RecommendedPracticeforWellControlOperationsAPIRECOMMENDEDPRACTICE59SECONDEDITION,MAY2006REAFFIRMED,DECEMBER2018RecommendedPracticeforWellControlOperationsUpstreamSegmentAPIRECOMMENDEDPRACTICE59SECONDEDITION,MAY2006REAFFIRMED,JANUARY2012SPECIALNOTESAPIpublicationsnecessarilyaddressproblemsofageneralnature.Withrespecttoparticularcircumstances,local,state,andfederallawsandregulationsshouldbereviewed.NeitherAPInoranyofAPI’semployees,subcontractors,consultants,committees,orotherassigneesmakeanywarrantyorrepresentation,eitherexpressorimplied,withrespecttotheaccuracy,completeness,orusefulnessoftheinformationcontainedherein,orassumeanyliabilityorresponsibilityforanyuse,ortheresultsofsuchuse,ofanyinformationorprocessdisclosedinthispublication.NeitherAPInoranyofAPI’semployees,subcontractors,con-sultants,orotherassigneesrepresentthatuseofthispublicationwouldnotinfringeuponpri-vatelyownedrights.APIpublicationsmaybeusedbyanyonedesiringtodoso.EveryefforthasbeenmadebytheInstitutetoassuretheaccuracyandreliabilityofthedatacontainedinthem;however,theInstitutemakesnorepresentation,warranty,orguaranteeinconnectionwiththispublicationandherebyexpresslydisclaimsanyliabilityorresponsibilityforlossordamageresultingfromitsuseorfortheviolationofanyauthoritieshavingjurisdictionwithwhichthispubli-cationmayconflict.APIpublicationsarepublishedtofacilitatethebroadavailabilityofproven,soundengineer-ingandoperatingpractices.Thesepublicationsarenotintendedtoobviatetheneedforapplyingsoundengineeringjudgmentregardingwhenandwherethesepublicationsshouldbeutilized.TheformulationandpublicationofAPIpublicationsisnotintendedinanywaytoinhibitanyonefromusinganyotherpractices.AnymanufacturermarkingequipmentormaterialsinconformancewiththemarkingrequirementsofanAPIstandardissolelyresponsibleforcomplyingwithalltheapplicablerequirementsofthatstandard.APIdoesnotrepresent,warrant,orguaranteethatsuchprod-uctsdoinfactconformtotheapplicableAPIstandard.Allrightsreserved.Nopartofthisworkmaybereproduced,storedinaretri...