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Table of Content
20 February 1997, Volume 19 Issue 1
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石油地质勘探
Diagenesis of Middle Jurassic Reservoirs in Tuha Basin and Its Signifi-cance in the Exploration of Oil and Gas
Guo Yihua
1997, 19(1): 1-6. DOI:
10.3863/j.issn.1000-2634.1997.01.001
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By an intigration of the data from thin sections, X- diffraction, Scanning Electrical Micro-scope, the author of this paper discussed in detail on the evolution of porosity and diagenesis of Middle Jurassic Reservoir in Tuha Basin, it is indicated that stong compaction is the basic origin of low porosity and low permeabity reservoir. The cementation is controlled by the permeating-diffusing mechanism and the heat convertion mechanism and be able to result in the formation of diagenic trap.
The Role of Fault in the Petroleum Migration and Accumulation
Wang Shunyu
1997, 19(1): 7-13. DOI:
10.3863/j.issn.1000-2634.1997.01.002
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In this paper,petroleum sources on Lower Tertiary of Wuxing structural belt in Yitong graben,Jilin Provinces is studied by geochemistry method. It is indicated that there are two sources of petroleum, their maturity is not high enough (Ro=0.6-0.8%). One comes from Yongji Formation in Xinanbao, which results in the accumulation of commercial petroleum, distributes near No.2 fault. Another comes from Shuangyang Formation, it is far away from No.2 fault and with no productive capacity. No.2 fault plays a very important role in the petroleum migration and accumulation in this area.
The Determination of Single-layer Boundary Location of ComplexHydrocarbon Reservoirs by Trielectrode Gradient Method
Zhang Tianlun
1997, 19(1): 14-19. DOI:
10.3863/j.issn.1000-2634.1997.01.003
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This paper briefly discusses the basic principle of the trielectrode gradint method and introduces
the aquarium analogue experiment results on structural complex hydrocarbon reservoirs and those reservoirs which are devided by fault blocks for the trielctrode gradient method. The ex-
periment results show that it is possible to use this method to make single-layer forecast for various kinds of complex hydrocarbon reservoirs and determine each single-layer boundary location.
Comprehensive Analysis of Lighyt-Heavy Monomer Hydrocarbon anddiscussion of the Geologic Significance
Wang Haiqing
1997, 19(1): 20-25. DOI:
10.3863/j.issn.1000-2634.1997.01.004
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It will emphatically be discussed in the paper how to develop and expand gas chromatographical spectrometer s analysis function. Oil and disperse soluble organic matter extracted from the underground will directly be sampled into the gas chramatographical spectrometer once and comprehensively analyzed to determine heavy-light monomer hydrocarbon component, moreover,
the geologic significance is integratively discussed.
Reservoir Classification and Evoluation by the Method of Chief Compo-nent Analysis
Qiang Ping
1997, 19(1): 26-31. DOI:
10.3863/j.issn.1000-2634.1997.01.005
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There are many parameters of pore and throat structure from image and mercury injection analysis. The important parameters, which can uantitatively describe the characteristics of poresnd throat structure of section-Ⅱof jialinjiang group in estern sichuan, can be determined by chief component analysis. Reservoirs can be classified and evaluated by researching the relationship of these important parameters and the porosity and permeabibity.
油气田开发
Block Preconditioned OrthoMin Methods and Their Application inHorizontal-well Reservoir Simulation
Zhang Liehui
1997, 19(1): 32-36. DOI:
10.3863/j.issn.1000-2634.1997.01.006
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This paper introduces four kinds of block incomplete factorization OrthoMin acceleration methods, that is, the first, the second, the third orders of block incomplete factorization for natural order, and the first order for D4. These methods have been used in horizontal well reservoir simulation and have obtained good results.
Study of Well Test Analysis with Variable Wellbore Storage
Chen Wei
1997, 19(1): 37-39. DOI:
10.3863/j.issn.1000-2634.1997.01.007
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Dynamic simulation has been used in this paper to study the characteristics of variable wellbore storage behavior and its interpretation method. The double plot matching technique presented in this paper makes good use of the advantages of the log-log and semilog plots and makes variable storage well test interpretation more practical and it can be extended to the interpretation of dual porosity reservoir well test with variable storage.
