[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):9-14.[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(04):9-14.[doi:10.16181/j.cnki.fzyqc.2021.04.002]
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百色探区中三叠统兰木组沉积相研究()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
14卷
期数:
2021年04期
页码:
9-14
栏目:
油气勘探
出版日期:
2021-12-25

文章信息/Info

Title:
Study on sedimentary facies of middle Triassic Lanmu Formation in Baise exploration area
作者:
刘喜欢1闫一帆2林小兵2杨芝文1
1.中国石化江苏油田分公司勘探开发研究院,江苏 扬州225009;2.成都理工大学,四川 成都 610002
Author(s):
LIU Xihuan1YAN Yifan2LIN Xiaobing2YANG Zhiwen1
1.Exploration and Development Research Institute of Jiangsu Oilfield Company,SINOPEC,Yangzhou 225009,China;2. Chengdu University of Technology,Chengdu 610002,China
关键词:
残余灰岩岩性特征沉积环境兰木组百色探区
Keywords:
residual limestonelithologic characteristicssedimentary environmentLanmu FormationBaise exploration area
分类号:
TE132
DOI:
10.16181/j.cnki.fzyqc.2021.04.002
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,但对其沉积相认识一直存在争议。兰木组地层沉积后经历印支晚期—燕山—喜山运动早期的长期隆升及差异剥蚀,现今残余的灰岩呈孤立块状不均匀分布。为了厘清兰木组沉积相特征,基于岩心和野外露头资料,重新开展了兰木组岩性特征及沉积环境分析。结果表明,兰木组纵向上经历了从浅水陆棚—开阔台地—潮坪/局限台地演化的沉积格局。上部发育更多的颗粒滩与礁(丘),滩体具垂向叠置、横向局部连片特征,叠加后期岩溶改造后,可在局部形成有利的优质储层。
Abstract:
Limestone buried hill reservoirs developed in the Lanmu Formation of the middle Triassic are an important area of oil and gas exploration in the Baise Basin,but the understanding of its sedimentary facies has always been controversial. After the deposition of the Lanmu Formation,it experienced long-term uplift and differential denudation during the late Indosinian—Yanshan—early Himalayan movement,and the remaining limestones are now unevenly distributed in isolated masses. In order to clarify the sedimentary facies characteristics of the Lanmu Formation,based on the core and outcrop data,it was carried out again the analysis of the lithological characteristics and sedimentary environment of the Lanmu Formation. The results show that the Lanmu Formation has experienced a depositional pattern that evolves from a shallow-water shelf to an open platform and finally to a tidal flat/limited platform in the vertical direction.There are more grain beaches and reefs (mounds) in the upper part,and the beach bodies have the characteristics of vertical superimposition and lateral partial contiguousness. After superimposed later karst reformation,favorable high-quality reservoirs can be formed locally.

参考文献/References:

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[2]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.[doi:10.16181/j.cnki.fzyqc.2023.01.006]
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备注/Memo

备注/Memo:
收稿日期:2021-04-06;改回日期:2021-09-18。
第一作者简介:刘喜欢(1977—),女,高工,主要从事油气地质勘探研究工作。E-mail:liuxihuan.jsyt@sinopec.com。
基金项目:中国石化江苏油田分公司项目“百色探区油气富集规律及目标优选”(JS19002)。
更新日期/Last Update: 1900-01-01