Journal of the Japanese Association for Petroleum Technology
Online ISSN : 1881-4131
Print ISSN : 0370-9868
ISSN-L : 0370-9868
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Volume 41, Issue 6
Displaying 1-8 of 8 articles from this issue
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  • [title in Japanese]
    [in Japanese]
    1976 Volume 41 Issue 6 Pages 315-320
    Published: 1976
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.41.315
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1976 Volume 41 Issue 6 Pages 321-328
    Published: 1976
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.41.321
    JOURNAL FREE ACCESS
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  • Geochemical Considerations on Generation and Evolution of Petroleum Oil
    Ryuji HIRATSUKA
    1976 Volume 41 Issue 6 Pages 329-337
    Published: 1976
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.41.329
    JOURNAL FREE ACCESS
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    Important source material for oil is lipid and cellulose for methane gas. All organic matters deposited in the sedimentary rocks should have been destined to be for either oil, methane gas, coal or oil shale in accordance with their chemical composition and quality.
    Productive oil has been squeezed out from source sediments into porous strata in the for of "protopetroleum" emulsion. The squeeze out should have continued until the water content of the source sediments declined to 20% or the source sediments were buried 700m deep. Thereafter, the protopetroleum emulsion was transformed into real oil by low temperature thermo-energy within the porous strata. To the contrary, methane gas may have been generated in the source sediments at any time within 3 million years after their deposition.
    Wax and sulfur in crude oil are intrinsical components originated from the source material.
    Evolution of oil is affected by geological time and environment as follows:
    (1) differentiation of oil into types through inclined reservoir rock after the accumulation,
    (2) lightening of oil by precipitation of asphalts,
    (3) decolorization of oil through secondary migration,
    (4) changing of oil into condensate oil as the result of precipitation of heavy asphalts caused by high pressure gas invasion,
    (5) production of light aromatics in oil by abnormal high pressure within the acidic pyroclastic reservoir rocks,
    (6) metamorphose of oil affected by high temperature in the reservoir rocks, and
    (7) oxidation of oil by invasion of rain-water resulting in the destruction of normal parafins.
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  • [title in Japanese]
    [in Japanese]
    1976 Volume 41 Issue 6 Pages 338-350
    Published: 1976
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.41.338
    JOURNAL FREE ACCESS
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  • tudy on Lateral Effective Thermal Conductivityin a Radial Flow System
    Shozo TANAKA, Keinosuke TANIGUCHI, Shigeru YAMASHITA, Satoshi AKIBAYAS ...
    1976 Volume 41 Issue 6 Pages 351-357
    Published: 1976
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.41.351
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    A method for determining lateral effective thermal conductivity in a radial flowsystem is presented. The analytical and experimental studies were carried by using a radial flowmodel. The experimental apparatus used is shown in Fig. 3 and Fig. 4. It was packed withglass-beases. The apparatus was designed as a wedge-shaped vessel (see Fig. 4). Lateral effectivethermal conductivity may be calculated by Eq. (3) which is called Yagi and Kunii's equation.The relations between temperature, distance, flowrate and stagnant effective thermal conductivityetc. in a radial flow condition are expressed in Eq. (5), Eq. (6) and Eq. (10), respectively.
    Then, stagnant effective thermal conductivity λ0 and lateral effective thermal conductivityλe may be calculated from the measured value obtained in the experiments. The distribution oftemperature in the radial flow model was estimated Eq. (8) by substituting the value of λe deter-mined in this study. As the results, close agreement between measured and calculated values onthe distribution of temperature was obtained.
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  • Fundamental Research of Linear Programming Models on Petroleum Demand-Supply Structur
    Seiichi HIRAKAWA, Keigo HIDA
    1976 Volume 41 Issue 6 Pages 358-362
    Published: 1976
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.41.358
    JOURNAL FREE ACCESS
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    In view of current world crisis, it is definitely necessary to study petroleum energy model. The LP (linear programming) model can be applied to obtain the optimum demand-supply structure of petroleum and natural gas. This paper describes the principle of LP and actual calculation procedure for several simplified examples.
    Solutions of these examples show to some extent the utility of this application of the LP model. In addition, a flow chart is shown for the use of computer.
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  • [title in Japanese]
    [in Japanese]
    1976 Volume 41 Issue 6 Pages 363-364
    Published: 1976
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.41.363
    JOURNAL FREE ACCESS
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  • A Summary of the Offshore South East Asia Conference, 1976
    David J. Lyons
    1976 Volume 41 Issue 6 Pages 365-372
    Published: 1976
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.41.365
    JOURNAL FREE ACCESS
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    [in Japanese]
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