[1]许峰,于伟强,李伦.基于双重介质复合气藏模型的潜山储层试井解释方法[J].油气井测试,2019,28(03):7-13.[doi:10.19680/j.cnki.2019.03.002]
　XU Feng,YU Weiqiang,LI Lun.Well test interpretation method for buried hill reservoir based on dual medium composite gas reservoir model[J].Well Testing,2019,28(03):7-13.[doi:10.19680/j.cnki.2019.03.002]
点击复制

基于双重介质复合气藏模型的潜山储层试井解释方法()
分享到：

《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
28
期数:
2019年03期
页码:
7-13
栏目:
出版日期:
2019-06-25

文章信息/Info

Title:
Well test interpretation method for buried hill reservoir based on dual medium composite gas reservoir model
文章编号:
1004-4388(2019)03-0007-07
作者:
许峰1; 于伟强1; 李伦2
1.中法渤海地质服务有限公司 天津 300452
2.中国石油集团渤海钻探工程有限公司井下技术服务分公司 天津 300283
Author(s):
XU Feng1;  YU Weiqiang1;  LI Lun2
1.ChinaFrance Bohai Geoservices Co．，Ltd., Tianjin 300452, China
2.Downhole Technology Service Company, CNPC Bohai Drilling Engineering Company Limited, Tianjin 300283, China
关键词:
潜山储层;  双重介质;  复合模型;  试井解释;  探测半径;  压力动态特征;  储能比;  窜流系数
Keywords:
buried hill reservoir;  dual medium;  composite model;  well test interpretation;  detection radius;  pressure dynamic characteristics;  energy storage ratio;  turbulence coefficient
分类号:
TE353
DOI:
10.19680/j.cnki.2019.03.002
文献标志码:
A
摘要:
 
渤中凹陷某区块太古界潜山储层存在裂缝发育，气藏在径向和纵向上非均质性强，单纯采用双孔、径向复合等模型存在一定的局限性。通过建立适合本区块潜山储层的双重孔隙介质复合气藏模型，求取模型的Laplace空间解，经过Stehfest数值反演求得井底压力解析解，并对相关影响参数进行敏感性分析。结果表明，内外区储能比主要影响导数曲线过渡段下凹的深度；内外区窜流系数主要影响导数曲线下凹的相对位置，且内区窜流系数足够小时，内区系统拟径向流段和外区流动阶段部分特征会被掩盖。利用该模型对渤中凹陷潜山储层BZA1、BZA2井试井资料进行解释，得到两井内、外区界面半径分别为793 m和926 m，试井解释曲线拟合程度较好，为该区气藏的储层评价和动态开发提供了依据。
Abstract:
he reservoirs of the Archean buried hills in a block in the Bozhong sag have the characteristics of fracture development, and the gas reservoirs were characterized by high heterogeneity in the radial and longitudinal directions. Therefore, the use of dualpore or radial composite models for well test interpretation has certain limitations. In order to solve this problem, a dualpore composite gas reservoir model suitable for the buried hill reservoir of this block was established and the Laplace spatial solution of the model was obtained. Then the spatial solution can be inversed by Stehfest numerical to obtain the analytical solution of the bottom hole pressure, so as to analyze the sensitivity of the relevant influence parameters. The results showed that the energy storage ratio of the inner and outer zones mainly affected the depth of the concave section of the derivative curve; the turbulence coefficient of the inner and outer zone mainly affected the relative position of the concave curve in the derivative curve. When the inner zone turbulence coefficient is small enough, some features of the inner zone system′s pseudoradial flow zone and outer zone flow phase would be masked. The well test data of well BZA1 and well BZA2 in the buried hill reservoir of the Bozhong Sag were interpreted by the model and the result showed that the interface radius of the inner and outer zones of the two wells were 793 m and 926 m respectively, and the fit degree of well test interpretation curve was better. The new method provided a basis for reservoir evaluation and dynamic development of gas reservoirs in this area.

相似文献/References:

[1]康莉霞,叶礼友,刘华勋,等.碳酸盐岩气藏的渗流模型和产量递减分析方法[J].油气井测试,2019,28(05):8.[doi:10.19680/j.cnki.1004-4388.2019.05.002]
　KANG Lixia,YE Liyou,LIU Huaxun,et al.Percolation model and production decline analysis method for carbonate gas reservoirs[J].Well Testing,2019,28(03):8.[doi:10.19680/j.cnki.1004-4388.2019.05.002]
[2]周道禧,张兴华,陈光峰. 渤海A太古界潜山试井曲线特征[J].油气井测试,2022,31(02):67.[doi:10.19680/j.cnki.1004-4388.2022.02.012]
　ZHOU Daoxi,ZHANG Xinghua,CHEN Guangfeng. Well testing curve characteristics of Archaean buried hill in Bohai A[J].Well Testing,2022,31(03):67.[doi:10.19680/j.cnki.1004-4388.2022.02.012]
[3]辛小军,马少华,徐杨,等.深水潜山气井异常压力恢复数据校正方法[J].油气井测试,2025,34(01):1.[doi:10.19680/j.cnki.1004-4388.2025.01.001]

备注/Memo

备注/Memo:
2018-12-12 收稿，2019-03-01 修回，2019-03-14 接受，2019-06-20 网络版发表
许峰，男，工程师，1997年毕业于天津化工学院热能工程专业，现主要从事油藏动态监测和试井解释研究工作。电话：022-25809851；Email:xufeng@cfbgc.com。通信地址：天津市塘沽区东沽石油新村548信箱，邮政编码：300452。
更新日期/Last Update: 2019-07-03