Xinjiang Petroleum Geology

PRINCIPLES OF HYDROCARBON SEDIMENTOLOGY AND DEVELOPMENT OF HYDROCARBONS DEVELOPMENT OF HYDROCARBONS

Qiu Dongzhou

1992, 13 (1): 1-22.

Abstract ( 125 )

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In framework of esential conditions required for for mation of a hydrocarbon bearing reservoir, including hydro-carbon generation,accumulation and presetvation,barrier salingy,migration and trapping,the hydrocat bon explo-ration sedimentology is discused.The discussions of hydrocarbon development sedimentology are made basd on the relationship among sedimentation,peirogenesis ani developing proces during development of hydroarbon reser-voir.In hydrocarbon exploration sedimentology, it's discussion is focused at the relationships among terrestrial sed-mentary facics, reservoir beds and traps.In hydroca. bon development sedimentology, i's discusion is focused at sedi mentary attributes and petrogenic characteristics,both are the foundation of reservoir study, and particularly empha-sised that the studies of reservoir sedimentology and petrogenesis process should be treated as most important content.

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EVOLUTION OF TARIMBASIN AND ITS PETROLIFEROUS ANALYSIS

Shao Shengmao, Chen Ziyuan

1992, 13 (1): 23-34.

Abstract ( 89 )

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Tarim Basin involvcs four (4)evolutonary stages and consists of six(6) prototype basins,aooording to Pof,Zhu Xig's theory of double classification of petroliferous basins.The bssin was formed by horizontal combination, vertica' superimposition and reconstruction of the prototype basins, Based on the available data,the basin can be di-vided into nine(9)first--order and seventcen(17) socond—order tcctonic unis,lt is concluded that Manjar is the mast favorable souroe arca where multd—prolotype basins and dcep deptcsjons are superimpased and the hinge belts of these prolotype basins are the mast probable places where optimun sourC一reservoir—cap combinations can be found.

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SEDIMENTARY FACIES AND PATTERNS OF CARBONIFEROUS AND PERMIAN IN JUNGGAR BASIN

Mou Zehui, Zhu Deyuan, Qing Chongwen

1992, 13 (1): 35-48.

Abstract ( 108 )

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Based on a lot of petroiogical, stratigraphic. tectonic and palaeotological data and using the theory of mobilism as a conceptual guide, this paper has categorized and delineated the carboniferous and permian sdimentary facies in Junggar Basin into three (3) facial areal divisions eleven (11) facial zones and thirteen (13) facies types. Further-mote, bused on their tcetonic backgroundls made them further rducted into six (6) facial series. Selimentation regime's patterns had been developed for carboniferous, early and late permian,according to theit tectonic background and distributing regularily of sedimentary facies. The destributing regularities of favorable facial zones of principal hydrocarbon generating beds, hydrocarbon reservoir beds as well as caprock beds also been stated.

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SOMENEWLY UNDERSTANDINGS ON FEATURES OF ALLUVIALFAN'S RESERVOIR BODIES

Guan Weidong

1992, 13 (1): 49-55.

Abstract ( 82 )

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Based on field investigations of recent alluvial fan bodies, detailed descriptions are made in this paper on their dis-tributing forms and macroscopic continuity of subground Triassic alluvial fan's sand-conglomerate bodies as well as the distribution of interbeded layers and barriers, in Karamay oilfield.The author concluded that the sandconglo-inerate reservoirs located at apex of alluvial fan is a non-typical dual medjum with fracture--pore tex(ure features.

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EVALUATION TECHNIQUE OF RESERVOIR PERFORMANCE OF CLASTIC ROCKS

Yuan Qingfeng

1992, 13 (1): 57-65.

Abstract ( 68 )

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Three aspects pertaining to performance evaluation of clastic rock reservoir, including the content of evaluation, database preparation and evaluation methods, are discussed in this paper. Preliminary study on geological model to be used also been made herein.

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A SRUDY OF INJECTION—PRODUCTION PRESSURE SYSTEM FOR KARAMAY CONGLOMERATE RESERVOIRS

Guo Shuanggeng, Tang Chengfeng

1992, 13 (1): 65-73.

Abstract ( 67 )

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This paper presents the results of a statistical study of injection—proluction pressure system for Karamay cong-lomerate teservoirs, The optimal presures for vatious recovery patterns and/or water-cuts are estimated. The fac-ters affecting the pressure system are discussed. The results can serve as a technical basis for production improvement, recovery adjustment and optimal pressure system design for conglomerate reservoirs.

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ANAPPROACH TO APPLICATION OF DIMENTIONLESS ANAPPROACH TO APPLICATION OF DIMENTIONLESS OF PAY ZONE CONTAMINATION

Shan Shouhui, Yang Shengzhen

1992, 13 (1): 74-78.

Abstract ( 68 )

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lPR curve is a kind of characteristic curve descrbing the basis reiationship between oil well production and bot-tomhole flowing pressure.Using dimentionless lPR curve and dimentionless general equation IPR, the evaluation methods of pay zone cantamination are studied in this paper.Practical application indjicated that it is a simple and ease methoxi.

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GRAINSIZE DATA PROCESSING BY COMPUTER

Ma Xjaodong

1992, 13 (1): 79-85.

Abstract ( 55 )

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The manual processing of grain size analysis data is a time—consuming and boting job. This paper ptovides you an effective way to do it by using computer. Application of this technique has shown satisfactory results.

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