石油技術協会誌
Online ISSN : 1881-4131
Print ISSN : 0370-9868
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29 巻 , 6 号
選択された号の論文の6件中1~6を表示しています
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  • 菊池 良樹, 富沢 昭文
    29 巻 (1964) 6 号 p. 256-261
    公開日: 2008/03/27
    ジャーナル フリー
    In this report the writers intented to describe the zonation by the Benthonic Foraminifera. As an example, they have treated the Kazusa Group which is assigned to Plio-Pleistocene in age and 2500m in thickness.
    A standard zonation must be established near the central part of the basin. The biofacies changes toward the marginal area owing to the basin architecture, the tectonic or/and eustatic movements in the basin and the difference of the amount of sediments brought in it. So the zonation is not always equal in each well. The aim of foraminiferal survey will be stressed more in recognition of depositional environment than the division of strata.
    In the oil geology, the micropaleontological survey is one of the basical works for prospecting. It is able to presume the depositional environment and the depositional direction of mud or sand stone by recognition the change of litho and biofacies. Also foraminiferal data may be helpful to the judgment of the modes of sedimentation in sandstone which may have a relation to prospecting oil or gas.
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  • 工藤 修治, 岩本 寿一, 平川 誠一
    29 巻 (1964) 6 号 p. 262-267
    公開日: 2008/03/27
    ジャーナル フリー
    In consideration of the radiation effects on the origin of petroleum, the writers irradiated with γ-ray on Cu chlorophyrin Na salt, which is a primary derivative of chlorophyll(a source material of petroleum).
    The results are discussed from geochemical point of view. Desaltization of Cu chlorophyrin Na salt by γ-ray irradiation is the first order reaction of radiation dose. A portion of Cu chlorophyrin Na salt transferred to pheoporphyrin, pheocrythrin and a similar of chlorin. Gaseous products consisting of hydrogen, methane, ethylene, ethane, propane and carbondioxide are obtained. The presence of rocks and water has an influence on radiolysis, and the effects are more pronunced than those obtained during irradiation in bulk.
    From these experimental results, the writers suggest that natural radioactivity from minerals in sedimentary rocks might play an important role for the formation of petroleum.
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  • 藤井 清光, 佐藤 光夫
    29 巻 (1964) 6 号 p. 268-274
    公開日: 2008/03/27
    ジャーナル フリー
    A series of laboratory experiments were conducted to determine the carrying capacity or ability of a liquid to lift solid samples while flowing vertically through a pipe. Water and CMC solutions were used as transport media. Sample velocity was measured with an accuracy of 0.01 second by means of a equipment using photocells.
    Results obtained are as follows:
    1. Slip velocity (the difference between liquid and solid sample velocity) is not constant but is affected by both the velocity and the viscosity of liquid (Table 6).
    2. Carrying capacity of liquid increases with its viscosity (Figs. 8 and 9).
    3. The ratio of sample diameter to pipe diameter effects observed carrying capacity of liquids of lower viscosity at lower velocity but does not effect that of liquids of higher viscosity at higher velocity.
    4. Except for low liquid viscosity, turbulent flow is not necessary to increase carrying capacity (Figs. 8 and 9).
    5. There is no relationship between the velocity of a solid sample falling through quiescent liquid and the slip velocity of the same sample (Table 6).
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  • 中山 好弘
    29 巻 (1964) 6 号 p. 275-283
    公開日: 2008/03/27
    ジャーナル フリー
    Presented in this paper is a part of the results, which have been carried out as a sires of the rock drilling tests at the Laboratory of JAPEX.
    The primary objective of this study is to investigate the relationship between weight on bit and drilling rate for roller cutter bits under various conditions.
    The curves of the weight on bit versus drilling rate and the emprical equation are presented.
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  • 鶴田 均二
    29 巻 (1964) 6 号 p. 284-285
    公開日: 2008/03/27
    ジャーナル フリー
    A new term "arbet " is proposed as a division unit of the strata, for "All Rocks inserted Between two Tuffite layers". The plural of arbet is arbets, and, several arbets are grouped to arbet group.
    It is desirable to lay arbet, arbets and arbet group upon the lithofacies map, because, by doing so, one can easily recognize all of the rocks which were laid down in a definite period of time. And, by piling up the arbet group, one is able to get a quickway to restore the geologic history of the area.
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  • 藤井 清光
    29 巻 (1964) 6 号 p. 286-288
    公開日: 2008/03/27
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