[1]葛诚,陈社教,时静.库木库里盆地构造单元划分与油气远景区预测[J].华东地质,2021,42(04):457-466.[doi:10.16788/j.hddz.32-1865/P.2021.04.011]
 GE Cheng,CHEN Shejiao,SHI Jing.The division of tectonic units and prediction of oil and gas prospects in Kumukuli Basin[J].East China Geology,2021,42(04):457-466.[doi:10.16788/j.hddz.32-1865/P.2021.04.011]
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库木库里盆地构造单元划分与油气远景区预测()
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《华东地质》[ISSN:2096-1871/CN:32-1865/P]

卷:
42
期数:
2021年04期
页码:
457-466
栏目:
基础地质
出版日期:
2021-12-25

文章信息/Info

Title:
The division of tectonic units and prediction of oil and gas prospects in Kumukuli Basin
作者:
葛诚 陈社教 时静
安徽省勘查技术院, 安徽 合肥 230031
Author(s):
GE Cheng CHEN Shejiao SHI Jing
Geological Exploration Technology Institute of Anhui Province, Hefei 230031, Anhui, China
关键词:
库木库里盆地重磁勘探盆地构造油气远景区
Keywords:
Kumukuri Basingravity and magnetic prospectingbasin tectonicoil-gas prospective area
分类号:
P631
DOI:
10.16788/j.hddz.32-1865/P.2021.04.011
摘要:
库木库里盆地位于昆仑山东侧,生油条件较好,但盆地内构造划分尚不明确。通过在该盆地开展1∶5万高精度重、磁测量,分析相关数据及收集的物性资料,发现该盆地存在2个密度界面和1个磁性界面。利用重、磁资料对盆地新生界的厚度和3个界面的埋深进行定量计算,发现新生界总体呈"中部薄、南北两侧厚,西部薄、东部厚"的特征。结合区域地质及物探资料,推断并构建了盆地的断裂体系,共解释断裂44条,其中NW向或NWW向断裂17条、近EW向断裂14条、NE向断裂9条、SN向断裂4条。对库木库里盆地的构造进行了划分,共划分出13个Ⅲ级构造单元。结合油气地质成果,预测北部斜坡和坳陷是有利的油气勘探区,圈定了3处有利油气远景区。
Abstract:
The Kumukuli Basin, which is located in the east side of the Kunlun Mountains, has favorable petroleum-generating conditions but undetermined tectonic division. Through the operation of 1∶50 000 high-precision gravity and magnetic measurements in the basin, coupled with systematic analysis on relevant data and pre-collected physical property data, it was found that the basin has two density interfaces and one magnetic interface. Using gravity and magnetic data to quantitatively calculate the thickness of the Cenozoic strata in the basin and the buried depth of the three interfaces, this research found that the thickness of the Cenozoic strata is generally thin in the center, thick in the north and south, thin in the west and thick in the east. In combination of regional geology and geophysical data, a fault system of the basin was inferred and constructed with a total of 44 faults explained, including 17 NW and NW-trending faults, 14 near-EW faults, 9 NE-trending faults, and 4 north-south faults. The Kumukuli Basin was further divided into 13 level-Ⅲ tectonic units. On this basis, combined with the oil and gas geological research, the northern slope belt and the northern depression were supposed to be oil-gas exploration areas and three oil-gas prospects were delineated within the areas.

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备注/Memo

备注/Memo:
收稿日期:2020-8-10;改回日期:2020-12-6。
基金项目:中国石油化工股份有限公司胜利油田分公司"2012年度库木库里重磁勘探(编号:67-2012-KTKF-00022)"项目资助。
作者简介:葛诚,1990年生,男,工程师,主要从事重磁勘探工作。Email:632202633@qq.com。
更新日期/Last Update: 1900-01-01