Designed to protect casing string from dynamic impact of operating medium when carrying out various process steps (up to 3 steps in one tripping) requiring pressure difference inside cemented liner of the casing string.

Admissible for use in non-cemented liners for fracturing with pressure not more than 24.5 MPa

No.

Parameter

Value

ZHB 102.03.00.000

ZHB 120.03.00.000

1

Casing string rated diameter, in (mm)

4 (102)

4-1/2 (114)

2

Maximum OD, in (mm)

4.764 (121)

5.591 (142)

3

Diameter sealed, in (mm)

4.134 (105)

127

4

Connecting thread

NUE Api tubing 3-1/2 (89 GOST 633-80)

5

Bore diameter, in (mm)

2.992 (76)

2.992 (76)

6

Length of nipple, ft (mm)

2.559 (780)

2.395 (730)

7

Weight, lb (kg)

127.890 (58)

183.015 (83)

8

Maximum pressure difference, psi (MPa)

10,150 (70)

9

Maximum operating temperature, °F (°С)

212 (100)