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 24, Issue 6
Displaying 1-6 of 6 articles from this issue
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  • On the Subsurface Studies of Main Oil Fields in Taiwan (Part 3)
    Chuhuangkeng oil field
    Eiichi SEKIYA
    1959 Volume 24 Issue 6 Pages 219-234
    Published: November 30, 1959
    Released on J-STAGE: June 30, 2008
    DOIhttps://doi.org/10.3720/japt.24.219
    JOURNAL FREE ACCESS
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    Chuhuangkeng oil field was discovered by cable No. 1 well in 1904 and is the largest oil field in Taiwan. This oil field is producing oil in the Syukoko sandstone formation of Miocene age. There are three principal oil zone. The productive area is 5.5km long and 300-50m wide. It is asymmetric structure and has an anticlinal fault along the anticlinal axis.
    There are 105 wells in this oil field and the cumulative production reached 200, 000 kl.
    1. Divided into the north block, central block and south block by anticlinal fault along the anticlinal axis and 2 cross faults
    2. In the second layer, the well which is on about-150m subsurface contour line in the west wing of the central block is the most productive one.
    3. In the third layer, the wells situated on about-350m subsurface contour line in the west wing of the south block and central block proved to be the most productive wells.
    4. Both of the 2nd and the 3rd layers have possibities of new drilling and deepening.
    5. Examination of anticlinal fault in the north area and exploration of south area pursuant to the differences in thickness are considered inevitable.
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  • Several Notes on Water Flooding Boundary-Value Problems
    Yo ISHIKAWA
    1959 Volume 24 Issue 6 Pages 235-237
    Published: November 30, 1959
    Released on J-STAGE: June 30, 2008
    DOIhttps://doi.org/10.3720/japt.24.235
    JOURNAL FREE ACCESS
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    On treating water flooding boundary-value problems, it is not safe to make symmetry considerations and conclude the existence of specified streamlines, or, further, to derive specified solutions, if the uniqueness of the solutions has not been ascertained.
    In order to call attention to this, we are going to refer to several examples, but the theoretical discussions are to be treated on another occasion.
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  • A Study on Well Spacing
    Kiyomitsu FUJII
    1959 Volume 24 Issue 6 Pages 238-242
    Published: November 30, 1959
    Released on J-STAGE: June 30, 2008
    DOIhttps://doi.org/10.3720/japt.24.238
    JOURNAL FREE ACCESS
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    [in Japanese]
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  • Porosity Studies
    Seiichi HIRAKAWA
    1959 Volume 24 Issue 6 Pages 243-248
    Published: November 30, 1959
    Released on J-STAGE: June 30, 2008
    DOIhttps://doi.org/10.3720/japt.24.243
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    The porosity of a reservoir rock is a very important factor in gas and/or oil reservoir analysis.
    This paper describes a simple and accurate method of determining the porosity in the laboratory. This new method which measures porosity and permeability at the same time has many good points, that is, various permeabilities and desities of the sample, rock porosity under wetting condition, and fluid saturation in original state can be determined.
    The results on several sandstones and two tuffs are given, and the sandstone's data obtained by this method appear to agree with those estimated from formation resistivity factor measurements.
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  • [title in Japanese]
    [in Japanese]
    1959 Volume 24 Issue 6 Pages 249-255
    Published: November 30, 1959
    Released on J-STAGE: June 30, 2008
    DOIhttps://doi.org/10.3720/japt.24.249
    JOURNAL FREE ACCESS
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  • [title in Japanese]
    [in Japanese]
    1959 Volume 24 Issue 6 Pages 256-272
    Published: November 30, 1959
    Released on J-STAGE: June 30, 2008
    DOIhttps://doi.org/10.3720/japt.24.256
    JOURNAL FREE ACCESS
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