Kev Siv Roj Casing:
Siv rau roj Drilling yog siv rau hauv cov txheej txheem Drilling thiab tom qab ua tiav ntawm cov phab ntsa zoo, txhawm rau kom ntseeg tau tias cov txheej txheem drilling thiab kev ua haujlwm zoo li qub tom qab ua tiav.Dua rau qhov sib txawv geological xwm txheej, hauv av. Lub xeev kev ntxhov siab yog qhov nyuaj, thiab kev ua tiav ntawm Tensile, Compressive, Khoov thiab Torsional Stresses ntawm Cov Yeeb Nkab Lub Cev Uas Muaj Kev Xav Tau Zoo Tshaj Plaws Rau Qhov Zoo Ntawm Cov Casing Nws Tus Kheej.Ib zaug Casing nws tus kheej raug puas tsuaj vim qee qhov laj thawj, Nws tuaj yeem ua rau cov Kev txo qis ntawm Tag Nrho Zoo, lossis txawm tias khawb.
Hom Roj Casing:
Raws li SY/T6194-96 "Petroleum Casing", Nws tuaj yeem muab faib ua ob hom: luv threaded casing thiab nws dab tshos thiab ntev threaded casing thiab nws dab tshos.
Roj Casing Standard Thiab Ntim:
Raws li SY/T6194-96, Cov Casing hauv tsev yuav tsum tau khi nrog cov hlau hlau lossis hlau siv.Qhov nthuav tawm ntawm txhua lub casing thiab dab tshos xov yuav tsum tau muab screwed nrog lub nplhaib tiv thaiv kom tiv thaiv cov xov.
Lub Casing yuav tsum tau muab nrog xov thiab dab tshos raws li API SPEC 5CT1988 Thawj tsab los yog nyob rau hauv ib yam ntawm cov nram qab no cov ntaub ntawv xaus: tiaj tus kawg, round xov tsis muaj dab tshos los yog dab tshos, Offset Trapezoidal xov nrog los yog tsis muaj dab tshos, ncaj xov, tshwj xeeb kawg ua , Seal Ring Construction.
