2-3 / 8 ″ N80Q EU API 5CT FARSAMADA NADAAFADA EE SHAQADA EE KOOBAN
1. Qeexista sheyga waa 2-3 / 8 illaa “20 ″, iyo darajada birta laga bilaabo J55 illaa Q125, oo dabooleysa dhammaan taxanaha buuxa iyo buundooyinka birta.
2. Waxyaabaha ceyriinka ah ee ay adeegsato shirkadeena ayaa dhamaantood laga soo iibsadaa mastarado bir ah oo caan ah oo caan ah.
3. Heerka Farsamada: API 5CT 9th ama API 5CT 10th, API 15B ama API 16B, marka loo eego codsiyada macaamiisha.
4. Nooca dunta ah:
Fariintaada halkan ku qor oo noo dir