KOSUN mud tank is a large storage container used to hold reserves and handle of drilling fluid, also known as drilling mud, for a drill rig on the ground. Open topped and divided into several compartments, KOSUN mud tank is equipped with a guard rail and a catwalk allowing people to look into the tank to check on the level and consistency of the drilling fluid.

There are four functions of mud tanks

• Mud Storage Tank
• Mud Mixing Tank
• Drilling Mud Trip Tank
• Drilling Mud Recycling Tank