[1]王建峰a,邓光校b,李涛a,等.塔河油田奥陶系碳酸盐岩古岩溶塌陷体特征及成因[J].新疆石油地质,2017,(04):385.[doi:10.7657/XJPG20170402]
 WANG Jianfenga,DENG Guangxiaob,LI Taoa,et al.Characteristics and Genesis of Paleo-Karst Collapses in Ordovician Carbonate Rocks, Tahe Oilfield[J].Xinjiang Petroleum Geology,2017,(04):385.[doi:10.7657/XJPG20170402]
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塔河油田奥陶系碳酸盐岩古岩溶塌陷体特征及成因()
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《新疆石油地质》[ISSN:1001-3873/CN:65-1107/TE]

卷:
期数:
2017年04期
页码:
385
栏目:
出版日期:
2017-08-01

文章信息/Info

Title:
Characteristics and Genesis of Paleo-Karst Collapses in Ordovician Carbonate Rocks, Tahe Oilfield
文章编号:
1001-3873(2017)04-0385-07
作者:
王建峰1a邓光校1b李涛1a门红坤2 张子壹2
(1.中国石化 西北油田分公司 a.油气开发管理部;b.勘探开发研究院,乌鲁木齐 830011;2.中国地质大学 能源学院,北京 100083)
Author(s):
WANG Jianfeng1a DENG Guangxiao1b LI Tao1a MEN Hongkun2 ZHANG Ziyi2
(1.Sinopec Northwest Oilfield company, a.Petroleum Development and Management Department; b.Research Institute of Exploration and Development, Urumqi, Xinjiang 830011, China; 2.School of Energy Resources, China University of Geosciences, Beijing 100083, China)
关键词:
塔河油田奥陶系缝洞碳酸盐岩溶洞岩溶塌陷成因类型
Keywords:
Tahe oilfield Ordovician fracture and cave carbonate rock karst cave karst collapse genetic type
分类号:
TE112.221
DOI:
10.7657/XJPG20170402
文献标志码:
A
摘要:
奥陶系碳酸盐岩缝洞型储集体是塔河油田主要的含油气储集体,因古溶洞系统垮塌而形成的塌陷体是重要的岩溶改造类型之一。针对碳酸盐岩塌陷体识别方法不健全、成因认识不清的现状,运用岩心、常规测井、成像测井、地震反射结构和生产动态特征进行分析研究,提出一套适用于缝洞型油藏岩溶塌陷体的识别方法,并建立了相应的识别标准。通过对岩溶塌陷体成因分析,将塔河油田岩溶塌陷体划分为断裂诱导塌陷体、上覆地层负载塌陷体和后期表生岩溶塌陷体3种成因类型。通过对塔河油田缝洞型油藏122个塌陷体开发效果统计分析,认为后期表生岩溶塌陷体缝洞发育,最具油气开发潜力。
Abstract:
Fracture-caved reservoirs in Ordovician carbonate rocks are the main oil and gas reservoirs in Tahe oilfield and the collapse resulted from the subsidence of ancient cave systems is one of the important types of the late karst reformation. Using the data of core, conventional logging, imaging logging, seismic reflection configuration and production performance, the paper analyzes and studies the identification method and the genesis of the collapse in carbonate rocks, presents a set of identification methods applicable to the karst collapses of fracture-caved reservoirs and establishes the corresponding identification criteria for them. Based on the genetic analysis, the karst collapses in Tahe oilfield can be classified into 3 genetic types including fracture induced collapse, overlying stratum load collapse and late-stage hypergene karst collapse. The statistics of 122 collapses of the fracture-caved reservoirs in Tahe oilfield show that the late-stage hypergene karst collapse has the greatest potential for oil and gas development due to the developed fractures and caves within the reservoir.

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更新日期/Last Update: 2017-08-08