[1]罗少成,赵伟波,林伟川,等.基于岩性分析的复杂气水识别方法[J].测井技术,2019,43(03):252-256.[doi:10.16489/j.issn.1004-1338.2019.03.006]
 LUO Shaocheng,ZHAO Weibo,LIN Weichuan,et al.Complex Gas and Water Identification Based on Lithologic Analysis[J].WELL LOGGING TECHNOLOGY,2019,43(03):252-256.[doi:10.16489/j.issn.1004-1338.2019.03.006]
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基于岩性分析的复杂气水识别方法()
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《测井技术》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第43卷
期数:
2019年03期
页码:
252-256
栏目:
方法研究
出版日期:
2019-08-30

文章信息/Info

Title:
Complex Gas and Water Identification Based on Lithologic Analysis
文章编号:
1004-1338(2019)03-0252-05
作者:
罗少成1 赵伟波2 林伟川1 刘燕2 周丽艳1 杨超超1
(1.中国石油集团测井有限公司测井应用研究院, 陕西 西安 710077; 2.中国石油长庆油田分公司勘探开发研究院, 陕西 西安 710018)
Author(s):
LUO Shaocheng1 ZHAO Weibo2 LIN Weichuan1 LIU Yan2 ZHOU Liyan1 YANG Chaochao1
(1. Logging Applications Institute, China Petroleum Logging CO. LTD., Xi'an, Shaanxi 710077, China; 2. Research Institute of Petroleum Exploration & Development, PetroChina Changqing Oilfield Company, Xi'an, Shaanxi 710018, China)
关键词:
图版法 气水识别 岩性识别 石英砂岩 岩屑石英砂岩
Keywords:
chart gas and water identification lithology identification quartz sandstone lithic quartz sandstone
分类号:
P631.84
DOI:
10.16489/j.issn.1004-1338.2019.03.006
文献标志码:
A
摘要:
A气田B段储层以石英砂岩和岩屑石英砂岩为主,含少量的岩屑砂岩。不同砂岩类型的气层电阻率下限值不同,以电阻率为主的气水识别图版法适应性差,易导致部分石英砂岩储层解释偏高和岩屑石英砂岩储层解释偏低。基于实验室的岩矿分析资料以及测井响应特征,优选反映储层岩性的敏感性测井曲线,采用模糊综合评价方法建立补偿密度、光电吸收截面指数和深侧向电阻率等3条测井曲线与石英相对百分含量之间的非线性映射关系,实现了岩性识别的快速定量评价。在岩性识别基础上,分岩性建立电阻率和声波时差的气水识别图版,给出不同岩性的气层下限。应用不同岩性的交会图版对42口新井进行流体识别,经13个层位试气验证,解释符合率达到了84.62%,应用效果较好,有一定的推广应用价值。
Abstract:
The reservoir in the B interval of A gas field is mainly composed of quartz sandstone and lithic quartz sandstone, and a small amount of lithic sandstone. Since different types of sandstone have different lower gas layer resistivity, the crossplot chart based on resistivity is invalid, it makes higher resistivity of quartz sandstone and lower resistivity of lithic quartz sandstone. In this paper, based on the laboratory data of rock minerals and the characteristics of logging response, the sensitivity logging curve that reflects reservoir lithology is optimized, and the nonlinear mapping relationship between three curves, i. e. DEN(compensative density), Pe(optoelectronic absorption cross section)and Rt(deep lateral resistivity), and relative quartz content is established by fuzzy comprehensive evaluation, to realize rapid quantitative evaluation of reservoir lithology. Then gas and water identification charts are built based on resistivity and AC data, and the lower limits of different gas reservoirs are proposed. Applied in 42 new wells, the chart provided the result of fluid identification coinciding with the tested result of 13 layers by 84.62%. The good application indicates the method is worthy popularization.

参考文献/References:

[1] 刘春雷. 鄂尔多斯盆地东部本溪组沉积体系研究 [D]. 西安: 西北大学, 2012. [2] 罗少成, 成志刚, 林伟川, 等. 模糊综合评价法在致密储层物性预测中的应用 [J]. 测井技术, 2014, 38(4): 431-436. [3] 许长福, 李雄炎, 周金昱, 等. 岩性油藏特征制约下超低渗透油层快速识别方法与模型 [J]. 中南大学学报(自然科学版), 2012, 43(1): 265-271. [4] 邓亚梅, 胡望水, 周琪, 等. 伊通盆地梁家构造带永二段储层流体识别研究 [J]. 科学技术与工程, 2016, 16(35): 140-147. [5] 赵忠军, 黄强东, 石林辉, 等. 基于BP神经网络算法识别苏里格气田致密砂岩储层岩性 [J]. 测井技术, 2015, 39(3): 363-367. [6] SY/T 5368—2000, 岩石薄片鉴定标准 [S]. 国家石油和化学工业局. 2000-10-01.

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备注/Memo

备注/Memo:
基金项目: 中国石油天然气股份有限公司重大科技专项“鄂尔多斯盆地古生界天然气富集规律及勘探目标优选”(2016E-0502) 第一作者: 罗少成,男,1983年生,硕士,高级工程师,从事测井应用研究工作。E-mail:lsc0222@126.com
更新日期/Last Update: 2019-08-30