Archives: Glossary Terms

A Subsea Control System is the network of electronic, hydraulic, and mechanical equipment that operates and monitors subsea production equipment on the seafloor. It acts…

An AUV, or Autonomous Underwater Vehicle, is a self-propelled, unmanned robotic platform used extensively in the offshore oil and gas industry for subsea survey, inspection,…

A Remotely Operated Vehicle (ROV) is an uncrewed, tethered underwater robot used extensively in the offshore oil and gas industry for subsea inspection, intervention, construction…

A semi-submersible (often called a “semi”) is a mobile offshore drilling unit (MODU) that floats on large, submerged pontoons while being held in position by…

A drillship is a specialized maritime vessel designed for offshore drilling operations, particularly in deepwater and ultra-deepwater environments. Unlike fixed platforms or semi-submersibles, a drillship…

A Jack-Up Rig is a mobile, self-elevating offshore drilling or workover platform used in shallow to moderate water depths, typically up to 400 feet (120…

A pipeline in the offshore and subsea context is a long-distance, continuous conduit system designed for the bulk transportation of hydrocarbons—crude oil, natural gas, and…

Subsea boosting is a production enhancement technology that uses pumps installed directly on the seafloor near the wellhead to increase the pressure of reservoir fluids…

The Xmas Tree (or Christmas Tree) is an essential piece of surface or subsea wellhead equipment used in the oil and gas industry to control…

A manifold in offshore and subsea oil and gas operations is a critical piece of equipment that serves as a central hub for routing, controlling,…

A template in offshore and subsea oil and gas operations is a large, heavy, steel-framed structure that is placed on the seabed to serve as…

In offshore oil and gas engineering, a jacket is a fixed steel substructure that supports a topside platform above the water surface. It typically consists…