Pressure gradient variations

Pressure gradient variations occur due to the presence of multiple formations, each with its own pore and fracture pressure. As different types of rock are drilled, it becomes necessary to set casing to isolate low pressure zones from higher pressure zones.


The process of bringing formation fluids to surface in order to process hydrocarbons for sale.


Pressure relief value is a required safety device that releases gases and liquids to control or limit pressure within a system or a vessel.