The tubing nipple is a joint for the connection of two items of tubing. It is a kind of drilling tool of the oil field. The tubing and coupling are mainly connected with thread, which is characterized by relieving the stress concentration of the single cone thread connecting the tubing with external thread, not easy to produce fatigue fracture and effectively prevents the well string from breaking off. The API 5CT nipple joints shall be the plain end, non-upset thread and coupled, external upset thread and coupled.
Specification: API spec 7
Steel grade: J55, K55, N80, L80, P110
Tubing coupling Specification: 2 3/8″, 2 7/8″, 3 1/2″, 4″, 4 1/2″, etc.
Thread type: NUE, EUE, SCC
The tubing nipple joint specification:
The drill tubing collar offers high strength design to ensure excellent performance for joints of API drill pipe and tubing. World iron&steel manufacture, supply, sell OTCG, pipe, collar, joints and other accessories in various sizes and specifications, if you are looking for this material, please contact us or get a quotation. Not only do we have all kinds of sizes, but we also have all kinds of sizes that are hard to find.