Paper: FUNDAMENTALS OF LIQUID LEVEL CONTROLLERS

Liquid level control is critical in the separation of gas, oil and water from the well stream. This is accomplished with the use of vessels designed to hold fluid long enough for this separation to take place. The liquid level controller dictates how long these fluids will remain in the vessel. This is typically accomplished with the use of three different styles of controllers; mechanical, pneumatic, and floatless. This paper will discuss the different types of controllers, how the function, applications for each and the different valves they operate.