API-5CT油套管标准规范(英文版)

SpecificationforCasingandTubingAPISPECIFICATION5CTNINTHEDITION,JULY2011EFFECTIVEDATE:JANUARY1,2012SpecificationforCasingandTubingUpstreamSegmentAPISPECIFICATION5CTNINTHEDITION,JULY2011EFFECTIVEDATE:JANUARY1,2012SpecialNotesAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttoparticularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.NeitherAPInoranyofAPI'semployees,subcontractors,consultants,committees,orotherassigneesmakeanywarrantyorrepresentation,eitherexpressorimplied,withrespecttotheaccuracy,completeness,orusefulnessoftheinformationcontainedherein,orassumeanyliabilityorresponsibilityforanyuse,ortheresultsofsuchuse,ofanyinformationorprocessdisclosedinthispublication.NeitherAPInoranyofAPI'semployees,subcontractors,consultants,orotherassigneesrepresentthatuseofthispublicationwouldnotinfringeuponprivatelyownedrights.APIpublicationsmaybeusedbyanyonedesiringtodoso.EveryefforthasbeenmadebytheInstitutetoassuretheaccuracyandreliabilityofthedatacontainedinthem;however,theInstitutemakesnorepresentation,warranty,orguaranteeinconnectionwiththispublicationandherebyexpresslydisclaimsanyliabilityorresponsibilityforlossordamageresultingfromitsuseorfortheviolationofanyauthoritieshavingjurisdictionwithwhichthispublicationmayconflict.APIpublicationsarepublishedtofacilitatethebroadavailabilityofproven,soundengineeringandoperatingpractices.Thesepublicationsarenotintendedtoobviatetheneedforapplyingsoundengineeringjudgmentregardingwhenandwherethesepublicationsshouldbeutilized.TheformulationandpublicationofAPIpublicationsisnotintendedinanywaytoinhibitanyonefromusinganyotherpractices.AnymanufacturermarkingequipmentormaterialsinconformancewiththemarkingrequirementsofanAPIstandardissolelyresponsibleforcomplyingwithalltheapplicablerequirementsofthatstandard.APIdoesnotrepresent,warrant,orguaranteethatsuchproductsdoinfactconformtotheapplicableAPIstandard.Classifiedareasmayvarydependingonthelocation,conditions,equipment,andsubstancesinvolvedinanygivensituation.Usersofthisspecificationshouldconsultwiththeappropriateauthoritieshavingjurisdiction.Usersofthisspecificationshouldnotrelyexclusivelyontheinformationcontainedinthisdocument.Soundbusiness,scientific,engineering,andsafetyjudgmentshouldbeusedinemployingtheinformationcontainedherein.APIisnotundertakingtomeetthedutiesofemployers,manufacturers,orsupplierstowarnandproperlytrainandequiptheiremployees,andothersexposed,concerninghealthandsafetyrisksandprecautions,norundertakingtheirobligationstocomplywithauthoritieshavingjurisdiction.Informationconcerningsafetyandhealthrisksandproperprecautionswithrespecttoparticularmaterialsandcondi-tionsshouldbeobtainedfromtheemployer,themanufacturerorsupplierofthatmaterial,orthematerialsafetydatasheet.Allrightsreserved.Nopartofthisworkmaybereproduced,translated,storedinaretrievalsystem,ortransmittedbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutpriorwrittenpermissionfromthepublisher.ContactthePublisher,APIPublishingServices,1220LStreet,NW,Washington,DC20005.Copyright©2011AmericanPetroleumInstituteForewordNothingcontainedinanyAPIpublicationistobeconstruedasgrantinganyright,byimplicationorotherwise,forthemanufacture,sale,oruseofanymethod,apparatus,orproductcoveredbyletterspatent.Neithershouldanythingcontainedinthepublicationbeconstruedasinsuringanyoneagainstliabilityforinfringementofletterspatent.Shall:Asusedinastandard,“shall”denotesaminimumrequirementinordertoconformtothespecification.Should:Asusedinastandard,“should”denotesarecommendationorthatwhichisadvisedbutnotrequiredinordertoconformtothespecification.ThisdocumentwasproducedunderAPIstandardizationproceduresthatensureappropriatenotificationandparticipationinthedevelopmentalprocessandisdesignatedasanAPIstandard.QuestionsconcerningtheinterpretationofthecontentofthispublicationorcommentsandquestionsconcerningtheproceduresunderwhichthispublicationwasdevelopedshouldbedirectedinwritingtotheDirectorofStandards,AmericanPetroleumInstitute,1220LStreet,NW,Washington,DC20005.Requestsforpermissiontoreproduceortranslatealloranypartofthematerialpublishedhereinshouldalsobeaddressedtothedirector.Generally,APIstandardsarereviewedandrevised,reaffirmed,orwithdrawnatleasteveryfiveyears.Aone-timeextensionofuptotwoyearsmaybeaddedtothisreviewcycle.StatusofthepublicationcanbeascertainedfromtheAPIStandardsDepartment,telephone[phone].AcatalogofAPIpublicationsandmaterialsispublishedannuallybyAPI,1220LStreet,NW,Washington,DC20005.SuggestedrevisionsareinvitedandshouldbesubmittedtotheStandardsDepartment,API,1220LStreet,NW,Washington,DC20005,[e-mail]uction........................................................................................................................................................vi1Scope......................................................................................................................................................12Conformance...................................................