安全接头安全接头是一种专用接头,适用于井下事故处理，也适用于钻井、取芯和中途测试。分H型、J型和AJ型安全接头SafetyJointSafetyjointisaspecializedjoint.Itisusedtohandledownholeaccidentandusedtobemid—waytestofdrillingandcoring.SafetyjointsaredividedintotypeH、typeJandtypeAJ.●H型安全接头是一种井下安全装置，可以装接在井下管柱所需要的部位。该工具可联接在作业管柱上传递扭矩，承受拉、压负荷。在作业管柱遇卡时，安全接头可首先脱开，将安全接头以上管柱起出，可减化作业程序，提高作业郊率，广泛用于打捞，套铣和测试等作业中。HTypeSafetyJointisaessentialsafetytoolforconnectingthepipesinthewell.Thetoolcanbeconnectedstringonthejobtransfertorquetobeartensionandcompressionload.Columnincaseofcardoperati***,thesafetyjointcanbetornoffandthefirstwillbesafefromaconnectingstringabove.HTypeSafetyJointcansimplifyoperati***,improveoperatingruralrateandbewidelyusedinfishing,washoverandtestingwork,etc.●AJ型安全接头是连接在井内管柱上的一种安全工具，其本体采用宽锯齿螺纹或特殊梯形螺纹连接，用于钻井、打捞、洗井、修井和测试作业。它适用于井下事故处理，也适用于钻进和取芯的中途测试。将它连接于所用钻柱的需要部位，保护钻柱，不影响钻具正常工作。一旦在井下工具被卡可借助于安全接头退出卸开卡点以上的钻柱，再次下钻时还可对接。AJ型安全接头分正扣和反扣两种，这两种安全接头除螺纹旋向相反外，其它部件及规格都完全相同。AJTypeSafetyJointisanessentialsafetytoolforconnectingthepipesinthewell.Thebodyadoptswidebuttressthreadorspecialtrapezoidalthreadconnection,whichisusedtodrill,fish,washwell,workoverandtestoperation,etc.Itisusedtotreatwellaccidentandusedtobemid-waytestofdrillingandcoring.Itisconnectedtothedrillingstemneededpositiontoprotectdrillingstemandh***enotaneffectondrillingtool.Oncedownholetoolisstrike,itcanbewithdrawnanddisassembleddrillingstemabovestuckpointwiththehelpofsafetyjoint.Whendrillingagain,itcanbeconnected.ModelAJsafetyjointhastwokindsofright-handthreadandleft-handthread.Otherpartsandspecificati***oftwokindsofsafetyjointsarethesameexpectscrewrotarydirectionopposition..H型安全接头规格型号SpecificationofHTypeHSafetyjoint型号Type外径(mm)O.D内径(mm)I.D螺纹ConnectionHAJ898915NC26HAJ959520NC26HAJ10510530NC31HAJ12112138NC38HAJ15915950N***6、NC50HAJ16516550N***6、NC50HAJ17817857NC50、51/2FHHAJ20320371.465/8REGAJ型安全接头规格型号SpecificationofTypeAJSafetyJoint型号Type外径(mm)O.D内径(mm)I.D螺纹ConnectionAJ-C868638NC26AJ-C959544NC26AJ-C10510551NC31、27/8NU、27/8EUEAJ-C12112157NC38AJ-C15915971.4N***6、NC50AJ-C16516571.4NC50AJ-C17817871.4NC50、51/2FHAJ-C2032037665/8REGAJ-C2282287675/8REG)