Conocophillips Company

Subhadeep Chowdhury

Gary W Targac

Method of monitoring produced water at each perforation or entry point by real time ion sensor deployed downhole to measure the content of water soluble ions is discussed. Methods of determining and differentiating nature of water breakthrough in oil production; such as between cycled injection water through a void space conduit, matrix swept injection water and formation water, especially as relates to offshore oil production, are also discussed. Real time ion sensors are deployed and compared with known standards to monitor and remediate water breakthrough, prevent scale deposition, and the like.

Real time downhole water chemistry and uses

Method of monitoring produced water at each perforation or entry point by real time ion sensor deployed downhole to measure the content of water soluble ions. Methods of determining and differentiating nature of water breakthrough in oil production; such as between cycled injection water through a void space conduit, matrix swept injection water and formation water, especially as relates to offshore oil production. Real time ion sensors are deployed and when compared with known standards are used to monitor and remediate water breakthrough, prevent scale deposition, and the like.

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Houston, TX, United States of America

Subhadeep Chowdhury