Packer Specifications
|
Packer Size OD |
1.8" (46 mm) |
3.7" (94 mm) |
Access ID |
1/2" (12.7 mm) |
1" (25.4 mm) |
Gland Length |
23" (584 mm) |
30" (762 mm) |
Overall Length |
29" (737 mm) |
36" (914.4 mm) |
- with centralizers |
Same |
44" (1,117.6 mm) |
Borehole Size |
1.9 - 2.4" (48 - 61 mm) |
3.8-4.4" (96-112 mm) |
- with centralizers |
2.5 - 3.5" (63 - 89 mm) |
4.5-5.0" (114-127 mm) |
Pipe Fittings |
1/2" NPT Female |
1" NPT Male |
- with centralizers |
Same |
1" NPT Female |
Well Size
Inflation Pressure |
1.9" - 2.4" (48 - 61 mm)
25 - 30 psi
140 - 205 kPa |
3.8 - 4.4" (96 - 112 mm)
20 psi
140 kPa |
With Centralizers |
Well Size
Inflation Pressure |
2.5” - 3.5” (63 - 89 mm)
35 - 40 psi
240 - 275 kPa |
4.5” - 5.0” (114 - 127 mm)
25 - 30 psi
170 - 205 kPa |
Notes:
-
Inflation pressures must be added to hydrostatic pressure at the packer location.
-
Maximum submergence = 150 ft (46 m)
-
Maximum pressure for 1.8" (46 mm) packer, = 50 psi or 345 kPa
above hydrostatic pressure. Maximum pressure for 3.7" (94 mm)
packers = 30 psi or 205 kPa above hydrostatic pressure.
eg: Required pressure for: Packer placed 100 ft (30 m) below water
• 1.8" packer in 2" well:
20 psi min + (100 ft x 0.43 psi) = 20 + 43 = 63 psi.
(46 mm packer: 140 kPa min + (30 x 9.8 kPa) = 140 + 294 = 434 kPa)
-
1 ft water = 0.43 psi, 1 m water = 9.8 kPa
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