The Drilling Fluid & Lubricants known as the mud system — is the single component of the well-construction process that remains in contact with the wellbore throughout the entire drilling operation. Drilling Fluid & Lubricants Dubai, Saudi Arabia, UAE, Africa are designed and formulated to perform efficiently under expected wellbore conditions.Drilling Fluid & Lubricants are special types of additives when mixed in drilling fluids impart lubricating properties in extreme pressure conditions.
Source: https://www.drilltechinternational.com/drilling-fluid-lubricants.php