Hydraulic Pumping Units (HPUs) | Schlumberger

Hydraulic Pumping Units

Innovative pumping units for shale wells and heavy oil

Leave a smaller footprint than ever before

Schlumberger hydraulic pumping units are offered for a wide range of well applications and provide a small footprint, compact and lightweight design, quick installation, and the ability to easily adjust stroke speed and length—either onsite or remotely. Installation time is just a few hours compared with the 2 to 4 days needed to transport and assemble conventional systems.

With the flexibility to suit various well conditions, we provide electric- and gas-powered options, cylinder lengths up to 336 in [8.53 m], and a peak polished rod load capability up to 50,000 lbm [25 tonUS]. Stroke lengths of up to 336 in reduce cyclic stress, minimize rod stretch impact, improve gas compression ratios, minimize the possibility of gas lock, and enhance overall system efficiency. Long strokes enable our hydraulic pumping units to maintain production at lower pumping speeds, thereby reducing frictional losses in highly deviated and horizontal wells.

Reduced HSE risk and environmental impact

Operator safety improves because all moving parts are enclosed. Maintenance can be performed on one well while neighboring wells remain on production. The unit attaches directly to the wellhead, reducing space requirements and eliminating the need for concrete pads, guide wires, and special site preparation. Fully enclosed actuation cylinders prevent hydraulic fluid leaks, which cause downtime related to environmental exposure, equipment maintenance and repair, or both.

Hydraulic Pumping Units
Hydraulic Pumping Units

Pump more efficiently in shale wells and heavy oil

Horizontal shale wells exhibit rapid production decline. An artificial lift system having a wide operating range eliminates the capex needed to change systems at a time when well production is tapering off. The system must also be capable of handling multiphase fluids, abrasive solids, and small liner IDs.

Our hydraulic pumping units enable adjustment of the pump’s velocity profile in a matter of minutes to accommodate changing production throughout the life of the well—without the expense of variable frequency drives or manipulation of large counterbalance weights. You can remotely view and access important real-time well data and respond quickly to changing well conditions. Options for remote speed adjustments are also available.

High temperature rating for heavy oil

These lifting systems are reliable from reservoir ambient temperatures to the elevated temperatures associated with thermal recovery of heavy oil. Their ability to handle multiphase flow, steam breakout, and solids production further enhances their suitability for heavy oil applications.

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