Izixhobo zeTubing Head Wellhead: Ukunxiba iiBushing, Izixhobo zoVavanyo loxinzelelo/zokususa kunye neeValve zoxinzelelo lwasemva
Ukunxiba i-Bushing
I-bushing enxitywayo ifakelwa kwi-casing head okanye kwi-casing head cross ngexesha lokubhola kunye nokusebenza ukuze kukhuselwe i-casing head kunye ne-casing head cross ekugugeni okubangelwa yintambo yokubhola. Ingeniswa equleni ngesixhobo sokuvavanya esiqhagamshelwe kumbhobho wokubhola, kwaye itshixwe ngokukhuselekileyo endaweni yayo kusetyenziswa ii-flange wire locks kwi-casing head okanye kwi-casing head cross.
Uvavanyo loxinzelelo kunye nesixhobo sokususa
Esi sixhobo sisemgangathweni esinemisebenzi emibini sinciphisa inani lezinto ezifunekayo. Singafakwa ngaphakathi kwentloko yecasing okanye umnqamlezo wentloko yecasing. Ngexesha lokugrumba okanye ukusebenza, umbhobho wokugrumba ungadlula kwisixhobo nokuba izixhobo zokugrumba zikwimngxuma engaphantsi komhlaba, nto leyo evumela uvavanyo loxinzelelo lwe-BOP stack kunye ne-manifold. Isixhobo sinokuguqulwa ukuze kufakwe okanye kususwe i-bushing egugileyo.
Ivalvu Yoxinzelelo Lwasemva kunye Nezixhobo Zokufaka
Iivalvu zoxinzelelo lwangasemva ziyafumaneka ngeendlela ezahlukeneyo nezimbini:
- Iivalvu yoxinzelelo olubuyela umva oluya kwicala elinyeithintela uxinzelelo oluphumayo ukuba lungahambi luye phezulu ngelixa ivumela ukujikeleza kolwelo ezantsi.
- Iivalvu yoxinzelelo olubuyela umva oluneendlela ezimbiniiyadingeka xa kuvavanywa uxinzelelo lomthi weKrisimesi ngaphezulu kwe-hanger yetyhubhu.
Zombini ezi ntlobo zinentambo ekhethekileyo ye-trapezoidal enamazinyo amafutshane, enika amandla aphezulu, ukumelana nokuqhekeka kunye nobomi obude benkonzo. Xa zisetyenziswa nesixhobo sokufakela/sokususa ivalvu yoxinzelelo lwangasemva, iivalvu zinokufakwa ngokukhawuleza nangokukhuselekileyo okanye zifunyanwe ngomthi weKrismesi, nto leyo evumela ulawulo olusebenzayo loxinzelelo lwangaphantsi.
Bhala umyalezo wakho apha uze uwuthumele kuthi









