Active Member
|
Address: Nanyi Road No.228,Dongying City, Shandong Province, China
Phone: 86-0546-7766986
Contact name:Miss. Grace
Dongying Kangyu petroleum Engineering Technology Service Co.,Ltd |
|
Crossover sub description:
1. Specification:API 5CT 1.9”, to 4-1/2”
api crossover sub:
It is divided into drill string crossover and tubing Crossover.
Drill string Cross-over is divided into type A, type B and type C.
Crossover sub specification
Denotation | Top junction block | Lower junction block | Type |
Kelly joint | Kelly | Drill pipe joint | A or B |
Kelly joint | Drill pipe joint | Drill pipe joint | A or B |
Drill pipe joint | Kelly | Drill collar | A or B |
Crossover joint | Drill collar | Drill collar | A or B |
Bit joint | Drill collar | Bit | A or B |
Swivel joint | Swivel lower joint | Kelly | Type C |
Fish joint | Kelly | Drill pipe joint | Type C |
Drill pipe joint | Fishing tool | Type C |
drilling crossover sub mechanical properties:
O.D. Range | Min. Yield | Min. Tensile | Elongation Min. | Min. Brinell |
3.1/2 THRU | 760Mpa | 965Mpa | 13% | 285 |
