Long Plunger And Sand Stuck Prevention Artificial Lift Downhole Pump

Artificial lift downhole pump
Sanjack has been specializing in the research and development of sand control downhole pumps for many years. Sanjack manufactures high quality and affordable long plunger sand jam prevention artificial lift downhole pumps in China. Contact us now for a quote for long plunger and sand control artificial lift downhole pumps.

1. It is suitable for sand wells where sand sticking often occurs when the pump is stopped.
2. The barrel is short, the plunger is long, and the barrel has high wear resistance.

Short pump barrel, long plunger and sand settling structure are used to prevent sand particles from entering the pump barrel, reduce sand sticking and prevent sand burial.
Pumps are typically used in sandy applications and offer the following advantages:
• The motion of traveling barrel keeps the fluid moving and the sand is almost flushed out until the pump seat collars. Minimizes the potential for sand to settle around the pump and get stuck in the tubing.
• The traveling-barrel pump is especially suitable for intermittent pumping of oil wells. Since the moving valve at the top of the pump is closed when the well is closed, sand cannot settle inside the pump. This prevents sand from settling inside the pump, a condition that could cause the plunger to stick, or prevent the fixed valve from opening when the well resumes pumping.
• The traveling and standing valves on the pump have open cages, which are more rigid and provide more fluid passage than closed cages.
• External and internal balanced pressures on the moving or stationary barrel provide bottom-anchored pumps with greater burst resistance than top-anchored pumps.

https://youtu.be/cCOfsA5Lj5E

Traveling-barrel, bottom-anchor pumps have the following limitations:
• In wells with low static liquid levels, traveling barrel pumps are at a disadvantage. To enter the pump chamber, the fluid must rise through the pull tube and plunger, then through the stationary valve.
• The fixed valve is located at the top of the plunger and has a smaller diameter than the moving valve, thus providing more fluid resistance than the larger fixed valve of a fixed barrel pump. This promotes gas leakage and may cause gas disturbances in the pump.
• Long traveling barrel pumps should not be run in deep wells. When the fixed valve (located in the plunger top retainer) is closed, the hydrostatic column load is transferred by the plunger through the pull tube and pressed into the pump seat coupling. In deep wells, this load will be sufficient to place a bow in a long draw tube, creating resistance between the pull plug and the draw tube.
• Traveling-barrel pumps do not normally operate in wells with slanted bores or offsets at the pump base coupling. Either condition can cause excessive wear on the pump barrel, which reduces the pump stroke and therefore displacement.

1. The short pump barrel is matched with the long plunger, and the pump barrel has high wear resistance.
2. The plunger is always exposed at both ends of the pump barrel, and the sand cannot enter the pump barrel, reducing the sticky sand.
3. The unique sand settling channel realizes the sand settling and lateral oil feeding of the pump, preventing the sand burial phenomenon of the oil pump.

1. It is used for the simple sand pump to stop the pumping of oil wells.
2. Due to the high oil and gas content, it is not suitable for oil wells prone to gas lock.
3. It must not be used at or below the inflection point.
4. Oil well sand content ≤ 3.2%.https://youtu.be/YjhC-0Yr6MA

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