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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/109056


    Title: Establishing the Formation Pressure Profile of Predrill Well Based on Adjacent Wells Data
    Authors: Sheng, Ya-Nan;Guan, Zhi-Chuan;Wei, Kai
    Keywords: Formation Pressure;Formation Matrix;Wellbore Matrix;Epitaxial Transplantation Method
    Date: 2016-06
    Issue Date: 2017-01-03
    Publisher: 淡江大學出版中心
    Abstract: The formation pressure plays a very important role in drilling engineering. So it is of great
    significance to predict formation pressure before drilling. In order to solve the problem, the concept of
    formation matrix and wellbore matrixwere put forward. Also the method of epitaxial transplantation
    for the regional formation pressurewas proposed. With the concept of wellbore pressure matrix, the
    target wellbore pressure matrix can be builtby dealing with the adjacent wellborepressureusing the
    method of depth adjustment and weighted distance correction. Finally, we can obtain the formation
    pressure of the targetwell. Case study of Qinghai Oilfield was carried out to test the method. Through
    comparative analysis, the maximum relative error of the transplantation pressure and logging
    interpretation pressure is 4.2%. The result indicated that the accuracy and reliability of the method can
    meet the engineering requirement. This is conductive to designers to predict formation pressure which
    can provide the basis for the casing design and the selection of the drilling fluid density.
    Relation: Journal of Applied Science and Engineering 19(2), pp.207-213
    DOI: 10.6180/jase.2016.19.2.11
    Appears in Collections:[淡江理工學刊] 第19卷第2期

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