Below Ground
Features & Benefits
For highly sensitive areas
Slower traveling speeds, reduced rod string fatigue.
Near-fixed traveling speeds resulting in lower rod string compression.
Reduced traveling/standing valve wear.
Higher compression ratios, which helps reduce gas locking.
Better mechanical efficiency (stroke vs. stretch ratio).
Longer tubing life due to longer coupling-to-tubing wear patterns.
Ability to lift larger pump plungers = higher volume rate capacities.
No more stuffing box leaks
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No Pedestal, Support or Wiring needed
Installs in less time than a walking beam horsehead, bridle and carrier bar.
Unlike most hydraulic cylinders in the market, the HRP hydraulic cylinder requires no pedestal or guide wire supports.
There are also no sensors needed on the cylinder for position and load calculations, which is done through the sensors on the power unit.
Lower CAPEX for the same production
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Specifications
Stroke Length
Cylinder Sizes
Peak Polished Rod Load (PPRL)
Design Pressure & Temperature
Cylinder Sizes & PPRL Ratings
| Cylinder Size (Bore x Stroke) | Max PPRL (@ 3000 psig) | Extended Length | Collapsed Length |
|---|---|---|---|
| 2.5" x 240" | 12,363 | 527" (44') | 287" (24') |
| 3.0" x 240" | 18,840 | 527" (44') | 287" (24') |
| 3.5" x 240" | 25,169 | 527" (44') | 287" (24') |
| 3.5" x 288" | 25,169 | 623" (52') | 335" (28') |
| 3.5" x 366" | 25,169 | 719" (60') | 383" (32') |
| 4.0" x 240" | 34,000 | 527" (44') | 287" (24') |
| 4.0" x 288" | 34,000 | 623" (52') | 335" (28') |
| 4.0" x 336" | 34,000 | 719" (60') | 383" (32') |
| 4.5" x 240" | 42,390 | 527" (44') | 287" (24') |
| 4.5" x 228" | 42,390 | 623" (52') | 335" (28') |
| 4.5" x 336" | 42,390 | 719" (60') | 383" (32') |
| 5.0" x 336" | 53,376 | 719" (60') | 383" (32') |
