[1]钱玉萍,王文文,侯振学,等.纵波走时层析成像技术在非常规储层压裂评价中的应用[J].测井技术,2018,42(04):427-432.[doi:10.16489/j.issn.1004-1338.2018.04.011]
 QIAN Yuping,WANG Wenwen,HOU Zhenxue,et al.Application of Compressional Wave Velocity Tomographic Reconstruction on Fracturing Evaluation of Unconventional Reservoirs[J].WELL LOGGING TECHNOLOGY,2018,42(04):427-432.[doi:10.16489/j.issn.1004-1338.2018.04.011]
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纵波走时层析成像技术在非常规储层压裂评价中的应用()
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《测井技术》[ISSN:1004-1338/CN:61-1223/TE]

卷:
第42卷
期数:
2018年04期
页码:
427-432
栏目:
非常规油气评价
出版日期:
2018-09-05

文章信息/Info

Title:
Application of Compressional Wave Velocity Tomographic Reconstruction on Fracturing Evaluation of Unconventional Reservoirs
文章编号:
1004-1338(2018)04-0427-06
作者:
钱玉萍 王文文 侯振学 成家杰 祁晓
中海油田服务股份有限公司油田技术事业部, 河北 燕郊 065201
Author(s):
QIAN Yuping WANG Wenwen HOU Zhenxue CHENG Jiajie QI Xiao
Well-Tech Department of China Oilfield Services Limited, Yanjiao, Hebei 065201, Chian
关键词:
测井评价 非常规储层 层析成像 脆性 压裂效果 径向速度剖面
Keywords:
Keywords: log evaluation unconventional reservoir tomography brittleness fracturing performance radial velocity profile
分类号:
P631.84
DOI:
10.16489/j.issn.1004-1338.2018.04.011
文献标志码:
A
摘要:
应用声波各向异性评价储层压裂效果的传统方法存在很多局限性,为了满足储层压裂效果评价的需求,引入了纵波走时层析成像技术。受钻井、工程压裂等影响,井壁附近的地层弹性波速度与远离井壁处的原状地层的速度相比有较大的变化,应用纵波走时可以对井壁附近的径向速度变化进行层析成像,获取井壁附近地层的径向速度剖面,用来确定钻井及工程压裂在地层中造成的破损范围的大小进而预测岩石脆性以及评价压裂效果。速度剖面在评价压裂效果方面与传统的各向异性方法对比体现了独有优势,当传统的各向异性方法评价压裂效果失效时,应用速度剖面可以很好地评价储层的压裂效果; 压裂效果的好坏与压前的脆性指示有较好的一致性。
Abstract:
Abstract: The traditional methods for evaluating the reservoir fracturing performance using acoustic anisotropy have many limitations. In order to meet the requirements of evaluation of reservoir fracture performance, compressional wave travel time tomography is introduced. Affected by drilling and fracturing, the elastic wave velocity near the wellbore has a large change compared with the velocity of the undisturbed formation far from the wellbore. The compressional wave travel can be used to conduct tomography of the radial velocity changes near the wellbore, so as to obtain the radial velocity profile of the formation near the wellbore. The radial velocity profile is then used to determine the extent of damage caused by drilling and fracturing in the formation and to predict rock brittleness and evaluate the fracturing performance. The velocity profile has a unique advantage in evaluating fracturing performance when compared with the traditional anisotropic method. When the traditional anisotropic method fails, the velocity profile can be applied toevaluate the fracturing performance of the reservoir. The fracturing performance is in good consistency with the brittleness indication before fracturing.

参考文献/References:

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备注/Memo

备注/Memo:
第一作者: 钱玉萍,女,1989年生,工程师,硕士研究生,从事声波测井研究。E-mail:xiaoping198908@126.com
更新日期/Last Update: 2018-09-05