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Spread Mooring
Arrangement of buoys anchored in place for ship berthing, typically for loading and unloading oil or natural gas.
Energy security
Continuous availability and affordability of energy services.
Seismic
Exploratory method using sound waves to map subsurface geological formations. Sound signals are emitted into subsurface rock layers. Energy reflects at interfaces between rock layers. Reflected signals are captured by receivers. Data are processed into images representing subsurface formations.
Ship-to-ship
Direct transfer of petroleum and derivatives between ships without onshore facilities.
2D Seismic
Data acquired along straight lines with large spacing, providing imprecise subsurface images.
3D Seismic
High-density data grids providing precise, three-dimensional subsurface images.
Rig
Equipment used for drilling.