开关井对气井井下管柱及气藏安全性的影响分析

X1,2(1.,710018;2.,710065):,,,,,:,,;,,,,:;;;;,,,;(),,,,1,,,1,,,1,,(73mm5.51mm88.9mm6.45mmN80,12500m),1,(030MPa),,1m,110KN,2,,,(105),,2,,110KN,110KN,(1MPaö100m),,3,,,(50),,,,(5020MPa),,0.9m,100KN,,,;,721200814X:2008-05-12:(1963),1984;©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.(),3,100KN,,4,,,,,,,,,,,,,,,,,,;,,,,,;,,,,,,,,,,,,5,,,,,,,,,,,,,,,,,,,,,6,,,,,,7(1),,(2),,,,[1],..,2007,30(5):17-20.[2].[M].:,2001:72-80.[3],.[M].:,1983:35-48.[4].[M].:,2005:18-52.AnAnalysesfortheSafetyofTubingStringsandGasReservoirsduringProducingandClosingFUYin-can1,DOUYi-hua2(1.ChangqingDrillingCompanyofChuanqingDrillingCorporation,Xian,710018,China;2.XianShiyouUniversity,Xian710065,China)Abstract:Thetemperatureandpressureofgaswellschangeduringproducingandclosing.Withthechangingoftemperatureandpressure,thedeformationandloadsexertedontubingstringsaswellasthepressureandfluidsofgasreservoirschangealso,resultinginsafetyconcerns.Thispaperanalyzedtheinfluencesofproducingandclosingtotubingstrings,parkersandgasreservoirs,takingShanbeigasfieldasanexample.Itwasfoundthatthechangingoftemperatureandpressureofgaswellsduringproducingandclosingresultedinthechangingofdeformationandloadsexertedontubingstringsaswellasthepressureandfluidsofgasreservoirs,butdidnotresultinsafetyproblems.Keywords:Producingandclosing;Gaswell;Tubularstring;Gasreservoir;Safety821200814©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.