1.The pop e kopantsoeng e sebelisoa ho lokisa bolelele ba li-tubing tse bolelele bo bolelele kapa likhoele tsa casing, li boetse li sebelisetsoa ho lokisa botebo ba lisebelisoa tsa ho theoha.
2.Standard: API 5CT
3.Size: 2 3/8 ″, 2 7/8 ″, 3 1/2 ″, 4 1/2 ″ le ba bang
4.Grade: J55 / K55 / N80 / L80 / P110
5. Bolelele: 2FT / 3FT / 4FT / 5FT / 6FT / 8FT / 10FT / 12FT