Early Exploitation Characteristics of Lucaogou Tight Oil of Permian in Jimusaer Sag, Junggar Basin

Abstract

Abstract: The Lucaogou tight oil of the Permian in Jimusaer sag in eastern Junggar basin are in its early stage of exploration and development. In this paper, the tight oil’s characteristics such as production test, pressure, seepage flow and decline, etc. are analyzed, by which the recovery factor of Lucaogou tight reservoir is estimated. It is suggested that the horizontal well and the multistage fracturing are two kinds of key technologies for economically and effectively developing the tight oil; the Lucaogou formation belongs to normal pressure system, with pressure factor of 1.05~1.20; it has an obvious feature of non-Darcy flow and starting pressure; the oil well production performance is accordant with hyperbolic decline pattern; the annual natural production decline rate is about 60%, and the predicted ultimate recovery factor is 5.5%

CLC Number:

TE331

WU Chengmei, GUO Zhineng, TANG Fuping, XIE Jianyong, LIANG Chenggang, ZHANG Leyuan. Early Exploitation Characteristics of Lucaogou Tight Oil of Permian in Jimusaer Sag, Junggar Basin[J]. , 2014, 35(5): 1-1.

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Early Exploitation Characteristics of Lucaogou Tight Oil of Permian in Jimusaer Sag, Junggar Basin

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