[1]袛淑华,袁 龙,张荣新,等.川东北地区钙屑砂岩储层裂缝识别及有效性评价[J].复杂油气藏,2022,15(01):23-29.[doi:10.16181/j.cnki.fzyqc.2022.01.005]
 DI Shuhua,YUAN Long,ZHANG Rongxin,et al.Fracture identification and effectiveness evaluation of calcium-clastic sandstone reservoirs in northeastern Sichuan[J].Complex Hydrocarbon Reservoirs,2022,15(01):23-29.[doi:10.16181/j.cnki.fzyqc.2022.01.005]
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川东北地区钙屑砂岩储层裂缝识别及有效性评价()
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《复杂油气藏》[ISSN:1674-4667/CN:31-2019/TQ]

卷:
15卷
期数:
2022年01期
页码:
23-29
栏目:
油气勘探
出版日期:
2022-03-25

文章信息/Info

Title:
Fracture identification and effectiveness evaluation of calcium-clastic sandstone reservoirs in northeastern Sichuan
作者:
袛淑华1袁 龙1张荣新1葸春平2曹 原1贺彤彤3
1.中国石油集团测井有限公司测井应用研究院,陕西 西安 710021;2. 中国石油集团测井有限公司长庆分公司,陕西 西安 710021;3. 中国石油长庆油田第九采油厂,宁夏 银川 750000
Author(s):
DI Shuhua1YUAN Long1ZHANG Rongxin1XI Chunping2CAO Yuan1HE Tongtong3
1. Logging Application Research Institute,China Petroleum Logging CO. LTD.,Xi’an 710021,China;2.Changqing Branch Company,China Petroleum Logging CO. LTD.,Xi’an 710021,China;3. Ninth Oil Production Plant,Petrochina Changqing Oilfield,Yinchuan750000,China
关键词:
钙屑砂岩裂缝识别三孔隙度指数时频分析裂缝有效性
Keywords:
calcareous sandstonecrack identificationthree porosity indextime-frequency analysisthe effectiveness of fractures
分类号:
P631
DOI:
10.16181/j.cnki.fzyqc.2022.01.005
文献标志码:
A
摘要:
川东北地区须家河组三段钙屑砂岩储层大多需要酸化压裂改造才能获得产能,微裂缝、裂缝发育对改善储层的储集性和渗流性起到非常重要的作用,也是储层有效性评价的基础。利用常规测井资料建立了三孔隙度指数法和时频分析法来识别裂缝,同时,综合成像测井资料形成钙屑砂岩储层的裂缝识别模式。结合测试资料,利用裂缝孔隙度、张开度及裂缝密度等参数来综合评价裂缝有效性,探索并建立了川东北地区钙屑砂岩储层综合评价标准,在油田的现场应用中取得了良好效果。
Abstract:
In the northeastern Sichuan Basin,most of the calcareous sandstone reservoirs of the third member of the Xujiahe Formation require acid fracturing to be productive. Microfractures and fractures serve a critical role in enhancing reservoir storage and permeability,as well as serving as the foundation for evaluating reservoir effectiveness.To identify fractures,a three-porosity index method and a time-frequency analysis method were developed using traditional logging data. At the same time,comprehensive imaging logging data was used to establish a fracture identification model for calcareous sandstone reservoirs.To completely evaluate the fracture efficiency,parameters such as fracture porosity,openness,fracture density,etc.,were used combined with the test data,and a comprehensive evaluation standard for calcareous sandstone reservoirs in northeastern Sichuan was researched and established. Field applications in oilfields have yielded good results.

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相似文献/References:

[1]董国良,周文,高伟平,等.川西坳陷新场气田须家河组二段储层裂缝特征及识别[J].复杂油气藏,2012,(02):5.

备注/Memo

备注/Memo:
收稿日期:2021-10-11;改回日期:2022-01-19。
第一作者简介:袛淑华(1968—),女,高级工程师,研究方向为测井资料综合评价及应用。E-mail:dsh_hy@163.com。
项目基金:中国石油天然气集团公司“十三五”科技重大专项“低对比度油气层测井识别技术研究与应用”(2019D-3809)。
更新日期/Last Update: 1900-01-01