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 19, Issue 4
Displaying 1-6 of 6 articles from this issue
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  • Submarine Test Boring off Michikawa-mura, Yuri-gun, Akita Prefecture, Japan
    Saburo IWASA
    1954 Volume 19 Issue 4 Pages 117-121
    Published: July 30, 1954
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.19.117
    JOURNAL FREE ACCESS
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    The first submarine test boring for oil in Japan was executed by the late Tokusaburo Iwasa in the sea 1, 970m off Michikawa-mura, Yuai-gun, Akita Prefecture using a springg pole drilling machine (Kazusa-bori) in the summer of 1952. The drilling was cotinued until it reached the depth of 27m from the sea bottom and abandoned after the machine was hit and damaged by a typhoon of August 19, 1952.
    As noticed from the geological column accompanied in this note, the sediments consist of the Recent sand at the depth of 0-3m intercalating two thin grabel layers, of dark gray mudstone at 3-10m and of another dark-coloured mudstone at 10-27m intercalating layers of tuffaceous sandstone, and showing a distinct alternation of the dark-colored mudstone and tuffaceous sandstone, while in the upper portion of this part (10-27m) the mudstone is much more dominant.
    The fossil foraminifera from the dark-coloured mudstone is characterized by the flood of Goesella schenchi (Table I).
    From the fossil evidence, the sediments except for the uppermost sand and gravel, may be correlated with the Funakawa formation of middle Miocen age typically developed on the adjacent land area.
    A fairly large amount of gas and oil of good quality was found in tuffaceous sandstones within the depth of 25-27m.
    Other gas and oil seeps in the sea are found off Matsugasaki-mura, 12m south of Michikawa. All the stratigraphical work ever done in the adjacent land area leads us to believe that these two localities of gas and oil seeps just mentioned are related to the similar anticlinal structure to the south of Fakasawa in Matsugasaki-mura, which once produced oil.
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  • Fundamental Properties of Cumulative Production Curve
    Kiyomitsu FUJII
    1954 Volume 19 Issue 4 Pages 122-125
    Published: July 30, 1954
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.19.122
    JOURNAL FREE ACCESS
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    By the use of both reservoir data and material balance equation, theoretical cumulative production curves are obtained. Applying these curves the fundamental properties of cumulative production curves are explained in this paper.
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  • Experiment of Interfacial Tension
    Sen-ichi MATSUMOTO
    1954 Volume 19 Issue 4 Pages 126-131
    Published: July 30, 1954
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.19.126
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    In this study the interfacial tension of oil against solutions of light different commercial surface active agents and the emulsification of these solutions are determined.
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  • Studies on Drilling Fluids (II)
    About mud thinners and emulsifiers derived from lignites
    Bunkichi OKINO, Kazuo IIDA
    1954 Volume 19 Issue 4 Pages 132-140
    Published: July 30, 1954
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.19.132
    JOURNAL FREE ACCESS
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    Among effective thinners and emulsifiers, writers have been investigating for several years. And oxidized products of lignites that have been recently obtained by treating them with dil.-HNO3, have been found best. Those oxidized products were used at Akita fields resulting better effects upon water-clay muds and cement cut muds.
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  • Natural Gas in the Vicinity of Ikeda-machi, Nakagawa-gun, Hokkaido
    Koji MOTOJIMA, Tokio MAKINO, Noboru YASUKUNI, Jin SAITO
    1954 Volume 19 Issue 4 Pages 141-145
    Published: July 30, 1954
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.19.141
    JOURNAL FREE ACCESS
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    Chiyoda-hamlet of Ikeda-town is situated about 20km east from Obihiro-City. In this place, 7 gas producing wells were drilled during recent two years. These wells have a depth of about 125±5m, and flow out naturally the gas with water, showing relatively high tamperature. Total daily production from these wells is nearly 155m3, and the mean value of gas water ratio is about 1:4.1. Cl- content in this under-ground water ranges from 1045 to 1720mg/L. So the writers recognized this deposits as a brackish type. And these gas producing beds probably belong to the Ikeda formation (upper-most Pliocene). Stratigraphical and areal distribution of natural gas is nearly unknown, but in this paper the writers discussed on the geochemical characters.
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  • [title in Japanese]
    [in Japanese]
    1954 Volume 19 Issue 4 Pages 146-149
    Published: July 30, 1954
    Released on J-STAGE: March 27, 2008
    DOIhttps://doi.org/10.3720/japt.19.146
    JOURNAL FREE ACCESS
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