Analytical Solution of Bottom Hole Pressure Behavior in LayeredReservoirs with Wellbore Phase Redistribution and Crossflow
Jia Yonglu
1997, 19(1): 40-44. DOI:
10.3863/j.issn.1000-2634.1997.01.008
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Many studies have been done about the mathematical model of layered reservoirs with crossflow. The dual permeability model proposed by D. Bourdet is the most practical one. But its application is limited because it is numerically unstable when the skin factor is negative. Based on the concept of effective wellbore radius, a new model of layered reservoir with crossflow is presented in this paper. The new model is numerically stable and takes into account the influence of wellbore phase redistribution and it enlarges the application range of Bourdet s model.
Experimental Study of Multifunctional Mud-additive HD
Wang Pingquan
1997, 19(1): 45-48. DOI:
10.3863/j.issn.1000-2634.1997.01.009
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This paper systematically describes various performances of HD in drilling fluid. The experiment shows that HD is able to reduce filtration, suspend, inhibit, lubricate, and resist high temperature, salt, and calcium. It is a new product replacing polymers. It is a valuable reference for the development of drilling fluid system.
The Effect of Inorganic Salts on the Adsorption of Amphoteric IonPolymer on Clay Surface
Yang Liu
1997, 19(1): 49-52. DOI:
10.3863/j.issn.1000-2634.1997.01.010
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By measuring the effect of inorganic salts on the adsorption on clay surface of amphoteric ion polymer with different molecular structures, this paper determines the characteristics of the molecular structures of amphoteric ion polymers, the law of their adsorption on clay surface,and the changes of their adsorption with inorganic salts.
石油机械工程
Calculation of Strength Design of Casing Strings
He Shiming
1997, 19(1): 53-59. DOI:
10.3863/j.issn.1000-2634.1997.01.011
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This paper discusses the principle of triaxial stress design of casing strings, deduces the strength formula of triaxial stress, and analyzes the overall external loads applied on the casing string.The modified equal safety coefficient method is put forward on the basis of equal scatter coeffi-
cient method. The new method is more reasonable than equal safety coefficient method when dealing with external loads, and it improves the design procedure. Based on the proposed method and in combination with the practice of oilfields, the software for strength design of casing string is developed and has been widely used in oilfields.
An Optimum Matching Technique for a Jet Pump System and Its Operation Parameters
Zhao Shulan
1997, 19(1): 60-65. DOI:
10.3863/j.issn.1000-2634.1997.01.012
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Under the operation conditions of a jet pump system in one well considered, the maximum average operation efficiency of the jet pump system over a range of flowing bottomhole pressures is taken as the objective function on the premise of meeting the production requirements. The optimum model is set up, considering four optimum variables, that is, the ratio of nozzle area to
throat area, piston pump horsepower, piston pump pressure, and tubing size. The model includes twelve constrained conditions which are governed by caviation characteristics and operation performance of a jet pump and can be determined by complicated iterative calculation of jet
pump performance.. The technique of mixed-discrete nonlinear optimization is used to solve
the model in order that a jet pump system matches optimally. The optimum matching technique lays the theoretical foundation for the general layout of a jet pump system of a well.
3D-Mathematical Models, Mechanical models and Automatic Division of Finite Element Grids of the Wedge Tooth
Lian Zhanghua
1997, 19(1): 66-69. DOI:
10.3863/j.issn.1000-2634.1997.01.013
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Taking the basic dimensions of the wedge tooth of the cone bit as parameters, the 3D-mathematical models and mechanical models of this kind of tooth have been established on the basis of the key points on a tooth. These models provide a convenient method for the automatic division
of the finite element grids and the forced process analysis of the tooth. This paper has analyzed the variations of the tooth forced process with rock hardness and its positions. The method is better than the concentrating load method for the analysis of the tooth forced process.
