ZB气田Xu-2气藏水侵方向研究新方法
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摘要
气井水侵将会造成气井产能大幅下降,影响气藏的开发动态。水侵方向的确定和预测是水侵气藏动态分析和预测的一项重要内容。以往学者是主要结合气藏数值模拟和示踪剂监测,了解整体的侵入趋势,该方法只能对整个气藏水侵分析出主体方向。针对水侵气藏开发中后期水侵方向不确定的问题,对ZB气田Xu-2气藏的水侵方向通过势的叠加原理,引入水侵势函数用以描述气井水侵,计算出每口井的水侵方向。结果表明,水侵方向与前面两个研究的结果一致;且该方法可以一定地预测出小部分水体的入侵方向,并可以运用在其他类似气藏。
Water invasion of gas well will greatly reduce gas well productivity and affect gas reservoir development. It is important content in the dynamic analysis and prediction of watered out gas reservoir that the water invasion direction is determined and predicted. In the past,scholars mainly combined the numerical simulation of gas reservoir and tracer monitoring in order to understand the overall invasion trend,which could only analyze the main direction for water invasion throughout the whole gas reservoir. Aiming at the problem of uncertain water intrusion direction,in the middle and late stage of development of watered out gas resrevoir,the water invasion potential function was introduced to describe water invasion of gas well by using the potential superposition principle for water invasion in Xu-2 gas reservoir. The water intrusion direction of each well were caculated. The results show that the water intrusion direction is consistent with the result of the previous two studies. This method can predict the intrusion direction of a small part of water body to some extent,and can be applied to other similar gas reservoirs.
Water invasion of gas well will greatly reduce gas well productivity and affect gas reservoir development. It is important content in the dynamic analysis and prediction of watered out gas reservoir that the water invasion direction is determined and predicted. In the past,scholars mainly combined the numerical simulation of gas reservoir and tracer monitoring in order to understand the overall invasion trend,which could only analyze the main direction for water invasion throughout the whole gas reservoir. Aiming at the problem of uncertain water intrusion direction,in the middle and late stage of development of watered out gas resrevoir,the water invasion potential function was introduced to describe water invasion of gas well by using the potential superposition principle for water invasion in Xu-2 gas reservoir. The water intrusion direction of each well were caculated. The results show that the water intrusion direction is consistent with the result of the previous two studies. This method can predict the intrusion direction of a small part of water body to some extent,and can be applied to other similar gas reservoirs.
引文
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8王丽娟.多分支井试井解释模型和数值计算方法研究[D].成都:西南石油大学,2011Wang Lijuan.Research on multi-branch well test interpretation model and numerical calculation method[D].Chengdu:Southwest Petroleum University,2011
9张伦友,李江.水驱气藏动态储量计算的曲线拟合法[J].天然气工业,1998(2):26-29Zhang Lunyou,Li Jiang.Curve fitting method for dynamic reserves calculation of water drive gas reservoir[J].Natural Gas Industry,1998(2):26-29
10 Fevang O,Whitson C H.Modeling gas-condensate deliverability[C]//1995 SPE Annual Tec hnical Conference and Exhibition.Dallas:Society of Petroleum Engineers,1995:22-25
11黄炳光,刘蜀知.实用油藏工程与动态分析方法[M].北京:石油工业出版社,1997:31-33Huang Bingguang,Liu Shuzhi.Practical reservoir engineering and dynamic analysis method[M].Beijing:Petroleum Industry Press,1997:31-33
2刘俊丰,朱秋琳,聂鹏程,等.示踪剂在涩北气田边水推进监测中的应用[J].油气田地面工程,2014(12):118-120Liu Junfeng,Zhu Qiulin,Nie Pengcheng,et al.Application of tracer in the monitoring of SeBei field's edge water propulsion[J].Oil-Gas Field Surface Engineering,2014,(12):118-120
3万小进.普光气田主体气藏水侵规律及控水对策研究[D].重庆:重庆科技学院,2015Wan Xiaojin.Study on water invasion regulars and water control countermeasures in the main gas reservoir of Puguang Gas Field[D].Chongqing:Chongqing University of Science and Technology,2015
4张子为.靖边气田富水区水侵量计算及防治对策研究[C]//第十四届宁夏青年科学家论坛石化专题论坛论文集.银川:宁夏回族自治区科学技术协会,《石油化工应用》杂志社,2018:6Zhang Ziwei.Study on water invasion calculation and prevention countermeasures in the water-rich area of Jingbian Gas Field[C]//The Proceedings of 14th Ningxia Young Scientist Petrochemical Topic.Yinchuan:Science and Technology Association of Ningxia Hui Autonomous Region,Petrochemical Industry Application,2018:6
5邓夏.ZB气田Xu-2气藏酸化工艺技术实践[D].成都:西南石油大学,2016Deng Xia.Practice of acidizing technology in Xu-2 gas reservoir of Zhongba[D].Chengdu:Southwest Petroleum University,2016
6冯程,毛志强,石玉江,等.姬塬油田长82段地层水矿化度平面分布主控因素及地质意义[J].测井技术,2016,40(2):239-243Feng Cheng,Mao Zhiqiang,Shi Yujiang,et al.Main controlling factors and geological significance of salinity plane distribution of formation water in Chang 82section of Jiyuan Oil Field[J].Logging Technology,2016,40(2):239-243
7邓勇.双碑隧道富水段开挖渗流特征分析[D].重庆:重庆交通大学,2014Deng Yong.Analysis of excavation seepage characteristic in the water-rich section of Shuangbei tunnel[D].Chongqing:Chongqing Jiaotong University,2014
8王丽娟.多分支井试井解释模型和数值计算方法研究[D].成都:西南石油大学,2011Wang Lijuan.Research on multi-branch well test interpretation model and numerical calculation method[D].Chengdu:Southwest Petroleum University,2011
9张伦友,李江.水驱气藏动态储量计算的曲线拟合法[J].天然气工业,1998(2):26-29Zhang Lunyou,Li Jiang.Curve fitting method for dynamic reserves calculation of water drive gas reservoir[J].Natural Gas Industry,1998(2):26-29
10 Fevang O,Whitson C H.Modeling gas-condensate deliverability[C]//1995 SPE Annual Tec hnical Conference and Exhibition.Dallas:Society of Petroleum Engineers,1995:22-25
11黄炳光,刘蜀知.实用油藏工程与动态分析方法[M].北京:石油工业出版社,1997:31-33Huang Bingguang,Liu Shuzhi.Practical reservoir engineering and dynamic analysis method[M].Beijing:Petroleum Industry Press,1997:31-33
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