The casing head 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
1CHB 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