工具的联合

Tool joints of our company are turned and faced prior to heat treatment by the Quench and temper process to produce a uniform microstructure,high ductility,and other mechanical properties in accordance with API specifications.The heat treatment is done under controlled atmosphere for consistent puality.The tensile and inpact properties are verified by destructive testing of a tool joint repres . CROSSOVER SUBSKindappellationTypeUpperconnector Previous NextLower connector Lower1Kelly adapterA type or B-typeKellyDrill pipe joints2Drill adapterA type or B-typeDrill pipe jointsDrill pipe joints3Excessive adapterA type or B-typeDrill pipe jointsDrill Collar4Drill Collar adapterA type or B-typeDrill CollarDrill Collar5Drill adapterA type or B-typeDrill CollarDrill6Faucet adapterC typeUnder the faucet connectorKelly7Salvage with adapterC typeKellyDrill pipe jointsC typeDrill pipe jointsFishing Tools