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@fathyesam #Mud #Pumps Circulate #Drilling Fluid In #oil and #gas drilling, mud pumps circulate drilling fluid, also known as drilling mud, through the drill string and back up the annulus (the space between the drill string and the sides of the hole being drilled). This circulation serves several important purposes: 1. Cooling and lubricating the drill bit: Drilling creates a significant amount of heat due to friction between the drill bit and the rock formation. The drilling mud helps cool the