These wells can be 10 miles below the surface of the water and ocean bed. Drilling mud is usually a water-based viscous slurry of suspended clay-like colloids, but it can vary depending on where it is ...

Offshore drilling fluids are also known as muds that are used for lubrication ... Based on type it is categorized into oil-based fluids (OBF), water-based fluids (WBF), synthetic-based fluids (SBF), ...