收稿日期: 2013-11-14
修回日期: 2014-04-24
网络出版日期: 2014-10-10
基金资助
国家“973”“中国南方海相页岩气高效开发的基础研究”(编号：2013CB228000);国家自然科学基金“特低渗油藏天然缝与人工缝耦合作用的渗流机理与模型”(编号：51174215/E0403)联合资助.
Received date: 2013-11-14
Revised date: 2014-04-24
Online published: 2014-10-10
艾爽，程林松，黄世军，傅礼兵，王涛，杜保健，张晋，刘红君 . 页岩气体积压裂水平井非稳态产能评价模型[J]. 天然气地球科学, 2014 , 25(10) : 1661 -1667 . DOI: 10.11764/j.issn.1672-1926.2014.10.1661
Shale reservoir is a typical dual media:extremely low permeability matrix and natural fractures.Flow mechanism in shale matrix is complicated,including adsorption & desorption,diffusion,seepage,while the natural fracture permeability varies as formation pressure decreases.In this paper,a transient productivity model is built for multi-fractured horizontal shale gas wells based on Bello′s model.An analytical solution is obtained by perturbation method and Laplace conversion,with which typical production curves are drawn.The effects of gas adsorption & desorption,diffusion and seepage mechanism in matrix are taken into consideration,and the stress sensitivity of natural fractures is analyzed.The results show that adsorption & desorption and diffusion only affect the early and middle-late period production performance,while the stress sensitivity of natural fracture plays a role during all periods.
［1］Dong Dazhong,Zou Caineng,Li Jianzhong ,et al.Resource potential,exploration and development prospect of shale gas in the whole world[J].Geological Bulletin of China,2011,30(2/3):324-336.［董大忠,邹才能,李建忠,等.页岩气资源潜力与勘探开发前景[J].地质通报,2011,30(2/3):324-336.］
［2］Qiu Zhen,Zou Caineng,Li Jianzhong ,et al.Unconventional petroleum resources assessment:Progress and future prospects[J].Natural Gas Geoscience,2013,24(2):238-246.［邱振,邹才能,李建忠,等.非常规油气资源评价进展与未来展望[J].天然气地球科学,2013,24(2):238-246.］
［3］Zhao Jingzhou.Conception,classification and resource potential of unconventional hydrocarbons[J].Natural Gas Geoscience,2012,23(3):393-406.［赵靖舟.非常规油气有关概念、分类及资源潜力[J].天然气地球科学,2012,23(3):393-406.］
［4］Li Qinghui,Chen Mian,Fred P W ,et al.Influences of engineering factors on shale gas productivity:A case study from the Haynesville shale gas reservoir in North America[J].Natural Gas Industry,2012,32(4):54-59.［李庆辉,陈勉,Fred P W ,et al.工程因素对页岩气产量的影响——以北美Haynesville页岩气藏为例[J].天然气工业,2012,32(04):54-59.］
［5］Bello R O,Wattenbarger R A.Rate Transient Analysis in Naturally Fractured Shale Gas Reservoirs［C］.CIPC/SPE Gas Technology Symposium 2008 Joint Conference,Calgary,Alberta,Canada,16-19 June,2008.
［6］Bello R O,Wattenbarger R A.Modelling and analysis of shale gas production with a skin effect[J].JCPT,2010,49(12):37-48.
［7］Bello R O,Wattenbarger R A.Multi-stage Hydraulically Fractured Horizontal Shale Gas Well Rate Transient Analysis［C］.SPE North Africa Technical Conference and Exhibition,Cairo,Egypt,16-19 June,2008.
［8］Xu Binxiang,Li Xiangfang,Haghighi M ,et al.Production data analysis and productivity forecast of shale gas reservoir[J].Journal of China University of Petroleum,2013,37(3):119-125.［徐兵祥,李相方,Haghighi M,等.页岩气产量数据分析方法及产能预测[J].中国石油大学学报:自然科学版,2013,37(3):119-125.］
［9］Al-Ahmadi H A,Wattenbarger R A,Triple-porosity Models:One Further Step Towards Capturing Fractured Reservoirs Heterogeneity［C］.SPE/DGS Saudi Arabia Section Technical Symposium and Exhibition,Al-Khobar,Saudi Arabia,15-18 May,2011.
［10］Tivayanonda V,Apiwathanasorn S,Ehlig E C ,et al.Alternative Interpretations of Shale Gas/Oil Rate Behavior Using a Triple Porosity Model［C］.SPE Annual Technical Conference and Exhibition,San Antonio,Texas,U.S.A.,8-10 October,2012.
［11］Ozkan E,Brown M,Raghavan,R,et al,Comparison of fractured-horizontal-well performance in tight sand and shale reservoirs[J].SPE Reservoir Evaluation & Engineering,2011,14(2):248-259.
［12］Brohi I,Pooladi-Darvish M,Aguilera R.Modeling Fractured Horizontal Wells As Dual Porosity Composite Reservoirs-Application To Tight Gas,Shale Gas And Tight Oil Cases［C］.SPE Western North American Region Meeting,Anchorage,Alaska,U.S.A.,7-11 May,2011.
［13］Xu B X,Haghighi M,Cooke D ,et al.Development of New Type Curves for Production Analysis in Naturally Fractured Shale Gas/Tight Gas Reservoirs[J].Journal of Petroleum Science and Engineering,2013,105(2):107-115.
［14］Wang F P,Jone A,Katherine G.Pore Networks and Fluid Flow in Gas Shales［C］.SPE Annual Technical Conference and Exhibition,New Orleans,Louisiana,U.S.A.,4-7 October,2009.
［15］Long Pengyu,Zhang Jinchuan,Tang Xuan ,et al.Feature of muddy shale fissure and its effect for shale exploration and development[J].Natural Gas Geoscience,2011,22(3):525-532.［龙鹏宇,张金川,唐玄,等.泥页岩裂缝发育特征及其对页岩气勘探和开发的影响[J].天然气地球科学,2011,22(3):525-532.］
［16］He Jingang,Kang Yili,You Lijun ,et al.Influence of fluid damage on shale reservoir stress sensitivity[J].Natural Gas Geoscience,2011,23(5):915-919.［何金钢,康毅力,游利军,等.流体损害对页岩储层应力敏感性的影响[J].天然气地球科学,2011,23(5):915-919.］
［17］He Jingang,Kang Yili,You Lijun ,et al.Effects of mineral composition and microstructure on stress-sensitivity of mudrocks [J].Natural Gas Geoscience,2012,23(2):129-134.［何金钢,康毅力,游利军,等.矿物成分和微结构对泥质岩储层应力敏感性的影响[J].天然气地球科学,2012,23(2):129-134.］
［18］Deng Jia,Zhu Weiyao,Liu Jinxia ,et al.Productivity prediction model of shale gas considering stress sensitivity [J].Natural Gas Geoscience,2013,24(3):456-460.［邓佳,朱维耀,刘锦霞,等.考虑应力敏感性的页岩气产能预测模型[J].天然气地球科学,2013,24(3):456-460.］
［19］Pedrosa Jr O A.Pressure Transient Response in Stress-Sensitive Formations［C］.SPE California Regional Meeting,Oakland,California,U.S.A.,2-4 April,1986.
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