The GHH packer is used for injection, formation fracturing and acidizing. The packer can be combined used to perform selective operation on multiple layers. It can achieve setting through differential pressure, and can be unset by releasing the pressure. There is no need to move the pipe string during the operation, and it is more suitable to apply in gas wells.
Safe setting on all levels of casing
Suitable for highly-deviated well
Achieve setting and unsetting by controlling differential pressure
Avoid mechanical action, higher reliability
Can withstand higher pressure, 7” and below specifications can withstand up to 50MPa (7000psi) differential pressure.
The recommended operating temperature for conventional gum cover is within 148°C (300°F).
Specifications | ||||||
Casing OD (in) | Casing Wt (lbs/ft) | Setting range | Tool OD (in) | Tool ID (in) | Connection thread | |
| Min ID(in) | Max ID(in) | |||||
| 5 1/2 | 20.0-23.0 | 4.625 | 4.778 | 4.5 | 2 | 2 7/8"-8RD EU |
| 15.5-20.0 | 4.778 | 4.95 | 4.64 | |||
| 13.0-15.5 | 4.95 | 5.19 | 4.78 | |||
| 7 | 38 | 5.83 | 5.937 | 5.65 | 2.44 | 2 7/8"-8RD EU |
| 32.0-35.0 | 5.938 | 6.135 | 5.81 | |||
| 26.0-29.0 | 6.136 | 6.276 | 5.97 | |||
| 20.0-26.0 | 6.276 | 6.456 | 6.07 | |||
| 17.0-20.0 | 6.456 | 6.578 | 6.27 | |||
The GHH packer is used for injection, formation fracturing and acidizing. The packer can be combined used to perform selective operation on multiple layers. It can achieve setting through differential pressure, and can be unset by releasing the pressure. There is no need to move the pipe string during the operation, and it is more suitable to apply in gas wells.
Safe setting on all levels of casing
Suitable for highly-deviated well
Achieve setting and unsetting by controlling differential pressure
Avoid mechanical action, higher reliability
Can withstand higher pressure, 7” and below specifications can withstand up to 50MPa (7000psi) differential pressure.
The recommended operating temperature for conventional gum cover is within 148°C (300°F).
Specifications | ||||||
Casing OD (in) | Casing Wt (lbs/ft) | Setting range | Tool OD (in) | Tool ID (in) | Connection thread | |
| Min ID(in) | Max ID(in) | |||||
| 5 1/2 | 20.0-23.0 | 4.625 | 4.778 | 4.5 | 2 | 2 7/8"-8RD EU |
| 15.5-20.0 | 4.778 | 4.95 | 4.64 | |||
| 13.0-15.5 | 4.95 | 5.19 | 4.78 | |||
| 7 | 38 | 5.83 | 5.937 | 5.65 | 2.44 | 2 7/8"-8RD EU |
| 32.0-35.0 | 5.938 | 6.135 | 5.81 | |||
| 26.0-29.0 | 6.136 | 6.276 | 5.97 | |||
| 20.0-26.0 | 6.276 | 6.456 | 6.07 | |||
| 17.0-20.0 | 6.456 | 6.578 | 6.27 | |||
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