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Diameters: 4 1/2” through 20” Grades: J55, K55, N80-1, N80Q, L80, P110, Q125 Connections: STC, LTC, BTC Other options: Special Beveled Couplings Special Clearance Couplings Directive 10 ( D-10 ) Couplings Others upon request Stocks availability: 4 1/2”, 5 1/2”, 7”, 9 5/8”, 13 3/8”, 20”
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Diameters: 2 3/8”, 2 7/8”, 3 1/2”, 4 1/2” Grades: J55, K55, N80-1, N80Q, L80, P110, Q125 Connections: EUE, NUE Other options: Special Beveled Couplings Special Clearance Couplings Directive 10 ( D-10 ) Couplings Others upon request Stocks availability: 2 3/8”, 2 7/8”, 3 1/2”, 4 1/2″
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Blast Joints are heavy-duty tubular made to protect production tubing. They guard against erosion, abrasion, and wear in fast-moving well environments. Commonly installed across perforated intervals, they provide enhanced wall thickness and surface protection. This helps to extend tubing service life and keep the well safe. Blast joints are widely used in oil and gas production wells where sand, debris, or turbulent flow is present.
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Haige offers Special Clearance Couplings as per API Specification 5CT latest edition. The Special Clearance Couplings provides reduced diameter connections for Casing and Tubings.





