Articles

October 15, 2012

Bottom Hole Springs for Continuous Flow Plungers

Bottom hole springs are generally positioned at the end of tubing for vertical wells, or at a deviation angle of 45 to 50 degrees for horizontal wells. As the plunger falls in the tubing, it gathers speed. The spring acts as a stop and decelerates the plunger upon impact. Clean-out or bar stock plun [..]

October 14, 2012

What is plunger lift?

Plunger lift is an economical, environmentally friendly artificial lift method (See Fig 1) to remove liquid from wells using the wells internal energy. A typical system consists of a plunger, bottom-hole spring assembly, lubricator, arrival sensor, controller, motor valve and gas flow meter (See Fig [..]