Casing Head
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API 6A Casing Head ndi Wellhead Assembly
Chipolopolo choponderezedwa chimapangidwa ndi chitsulo chopangidwa ndi alloy chokhala ndi mphamvu zambiri, zolakwika zochepa komanso mphamvu zonyamula mphamvu.
Mandrel hanger amapangidwa ndi forgings, zomwe zimatsogolera ku kunyamula kwakukulu komanso kusindikiza kodalirika.
Zigawo zonse zachitsulo za slip hanger zimapangidwa ndi chitsulo chopangidwa ndi alloy.Mano otsetsereka ndi carburized ndi kuzimitsidwa.Mapangidwe apadera a mawonekedwe a dzino ali ndi zizindikiro za ntchito yodalirika komanso mphamvu yobereka kwambiri.
Valavu yokhala ndi zida imatenga tsinde losakwera, lomwe lili ndi torque yaing'ono yosinthira komanso ntchito yabwino.
Chopachikidwa chamtundu wa slip ndi hanger yamtundu wa mandrel zitha kusinthidwa.
Njira yopachikidwa pa casing: mtundu wa slip, mtundu wa ulusi, ndi mtundu wotsetsereka wowotcherera.