Casing

①Casing be fixed the oil and gas well wall or down hole.

②O.D.: 4-1/2" ~ 20" (114.3 ~ 508 mm)

③Length: R1, R2, R3

④Steel Grade: H40, J55, K55, L80, N80/Q, C90, T95, P110, Q125

⑤Thread Connection: BTC, STC, LTC

⑥Manufacturing Standard: API 5CT, API 5B