Main Stress Method and ItsApplication to the Calculation of Extrusion-Deformation-Force of Circular Cones
Xu Xiaobing
1997, 19(1): 70-72. DOI:
10.3863/j.issn.1000-2634.1997.01.014
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Main stress method is widely used in engineering calculations. In this paper, the formula for calculating the extrusion-deformation-force of circular cone tube are derived from main stress method . The result can be used as a reference for designing mould and selecting process equipment.
石油与天然气储运工程
Analysis on Elastic Stability of the Erosion Section of the Sea-bottomImbedded Oil and Gas Pipeline
Wang Wei
1997, 19(1): 73-78. DOI:
10.3863/j.issn.1000-2634.1997.01.015
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The elastic stability of the erosion section of the sea-bottom imbedded oil and gas pipeline is discussed in this paper. A so-called beam-shell erosion model is proposed. The ovalization mode of the cross section of the pipe is analyzed and the governing equations of elastic stability of the erosion section are obtained on the basis of elastic stability theory. At last, an example of
numerical analysis on the equilibrium path is given. This effort is helpful to further analysis of the elastoplastic stability of the erosion section of the pipeline.
Thermal Calculation of Buried Oil Pipeline
Li Changjun
1997, 19(1): 79-83. DOI:
10.3863/j.issn.1000-2634.1997.01.016
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When buried hot oil pipeline experiences any change, the thermal equilibrium between the oil and the soil around the pipeline is destroyed, and the oil temperature and soil temperature redistribute. In order to study this unstable thermal process, transient temperature field has to be
analyzed. In this paper, mathematical methods (conformal transformation, Laplace transformation etc.) are applied to study unstable heat transmission between the medium in the pipeline and the semi-infinite soil. The formula for calculating soil temperature is derived. In addition, the calculation for shutdown of heated oil pipeline are studied.
石油化学工程
The Factors that Influence the Liquefaction Rate of LightHydrocarbonby Low Temperature Separation and Its Application
Zhu Lin
1997, 19(1): 84-87. DOI:
10.3863/j.issn.1000-2634.1997.01.017
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Four kinds of domestic typical natural gas are chosen for balance calculation by SHBWR real gas state equation, the factors that affect the liquefaction rate of C3and C3+, which are recovered from natural gas by low temperature separation are studied. This paper also presents the way that can increase the liquefaction rate.
计算机应用、管理科学
The Application of Emulation in the Petroleum Industry
Sun Biao
1997, 19(1): 88-92. DOI:
10.3863/j.issn.1000-2634.1997.01.018
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Computer emulation technologies are playing an important role on the petroleum industry, some have been widely applied, but the others have not attracted enough attention. Based on the research achievements and application practice of conputer emulation technology in the industry,
the computer emulation technologies applied in the industry are classified in the paper, and the characteristics and application situations of the technologies are analyzed, the purpose is to at
tract more attention to the technology and pronote the application of the technology on the industry.
An Approach to Direct File Transmission between Novell Workstation
Yan Yongsheng
1997, 19(1): 93-95. DOI:
10.3863/j.issn.1000-2634.1997.01.019
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It is not convenient to user that Novell network can not provide file ransmission sercice directly between workstations. So we present an approach to develop the program for direct file transmission between workstations by NETBIOS. This approach is simple and good for common
use.
A Data Acquisition System Implemented with PC Parallel Port
Li Jian
1997, 19(1): 96-98. DOI:
10.3863/j.issn.1000-2634.1997.01.020
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A data acquisition system is presented in this paper on the basis of PC parallel port through software and hardware. The hardware mainly includes AD 574A 12 bit ADC and 8255A Prallel interface chips. As for the software, data needed can be acquired by means of“Polling”. Without opening the box of main frame, this system can be linked to a variety of computers, especially portable ones.
On the Management Mechanism of the Property Right of Oil CompanyGroups
Zheng Shouchun
1997, 19(1): 99-101. DOI:
10.3863/j.issn.1000-2634.1997.01.021
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This article presents that the establishment of oil company groups is the important way of the oil industry reform, the characteristics of the management of the property right and the relationships of the property right in the oil companies are described in detail, and the management
organizations and the property right binding mechanism of oil company groups are analyzed.
