Valaris Limited (previously ENSCO-Rowan plc) is an contractor headquartered in Houston, Texas, and incorporated in . It is the largest and company in the world, and owns 52 rigs, including 36 offshore , 11 , and 5 . In 2022, the company's largest customer was (15% of revenues).
[pdf] A Mud Engineers are key player in the oil and gas industry. Their job is to manage drilling fluids, also known as “mud,” which are essential for drilling operations. These fluids keep the drill bit cool, carry rock cuttings to the surface, and stabilize the wellbore.
[pdf] 
This is the tank from which drilling fluid is pumped downhole and to which drilling fluid returns from the hole is received. The route taken by the drilling fluid when circulating is called the active (circulating) system. At the start of circulation, the Mud Pumps are lined up on the Active Tank, and drilling fluid is. .
These are used for storing fluids according to requirements. Reserve mud is usually prepared or stored in these tanks or different fluids in preparation for. .
The Sand Traps are usually positioned below the shale shakers and act as settling pits for the drilling fluid after passing through the shale shakers. The. .
These tanks are more minor than active and reserve tanks. They are used for preparing “slugs” (high-density mud that is pumped into the drill string before tripping out of the hole) and pills to address particular situations (e.g. an LCM pill to control formation losses, a unique mix to improve drilling mud properties, etc.). .
The Trip Tank is a tall, narrow tank located near the flow line and used for accurately monitoring drill pipe displacement volumes while tripping pipe in or out of the hole. Active drilling mud from the Trip Tank is circulated across the hole, and valves in the flow line near the Bell Nipple are realigned to send the fluid returns back to the Trip .
[pdf] 
