[1]杨晓兰.基于正演模型的地震相识别溶洞充填技术—以塔河油田12区东奥陶系储层为例[J].复杂油气藏,2019,12(02):17-21.[doi:10.16181/j.cnki.fzyqc.2019.02.004]
 YANG Xiaolan.Cavern filling identification technique of seismic faciesbased on forward modeling: a case study on the Ordovicianreservoirs in eastern block 12 of Tahe Oilfield[J].Complex Hydrocarbon Reservoirs,2019,12(02):17-21.[doi:10.16181/j.cnki.fzyqc.2019.02.004]
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基于正演模型的地震相识别溶洞充填技术—以塔河油田12区东奥陶系储层为例()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
12卷
期数:
2019年02期
页码:
17-21
栏目:
油气勘探
出版日期:
2019-06-25

文章信息/Info

Title:
Cavern filling identification technique of seismic faciesbased on forward modeling: a case study on the Ordovicianreservoirs in eastern block 12 of Tahe Oilfield
作者:
杨晓兰
中国石化集团国际石油勘探开发有限公司,北京 100029
Author(s):
YANG Xiaolan
SINOPEC International E&P Company,Beijing 100029,China
关键词:
缝洞型储层 充填识别 正演模型 地震相 奥陶系 塔河油田
Keywords:
fractured-cavity reservoirs filling identification forward modeling seismic facies Ordovician Tahe Oilfield
分类号:
TE122
DOI:
10.16181/j.cnki.fzyqc.2019.02.004
文献标志码:
A
摘要:
尝试采用正演和地震相方法对塔河油田12区东奥陶系埋深较大的碳酸盐岩岩溶缝洞型储层的充填性进行识别。根据该区地层和缝洞特征,建立精细的地层模型; 并根据缝洞的大小、发育位置、充填性建立相应的溶洞充填性地质模型; 在此基础上,建立了8种类型溶洞充填地质剖面,通过正演获得相应的地震剖面; 将正演获得的地震剖面与实钻井剖面进行对比,获得不同类型溶洞在地震相上的响应特征。统计表明,应用基于正演模型的地震相识别溶洞充填性的可靠程度达86%,为该区建立起一套有效的缝洞充填性识别方法。
Abstract:
Forward modeling and seismic facies were used to identify the cavern fillings of deep buried Ordovician carbonate karst reservoirs in the eastern Block 12 of Tahe oilfield. Accurate strata models were built firstly according to the formations and characteristics of fractures and caves. Based on the sizes, development positions and fillings of fractures and caves, eight kinds of geologic models with cavern fillings were established. Then, the eight corresponding seismic sections were obtained by forward modeling. Through comparing the forward seismic sections with the real drilling profiles, the seismic facies response characteristics of various caves with different fillings were concluded. By statistics, the reliability of using seismic facies based on forward modeling to identify karst cavern fillings can reach 86%. An effective identification method of fracture-cave fillings was established.

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备注/Memo

备注/Memo:
收稿日期:2018-12-29; 改回日期:2019-02-20。作者简介:杨晓兰(1973—),女,博士,主要从事国际油气勘探工作。E-mail:xiaolanyang.sipc@sinopec.com。
基金项目:中国石化西北油田分公司项目《塔河油田12区东奥陶系缝洞充填程度研究》(34400000-13-ZC0607-0004)。
更新日期/Last Update: 2019-06-25