INdibano ye-IBOP ephezulu ePhezulu / esezantsi yeVarco/Canrig/TESCO/BPM/JH/HONGHUA
Iimbonakalo
I-IBOP iiNdawo eziSparekileyo zeVarco/Canrig/TESCO/BPM/JH/HONGHUA IiNkqubo eziPhakamileyo zokuqhuba kwi-Oilfield Drilling Rigs
I-internal blowout preventer, eyaziwa ngokuba yi-BOP yangaphakathi, sisixhobo esikhethekileyo esinokuvuthwa nge-BOP ukuze udibanise nezixhobo ezongezelelweyo zokugaya ngokukhawuleza. Xa ukuvuthela kusenzeka ngelixa uphakamisa izixhobo zokomba, isithinteli sangaphakathi sokuvuthela sibonelela ngeenzuzo ezininzi, kubandakanya uxinzelelo oluphezulu, ukuthembeka okutywiniweyo, ukusetyenziswa ngokulula, ukutshintsha ngokukhawuleza, kunye nokunye.
Iintlobo ezimbini ze-IBOP ze-top drive zi-IBOP eziphezulu kunye ne-IBOP ephantsi. Ezi ziivalvu zolawulo ezithi zisetyenziswe ngokudibeneyo nenkqubo ephezulu yokuqhuba. Ngokuqhelekileyo, isixhobo esiphezulu sokuqhuba isixhobo sidibaniswe kwiivalve ezimbini. I-IBOP isebenzisa isitywina sesinyithi esithembeke kakhulu. Ngaloo ndlela, inokumelana noxinzelelo olunamandla kokubili phezulu nangaphantsi. Kunokwenzeka ukufikelela kuxinzelelo olusebenzayo lwe-10,000 okanye i-15,000 PSI.
Zonke izinto zangaphakathi, kubandakanywa nokubhoboza komzimba we-valve, ziphathwa ngokukodwa ukuxhathisa ukubola kunye nokuqinisekisa ubomi obude benkonzo. I-IBOP esezantsi kuya kufuneka ivalwe ngesandla xa kusenzeka ukukhaba, kodwa i-IBOP ephezulu inokuvalwa ngolawulo olukude. I-IBOP ephezulu evulekileyo kwaye ivaliwe ilawulwa ngumzimba oncedisayo obizwa ngokuba yi-top drive actuator. Isebenza ngokuhambelana nezinye izincedisi zerig ukulawula ukuvulwa nokuvalwa kwe-IBOP ePhezulu.