Awọn pato ti epo daradara casing
Iwọn iwọn (OD inch) :4 1/2”—30”
Iwọn iwọn (OD mm): 114.3-762
Standard: API SPEC 5CT, ISO11960, GOST
Ipari: R1, R2, R3
Ipele Irin akọkọ: H40, J55, K55, N80-1, N80-Q, L80-1, L80-9Cr, L80-13Cr, P110, Q125 ati be be lo
Iru Casing: Itele, BTC, STC, LTC, Okun Ere miiran.