Complex sentence: Mud logging, also known as hydrocarbon well logging, is a type of borehole well log usually performed by a third-party mud logging company, which provides well owners and producers with information about the lithology and fluid content of the borehole while drilling.
Split into simpler sentences: Mud logging, also known as hydrocarbon well logging, entails gathering technical data and creating a borehole well log, usually performed by a third-party mud logging company. This provides well owners and producers with information about the lithology and fluid content of the borehole while drilling.