[1]闫怡帆.,刘喜欢,韦桂梅,等.百色盆地中三叠统兰木组孤立残余灰岩岩溶特征及演化[J].复杂油气藏,2023,16(01):35-42.[doi:10.16181/j.cnki.fzyqc.2023.01.006]
 YAN Yifan,LIU Xihuan,WEI Guimei,et al.Karst characteristics and evolution of isolated residual limestone of the Middle Triassic Lanmu Formation in the Baise Basin[J].Complex Hydrocarbon Reservoirs,2023,16(01):35-42.[doi:10.16181/j.cnki.fzyqc.2023.01.006]
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百色盆地中三叠统兰木组孤立残余灰岩岩溶特征及演化()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
16卷
期数:
2023年01期
页码:
35-42
栏目:
油气勘探
出版日期:
2023-03-25

文章信息/Info

Title:
Karst characteristics and evolution of isolated residual limestone of the Middle Triassic Lanmu Formation in the Baise Basin
作者:
闫怡帆1.2刘喜欢3韦桂梅2高 康2
1.成都理工大学地球科学学院,四川 成都 610059;2.成都理工大学油气藏地质及开发工程国家重点实验室 四川 成都 610059,3.中国石化江苏油田分公司勘探开发研究院,江苏 扬州225009
Author(s):
YAN Yifan12LIU Xihuan3WEI Guimei2GAO Kang2
1. College of Earth Sciences, Chengdu University of Technology,Chengdu 610059,China;2. State Key Laboratory of Reservoir Geology and Development Engineering, Chengdu University of Technology, Chengdu 610059, China;3.Exploration and Development Research Institute of Jiangsu Oilfield Company, SINOPEC, Yangzhou 225009, China
关键词:
残余灰岩岩溶特征 岩溶地貌恢复兰木组百色盆地
Keywords:
the residual limestonekarst characteristicsrestoration of karst landformLanmu FormationBaise Basin
分类号:
TE132
DOI:
10.16181/j.cnki.fzyqc.2023.01.006
文献标志码:
A
摘要:
中三叠统兰木组灰岩潜山油藏是百色盆地油气勘探的重要领域。基于野外剖面及扫描电镜、阴极发光、普通薄片、铸体薄片等资料,对百色盆地中三叠统兰木组残余灰岩岩溶特征进行了研究。结果表明,兰木组现今残余灰岩呈孤立块状不均匀分布,上法地区灰岩分布范围较大,灰岩最大厚度450 m左右。残余灰岩主要为亮晶砂屑灰岩、泥晶及亮晶生屑灰岩、生物丘和礁灰岩。灰岩内部广泛发育溶蚀孔洞、裂缝,可划分出垂向上的风化残积表生带、渗流带和潜流带,横向上形成多个岩溶斜坡—岩溶高地—岩溶斜坡交替分布的格局。通过分析兰木组灰岩从印支晚期—燕山—喜山运动早期的长期隆升及差异剥蚀特征,建立了兰木组残余灰岩岩溶地貌及演化模式。研究结果可以为类似残余灰岩岩溶的研究提供新的思路,并对研究区有利储层预测提供指导。
Abstract:
The limestone-buried hill reservoir of the Middle Triassic Lanmu Formation is an important area of oil and gas exploration in the Baise Basin. Based on field profiles and data from scanning electron microscopy, cathodoluminescence, and ordinary and cast thin sections, it was studied the karst characteristics of the residual limestone of the Middle Triassic Lanmu Formation in the Baise Basin. The results show that the current residual limestone of the Langmu Formation is unevenly distributed in isolated blocks, with a maximum limestone thickness of about 450 m in the Shangfa area. The residual limestone is mainly sparry arenaceous limestone, micritic bioclastic limestone, and bioherm limestone. According to the extensive development of dissolution pores and fissures within the limestones, the limestones can be divided into weathering residual epigenetic zones, seepage zones, and subduction zones in the vertical direction, and multiple karst slope-karst highland-karst slopes in the horizontal direction in an alternating pattern. By analyzing the long-term uplift and differential denudation of the limestones of the Lanmu Formation from the late Indosinian-Yanshan-Early Himalayan movement, it was established a model of karst geomorphology and evolution of the residual limestones of the Lanmu Formation. The study results can provide new ideas for the study of similar residual limestone karst and guides for the prediction of favorable reservoirs in the study area.

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相似文献/References:

[1]刘喜欢,闫一帆,林小兵,等.百色探区中三叠统兰木组沉积相研究[J].复杂油气藏,2021,14(04):9.[doi:10.16181/j.cnki.fzyqc.2021.04.002]
 LIU Xihuan,YAN Yifan,LIN Xiaobing,et al.Study on sedimentary facies of middle Triassic Lanmu Formation in Baise exploration area[J].Complex Hydrocarbon Reservoirs,2021,14(01):9.[doi:10.16181/j.cnki.fzyqc.2021.04.002]

备注/Memo

备注/Memo:
收稿日期:2022-11-30;改回日期:2023-02-15。
第一作者简介:闫怡帆(1998—),女,硕士研究生在读,地质学、沉积学专业,E-mail:yanyf1023@163.com。
基金项目:中国石化江苏油田科技项目“百色探区油气富集规律及目标优选”(JS19002)。
更新日期/Last Update: 2023-06-01