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): 280-350 (11-13 5/8)
  • Work pressure, MPa (PSI): 21-105 (3000-15000)
  • Service environment: oil, gas, solution, water
  • Work temperature, °С: from -60 to +121
  • Material class: АА, ВВ, СС, DD, ЕЕ, FF
  • Technical peformance: PSL1 – PSL4
  • Resistance class: PR1, PR2

Specifications

Item Work pressure Nominal size Nominal diameter of surface casing Nominal diameter of casing strings Nominal diameter of casing strings
MPa PSI mm in mm in mm in mm in
2CHB

21

35

70

105

3000

5000

10000

15000

280

350

11

13 5/8

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

298,4

323,9

426

11 3/4

12 3/4

16 3/4