Dynamic Seal Technology
About
Traditionally, plunger lift has been used in vertical oil and gas wells. However, today's operators need an all inclusive solution including directional and horizontal wells. Well Master's Dynamic Seal technology was developed as a solution for directional and horizontal wells without compromising performance.
Plunger Rib and
Variable Groove Design
The design represents a circular airfoil whereby gas attempting to bypass the plunger between the plunger's outside diameter and the inside diameter of the tubing wall is drawn into each groove. As this occurs, the gas being drawn into the grooves accelerates and is pried from under the next rib against the tubing wall creating a high degree of turbulence (or a high Reynolds number). This scours the tubing wall of liquid and keeps the liquid pushed up and on top of the plunger.
Compression Seal
As the bypassing gas migrates up towards the fishing neck on the plunger, the groove roots become more and more shallow. This allows for the compression of the gas between the groove roots and the tubing wall, which has the effect of tightening the seal.
Tangential Holes
The tangential holes in the body of the plunger act as a pressure washer scouring the tubing wall with gas to further enhance the turbulent gas seal. These jets induce a rotation on the plunger, keeping the wear even throughout and eliminating flat wear spots on the plunger from tubing deviations or through the heel on horizontal wells.
Fluted Bottom
The fluted bottom of the plunger further adds to the unique rotation of the plunger particularly during the fall. The sharp edges of the flutes are used to control paraffin, scale, and salt. The Dynamic Seal plungers are well suited in pad drill deviated wells, since the fluid is not lost during plunger rise in the inclined portions of the tubing. Many operators have experienced this effect and prefer Dynamic Seal plungers because of it.
For more information please contact us below or reach out to your Account Manager. To find your Account Manager, check out our Service Map.