新疆石油地质

新疆石油地质 ›› 2010, Vol. 31 ›› Issue (6): 579-581.

• 油气勘探 • 上一篇    下一篇

泥岩涂抹效应及对断层封闭性的控制作用———以石西11—石西6井区为例

刘静1, 芦淑萍2, 孟祥超2, 徐建江1   

  1. 1.中国石油 新疆油田分公司 石西油田作业区,新疆 克拉玛依 834000;
    2.中国石油 杭州地质研究院,杭州 310023
  • 收稿日期:2010-03-12 修回日期:2010-05-31 发布日期:2021-01-18
  • 作者简介:刘静(1970-),男,重庆人,高级工程师,石油地质,(Tel)13909909801(E-mail)sxytlj@petrochina.com.cn.

Shale Daubing Effect and Its Control on Close of Faults—An example from Wellblock SX11-SX6 in Shixi field in Junggar basin

LIU Jing1, LU Shu-ping2, MENG Xiang-chao2, XU Jian-jiang1   

  1. 1. Shixi Operation District, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China;
    2. Hangzhou Research Institute of Geosciences, PetroChina, Hangzhou, Zhejiang 310023, China
  • Received:2010-03-12 Revised:2010-05-31 Published:2021-01-18

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摘要： 根据区域构造演化和地层发育特征综合分析认为,由于石西地区石西11 井区J2x-K1q 段发育较低倾角、小断距断层及较高的泥地比值,造成了导油断裂在该井区J2x-K1q 段地层发育泥岩涂抹层形成断层封闭,阻止了下部油气沿该导油断裂运移至下盘高部位的石西11 井K1q 圈闭成藏,由该泥岩涂抹形成的断层封闭也同时阻止了油气向石西6 井同一盘上部层位K1q 圈闭的运移成藏。研究泥岩涂抹效应对研究区及类似地区的油气勘探有一定的帮助。

关键词: 石西油田, 断层泥, 泥岩涂抹, 排替压力, 泥地比, 导油断裂

Abstract: Based on the regional structure evolvement and formation character, it is recognized that low dip and small break faults and high shale/stratum value exist in J2x-K1q in Wellblock SX11 in Shixi area, which are the mainly geological reasons resulting in close of the faults by developed shale daubing layers of J2x-K1q and restricting the hydrocarbon accumulation in SX11 well by migration of the lower oil-gas into higher positions (K1q) along the conductive faults. Also, such a close may control the migration of the lower oil-gas into K1q trap at the same wall in SX6 well. The research of fault closure formed by the shale daubing effect can help the researches of oil-gas exploration in studied area and similar areas.

Key words: Shixi oil field, fault clay, shale daubing, replacement pressure, shale/stratum value, oil conducting fault

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