz199603303

Abstract(687) PDF-CN(309)

Abstract:
Overpressure in Shahejie formation of Kuihuadao structure was occurred in the end of deposition of Dongying formation. Closed faults were the first condition for occurrence of overpressure, and continuous accumulation of gas was the important factor for overpressure. And fast deposition of sediments...

DEPOSITIONAL ENVIRONMENTS OF LACUSTRINE OILSHALES AND ITS SEQUENCE STRATIGRAPHY SIGNIFICANCE

Liu Li, Wang Dongpo

1996, 18(3): 311-316. doi: 10.11781/sysydz199603311

Abstract(952) PDF-CN(515)

Abstract:
Lacustrine oil shales can be divided into shallow lake and deep lake deposits in termsof their sedimentary environments. The former can be playa, ectogenic meromictic andshallow saline lakes; and the later is related to stratified lake. The oil shales are located inthe middle part of a transgressive...

A STUDY ON SECONDARY PORES OF THE MESOZOICSANDSTONES IN THE TURPAN-HAMI BASIN

Liu Linyu

1996, 18(3): 317-324. doi: 10.11781/sysydz199603317

Abstract(661) PDF-CN(253)

Abstract:
The secondary pores of the Mesozoic sandstones in the Turpan-Hami basin weremainly formed by the dissolution of unstable components of sandstones. The secondarypores were distinguished to be of eleven types in three developmental zones The formationand preservation of the effective sandstone bodies....

CLASSIFICATION OF ORGANIC MACERAL IN CARBONATES

Qin Shengfei, Zhong Ningning, Qin Yong

1996, 18(3): 325-330. doi: 10.11781/sysydz199603325

Abstract(812) PDF-CN(320)

Abstract:
Based on study method of organic lithology, Samples from an evolutional sequence ofcarbonates in northern China were studied in detail on the Principle of simplicity, practicality and systematization. The organic matters in carbonates were classified into 3 types:allogenic, autogenic and secondary o...

THE FEATURE AND MEASUREMENTMETHODS OF POROSITY ANDRELATIVE PERMEABILITY OF COAL RESERVOIR

Hou Ruiyun

1996, 18(3): 331-335. doi: 10.11781/sysydz199603331

Abstract(792) PDF-CN(660)

Abstract:
Coal gas reservoir is different from conventional gas reservoir.Coal is not only sourcerock but reservoir as well. As reservoir. there is special feature in pore texture in coal.And mechanism of accumulation and occurrence of gas in coal is also different from thoseof conventional gas reservoir on b...

APPLICATION OF FLUID'S OWN MICROCOSMICINFORMATION TO DETECTING HYDROCARBONPRESERVATION IN OIL/GAS FIELDS (ACCUMULATIONS)

Rao Dan

1996, 18(3): 336-343. doi: 10.11781/sysydz199603336

Abstract(707) PDF-CN(205)

Abstract:
Based on study and summary of geochemical characteristics of fluid (oil,gas and water) in Wolonghe gas field (including Jiannan field) of the Sichuan basin and Yakela typical block uplift gas fields (Yakela condensate field and Tiergen field) of the Tarim basin,the author considered that fluid's own...

1996 Vol. 18, No. 3

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