CONTACT US SUPPORT

Central North Sea Salinity Database

Introduction

– EXA salinity catalogue based on analysis of water gradients in the UK, Norwegian and Danish North Sea, for stratigraphic horizons from Eocene to Permian.  A valuable resource for petrophysicists and others for calculating Rw in all main hydrocarbon reservoirs.

The database comprises the most extensive set of salinity data for Central North Sea ever published.

Partners

  • Partners
Benefits
  • A new and expanded source of Formation Water Salinity for hydrocarbon saturation analysis for the Central North Sea
  • Comparison with other, more limited publicly available sources

The database is invaluable for:

  • Calculation of water resistivity (Rw) for hydrocarbon saturation analysis
  • Aiding the understanding of vertical and lateral fluid flow
  • Understanding the role of overpressure in generating conduits to migration by fracturing
Deliverables
  • A high quality set of salinities derived from subsurface water gradients for 223 wells in the UK, Norwegian and Danish North
  • Sea Salinity Data organised by stratigraphic horizon from Eocene to Permian. North Sea Salinity Study Map
  • Information available as Excel spreadsheet and on CD – includes the input data from which the salinity values were derived
  • Well established water gradients based on RFT, MDT-type direct pressure measurements have been used to reveal water salinities, after corrected for subsurface pressure & temperature
  • The salinities compare favourably with published Rw and salinity values from several key publications.
Subscribe to our Emails