A mechanical process where a wellbore is drilled below the seabed. Offshore drilling. It is a method used to explore and extract oil and gas from beneath the ocean floor.
A part of the infrastructure that conveys sewage or surface runoff is known as sewers. Sewers are underground pipes that carry waste and rainwater away from homes and streets to treatment facilities.
A blob of petroleum which has been weathered after floating in the ocean. Tarball. Tarballs are sticky, weathered clumps of oil that form in the ocean after a spill.
A facility which processes removing contaminants from municipal wastewater. Wastewater treatment plant. A wastewater treatment plant cleans dirty water from homes and businesses so it can be safely returned to the environment.