Mohala o monyane oa hydraulic o sebelisetsoang ho sebetsa lisebelisoa tsa ho tlatsa likoti tse tlase joalo ka "surface controlled subsurface safety valve" (SCSSV).Litsamaiso tse ngata tse sebelisoang ke mohala oa taolo li sebetsa ka mokhoa o sireletsehileng.Ka mokhoa ona, mohala oa taolo o lula o hatelloa ka linako tsohle.Ho dutla kapa ho hloleha hofe kapa hofe ho fella ka tahlehelo ea khatello ea mohala, ho koala valve ea tšireletso le ho etsa hore seliba se sireletsehe.
Lihlahisoa tsa li-tubing tsa lekala la oli le khase li sebelisitsoe ka katleho maemong a mang a mabifi ka ho fetesisa a leoatle le a tlase 'me re na le rekoto e telele e netefalitsoeng ea ho fana ka lihlahisoa tse fihlelang litlhoko tse tiileng tsa boleng ba lekala la oli le khase.
Meilong Tube e fana ka li-tubing tse kopantsoeng ka har'a mefuta e mengata e fapaneng ea litšepe tse sa jeleng paate, li-alloys tsa nickel.Re na le boiphihlelo bo batsi mabapi le phepelo ea lihlahisoa le boqapi lekaleng lena, ho tloha tsoelopeleng ea theknoloji e hlokahalang bakeng sa nts'etsopele ea maoatle ka 1999 ho isa mathateng a metsi a tebileng a kajeno.