Packer |
1.8" O.D. (46 mm) |
3.7" O.D. (94 mm) |
Well Size
Inflation Pressure |
1.9 - 2.4" (48 - 61 mm)
20 - 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 - 35 psi
170 - 240 kPa |
Notes:
1. Inflation pressures must be added to hydrostatic pressure at the packer location.
2. Maximum submergence = 150 ft (46 m)
3. Maximum pressure for any packer = 50 psi or 345 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)
4. 1 ft water = 0.43 psi, 1 m water = 9.8 kPa |