【正文】
1 982 Production Technology Symposium,Hobbs,New Mexico,November 89.King,S.R.”Liquid C02 for the Stimulation of Low—Permeability Reservoirs,”paper SPE No.1 1 6 1 6 presented at the 1983 SPE/DOE Symposium on Low Permeability,Denver,Colorado,March 14—16.Sinai,M.L.a(chǎn)nd Lancaster,G.”Liquid C02 Fracturing:Advantages and Limitations,”JCPT(Septemberto Octoberl 987).Yost,A.B.II,Mazza,R.L.,Remington,R.E.”Analysis of Production Response to C02/Sand Fracturing:A Case Study,paper SPE No.29 1 9 1 presented at the 1 994 Eastern RegionalMeeting, Charleston,November 81 0.S.M.Campbell and N.R.Fairchild,Jr.Liquid C02 and Sand Stimulations in the Lewis Shale,SanJuan Basin,New Mexico:A Case Study,SPE 603 1 7.R.L.Mazza Liquid—Free C02/Sand Stimulations:An Overlooked Technology—Production。Update,SPE72383:Adaptability study of Liquid C02 and N2/C02 Stimulations in the Changqing gas fieldSONG Zhengyun PAN Xinwei LI Zhi—hang LI Yong(Research Institute of Engineering Technology of Changqing Petroleum Exploration Bun.a(chǎn)u) Abstract:The distinct characteristic of Liquid C02 and N2/C02 Stimulations technology is it’S frae fluid free of aqueous phase.The technology avoid gas permeability damage of lowpressure and low—permeability reservoir.Exceed 1000 wells have adopted this technology in overseas,the effect of increase production is very distinctness.Changqing gas field is a typical lowpressure and lowpermeability reservoir,has strong ability of spontaneous imbibition and strong water blocking effect.In this way,Liquid C02 and N2/C02 Stimulations technology is adapt to the reservoir.Flow behavior of Liquid C02 and N2/C02 is researched and acquired parameter of frac design and execution.Key words:Liquid C02 and N2/C02 Stimulations Changqing gas field water blocking adaptability 作者簡(jiǎn)介:宋振云,1962年生,西安石油學(xué)院畢業(yè),高級(jí):I:程師,總工程師 單位全稱:長(zhǎng)慶彳i油勘探局工程技術(shù)研究院通信地址:陜西省西安市長(zhǎng)慶興隆園小區(qū)長(zhǎng)慶石油勘探 局:l:程技術(shù)研究院郵編:710021電話:029—86594676傳真:029—86591239 E~mail:zhyuns@163.3;鐾摻