Water is injected into the reservoir to Enhance Oil Recovery by maintaining the reservoir pressure and to sweep oil towards the production wells. Barium in the formation water will react with the injected seawater sulphate ions causing Barium Sulphate scale.
The industry recognised solution is to remove sulphate from seawater before injection. This also helps prevent well souring by controlling sulphate reducing bacteria. VWS Westgarth is the world's leading supplier of SRP.
VWS Westgarth is an upstream water treatment specialist and a member of the VWS Oil & Gas Division of Veolia Water Solutions & Technologies. Click on the links below to be re-directed to the VWS Westgarth website for more specialised information.
Typical process steps:
