[1]李亚辉,冯伊涵,王伟,等. 一种改进的非均质底水气藏水平井产出动态预测方法[J].油气井测试,2021,30(05):1-8.[doi:10.19680/j.cnki.1004-4388.2021.05.001]
 LI Yahui,FENG Yihan,WANG Wei,et al. An improved production performance prediction method for horizontal wells in heterogeneous bottom water gas reservoirs[J].Well Testing,2021,30(05):1-8.[doi:10.19680/j.cnki.1004-4388.2021.05.001]
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 一种改进的非均质底水气藏水平井产出动态预测方法()
分享到:

《油气井测试》[ISSN:1006-6977/CN:12-1485/TE]

卷:
30卷
期数:
2021年05期
页码:
1-8
栏目:
出版日期:
2021-10-25

文章信息/Info

Title:
 

An improved production performance prediction method for horizontal wells in heterogeneous bottom water gas

reservoirs

文章编号:
1004-4388(2021)05-0001-08
作者:
 李亚辉1冯伊涵2王伟1钟吉彬3
 1.榆林学院化学与化工学院 陕西榆林 719000
2.中国石油测井有限公司长庆事业部解释中心 陕西西安 710201
3.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):
LI Yahui1 FENG Yihan2 WANG Wei1 ZHONG Jibin3 
 1.School of Chemistry and Chemical Engineering, Yulin University, Yulin, Shaanxi 719000, China
2.Interpretation Center of Changqing Division, China Petroleum Logging Co., Ltd., Xi′an, Shaanxi 710201, China
3.Exploration and Development Institute, PetroChina Changqing Oilfield Company, Xi′an, Shaanxi 710018, China
关键词:
底水气藏水平井非均质储层拟表皮系数渗透率底水脊进见水时间动态分析
Keywords:

bottom water gas reservoir horizontal well heterogeneous reservoir pseudo skin coefficient

permeability bottom water ridging water breakthrough time dynamic analysis

分类号:
TE353
DOI:
10.19680/j.cnki.1004-4388.2021.05.001
文献标志码:
A
摘要:
 

未考虑渗透率非均质性及井筒附近非达西效应的影响时,底水气藏水平井产出动态预测方法难以确定储层非均质性和气井位置对产能和见水时间的

影响。在镜像反映和势函数的叠加原理基础上,考虑非均质、非达西效应和气-水界面抬升等因素的影响,提出了水平井井筒见水时间及产出剖面预测模型。模拟结果表明,

底水气藏水平井的产能受渗透率非均质性和井筒位置的影响,不考虑非均质拟表皮的影响,将导致产气剖面偏高,非均质性越强产量越低;垂向渗透率越大更有利于提高气井

产气量,而垂向渗透率越小、水平渗透率越大,越利于控制底水脊进;无因次避水高度越大,水平井见水时间越长,水平井生产初期底水脊进速度相对比较均匀,后期将急速

上升。改进的预测方法对底水气藏水平井的开发具有一定的指导意义。

Abstract:
 

Without considering the influence of permeability heterogeneity and nonDarcy effect near

the wellbore, the production performance prediction method of horizontal wells in bottom water gas reservoir is difficult to determine the influence

of reservoir heterogeneity and gas well location on productivity and water breakthrough time. Based on the superposition principle of mirror 

reflection and potential function, considering the influence of heterogeneity, nonDarcy effect and gaswater interface lifting, a prediction

model of water breakthrough time and production profile of horizontal well wellbore is proposed. The simulation results show that the productivity of

horizontal wells in bottom water gas reservoir is affected by permeability heterogeneity and wellbore location. If the influence of heterogeneous

pseudo skin is not considered, the gas production profile will be higher, and the stronger the heterogeneity, the lower the production. The larger

the vertical permeability is, the more favorable it is to improve the gas production of the gas well, while the smaller the vertical permeability is and

the larger the horizontal permeability is, the more favorable it is to control the ridging of bottom water; The larger the dimensionless water avoidance

height is, the longer the water breakthrough time of the horizontal well is. At the initial stage of horizontal well production, the bottom water ridge

velocity is relatively uniform, and will rise rapidly in the later stage. The improved prediction method has certain guiding significance for the

development of horizontal wells in bottom water gas reservoirs.

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[2]聂彬,刘月田.特低丰度薄层油藏水平井开发效果评价体系研究[J].油气井测试,2013,22(05):0.
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备注/Memo

备注/Memo:
 2021-06-08收稿,2021-09-02修回,2021-09-08接受,2021-10-20网络版发表

国家自然科学青年基金项目“低渗透压裂水平气井多场耦合热变规律及裂缝诊断理论研究”(41904128)、

榆林学院高层次人才科研启动基金项目“基于温度(压力)数据的水平气井产出剖面评价技术研究”(18GK23)

李亚辉,男,1987年出生,博士,讲师,2018年毕业于西南石油大学油气田开发工程专业,现从事提高油

气采收率及井筒温度场分布研究工作。电话:0912-3891144;Email:liyahui723@126.com。通信地址:陕西省榆林市崇文路榆林学院化学与化工学院石油工程教研室,邮政

编码:719000。


更新日期/Last Update: 2021-11-25