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Common Data Access Limited (CDA) is a not-for-profit subsidiary of Oil & Gas UK, set up in 1995 to provide data management services to its members and to the UK oil industry.
Become a member 
A secure repository of released and unreleased 2D and 3D seismic data for the UKCS, accessible on- and off line to CDA Members and approved Third Parties. More information
CDA's flagship service which started in 1995 and has grown into one of the world's largest single collections of digital well log data, accessible by CDA Members anywhere, anytime. More information
Metadata for UKCS wells, seismic surveys, production infrastructure and licences, searchable through forms and a map-interface and available to the public. More information
Data Management
Leading data management through important initiatives and reports on competency, standards, compliance, governance and good practice.
More information
DataStore Members
Production licensees meet their obligations to DECC by submitting well data and seismic data to the CDA DataStores. They also enjoy low cost and rapid access to released well and seismic data. Find out more about CDA Membership
CDA and the UKCS NDR
CDA is a significant and vitally important component of the private/public partnership that constitutes the NDR (National Data Repository) for the UKCS.
