新疆石油地质

新疆石油地质 ›› 2006, Vol. 27 ›› Issue (4): 389-393.

• 油气勘探 •    下一篇

准噶尔盆地石炭系基底构造带区划与油气分布

林祖彬, 吴兴华, 王燕, 时新芹   

  1. 中国石油 新疆石油管理局 测井公司研究所, 新疆 克拉玛依 834000
  • 收稿日期:2006-01-29 出版日期:2006-08-01 发布日期:2020-10-19
  • 作者简介:林祖彬(1933-), 男, 浙江青田人, 教授级高级工程师, 石油地质,(Tel) 0990-6846264.

The Structural Belt Compartment of Carboniferous Basement and Petroleum Distribution in Junggar Basin

LIN Zu-bin, WU Xing-hua, WANG Yan, SHI Xin-qin   

  1. Well Log Institute, Well Log Company, Xinjiang Petroleum Administration Bureau, CNPC, Karamay, Xinjiang 834000, China
  • Received:2006-01-29 Online:2006-08-01 Published:2020-10-19

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摘要： 根据地面重磁力等资料区划石炭系基底的二级构造单元格局是“一阶”、“二隆”、“三坳”6个构造带,相邻坳隆间以断阶、断裂带接壤;在275口探井中,有31口探井探明了10个中型整装油气田,全部聚集在断阶、断裂带上继承性的坳边隆(Kz、Mz)的圈闭内;非继承性(C、P)坳边隆的圈闭仅见21个孤立的出油气点(井);160口井是缺少与生烃源岩间的供油通道而出水;47口干井均位于朵状三角洲相邻两条分流河道之间的泥岩和潜山周边的凝灰岩中;择优9个背斜构造的25个部位可望发现控制储量。

关键词: 准噶尔盆地, 石炭系, 基底, 重磁力异常, 二级构造带, 油气分布规律

Abstract: The II-Class structural units of Carboniferous basement are regionally classified into such framework as one terrace, two uplifts and three depressions, based on data from surface gravity and geomagnetic survey. Between the depression and the uplift is linked by faulted terrace and fracture belt. 275 prospecting wells were drilled here, and 10 medium-sized complete oil-gas fields have been found by 31 wells of them, all of which are concentrated in traps of successive depression-side uplifts (Kz, Mz) on the fault terrace and fracture belt; in traps of non-successive depression-side uplifts (C, P), only 21 oil/gas-yielding isolated points or wells have been discovered, with 160 water wells due to lack of oil-feeding channels linked with hydrocarbon-generating source rocks; 47 dry wells that are drilled in shale between two distributary channels adjacent to the lobate delta and in tuff around the buried hill. It is suggested that 25 locations of 9 IIIClass anticline structural belts are favorable for finding out proved or controlled reserves.

Key words: gravity and geomagnetic anomaly, II-Class structural belt, regional classification, petroleum distribution, regularity, prediction, potential oil-gas field

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