The equipment is designed for tying the upper ends of adjacent casing strings protruding above the wellhead to seal the annular space between them in climate conditions from -60 °С to +121 °С. Service environment – oil, gas, gas condensate with mechanical impurities up to 25 mg/l, formation water up to 80%.
- Casing head operation – manual
- meets technical requirements API 6A
- Nominal size, mm (in): 280 (11)
- Work pressure, MPa (PSI): 14-70 (2000-10000)
- Service environment: oil, gas, solution, water
- Work temperature, °С: from -60 to +121
- Material class: АА, ВВ, СС, DD, ЕЕ, FF
- Technical performance: PSL1 – PSL4
- Resistance class: PR1, PR2
Specifications
|
Item |
Work pressure |
Nominal size |
Nominal diameter of surface casing |
Nominal diameter of casing strings |
||||
|
MPa |
PSI |
mm |
in |
mm |
in |
mm |
in |
|
|
1CH |
14 21 35 70 |
2000 3000 5000 10000 |
280 |
11 |
139,7 146,1 168,3 177,8 193,7 |
5 1/2 5 3/4 6 5/8 7 7 5/8 |
219,1 244,5 273,1 298,4 323,9 |
8 5/8 9 5/8 10 3/4 11 3/4 12 3/4 |