Izesekeli Ze-Tubing Head Wellhead: Ukugqoka I-Bushing, Amathuluzi Okuhlola Ukucindezela/Ukususa kanye nama-Valve Okucindezela Emuva
Ukugqoka i-Bushing
I-bushing egqokwayo ifakwa ekhanda le-casing noma esiphambanweni sekhanda le-casing ngesikhathi sokubhoboza nokusebenza ukuze kuvikelwe ikhanda le-casing kanye nesiphambano sekhanda le-casing ekugugeni okubangelwa yintambo yokubhoboza. Ilethwa emthonjeni ngethuluzi lokuhlola elixhunywe epayipini lokubhoboza, futhi ivalwe ngokuphephile endaweni kusetshenziswa izingidi ze-flange top wire ekhanda le-casing noma esiphambanweni sekhanda le-casing.
Ithuluzi Lokuhlola Nokususa Ingcindezi
Leli thuluzi elijwayelekile elinemisebenzi emibili linciphisa inani lezingxenye ezidingekayo. Lingafakwa ngaphakathi kwekhanda le-casing noma i-casing head cross. Ngesikhathi sokubhoboza noma ukusebenza, ipayipi lokubhoboza lingadlula ithuluzi kungakhathaliseki ukuthi amathuluzi okubhoboza asemgodini, okuvumela ukuhlolwa kwengcindezi ye-BOP stack kanye ne-manifold. Ithuluzi lingabuyiselwa emuva ukuze kufakwe noma kususwe i-bushing egugile.
I-Back Pressure Valve kanye namathuluzi okufaka
Ama-valve okucindezela emuva atholakala ngezindlela zokulungiselela ezithize kanye nezithize ezimbili:
- Iivalvu yokucindezela ebuyela emuva ngendlela eyodwakuvimbela ingcindezi ye-downhole ukuthi ikhuphuke ngenkathi ivumela ukujikeleza koketshezi phansi.
- Iivalvu yokucindezela ebuyela emuva enezindlela ezimbilikuyadingeka lapho kuhlolwa ingcindezi yesihlahla sikaKhisimusi ngaphezu kwe-tubing hanger.
Zombili izinhlobo zinentambo ekhethekile ye-trapezoidal enamazinyo amafushane, enikeza amandla aphezulu, ukumelana nokugoba kanye nokuphila isikhathi eside kwenkonzo. Uma isetshenziswa nethuluzi lokufaka/lokususa ivalvu yokucindezela yangemuva, amavalvu angafakwa ngokushesha nangokuphephile noma alandwe ngesihlahla sikaKhisimusi, okwenza kube lula ukulawula ingcindezi engaphansi kwembobo esebenza kahle.
Bhala umlayezo wakho lapha bese uwuthumela kithi









