Installed as part of the liner casing in formation top to prevent impact of high hydrodynamic pressure on producing layer when squeezing

cement slurries into the casing annulus and to prevent behind-the-casing flows in the open hole.

No.

Parameter

Value

ZHB 10.85.00.000А

ZHB 20.85.00.000А

ZHB 30.35.00.000

1

Casing string rated diameter, in (mm)

4 (102)

4-1/2 (114)

3-1/2 (89)

2

Open hole well (bit) size, in (mm)

4.882 – 5.197

(124 – 132)

5.500 -6.063

(139.7 – 154)

4.547 – 4.961

 (115.5 – 126)

3

Outer diameter, in (mm)

4.528 (115)

5.039 (128)

4.134 (105)

4

Inner diameter, in (mm)

3.504 (89)

3.917 (99.5)

2.992 (76)

5

Pilot diameter for ball 1", in (mm)

0.866 (22)

0.787 (20)

0.866 (22)

6

Length, ft (mm)

9.620 (2,932)

9.853 (3,003)

11.369 (3,465)

7

Connecting thread

Trapezoidal thread

ОТТМ 102

TU 14-161-163-96

Trapezoidal thread ОТТМ 114

GOST 632-80

NUE Api tubing 3-1/2

(89 GOST 633-80)

8

Packer filling up pressure, psi (MPa)

2 176+145 (15+1)

2 176+145 (15+1)

2 176+145 (15+1)

9

Weight, lb (kg)

149.94 (68)

185.220 (84)

160.966 (73)

10

Maximum inside pressure before packer operation and after packer setting, psi (MPa)

3,626 (25)

2,176/3,626 (15 / 25)

11

Pressure difference between dissociated cavities at nominal packer setting coefficient, psi (MPa)

2,176 (15)

12

Packer setting coefficient

1.3

1.2

13

Maximum operating temperature, °F (°С)

212 (100)

14

Hole length area covered with packer sealing element, ft (mm)

5.020 (1,530)

15

Drift diameter after drilling, in (mm)

3.465 (88)

3.898 (99)

2.992 (76)

16

Maximum tensile axial load on packer body, lbf (kgf)

101,200

(450)

101,200

(450)

89,920

(400)