It is purchased commercially on licence. It contains information on well registration, position, terminal depth, well status, operator, drilling sequence number, confidentiality of the well data, spud and completion dates. Some limited lithostratigraphical or chronostratigraphical information is available. The only information available in the GDI is the location of the well. A Quadrant is a means of dividing offshore areas in to identifiable parts.
Blocks are a subdivision of a quadrant.
Marine gravity and magnetic data Unadjusted ship gravity, magnetic and bathymetry data acquired by BGS as part of its Offshore Reconnaisance Mapping Programme. This programme commenced in 1967, and was funded mainly by the Department of Energy. Unadjusted ship gravity and bathymetry data from various commercial and academic surveys between 1965 and 1994. Confidential M.O.D Hydrographic Office integrated ship gravity and magnetics surveys of NW Europe marine areas for which BGS acts as agent. Network adjusted gravity and magnetic compilations of data from BGS and non-BGS sources.