Affiliation:
1. ExxonMobil Upstream Research Co.
Abstract
Abstract
Carbonate coreflood experiments have demonstrated the potential for Advanced Ion Management (AIMSM) to significantly increase oil recovery compared to waterflood using formation water. AIMSM involves adding and/or removing ions from the injection water to improve waterflood performance. AIMSM further improves current state-of-the-art processes through the addition of certain salts and/or the softening of water. Simulations have accurately matched the experiments, providing a tool to assess field-scale recovery and supporting the premise that the increased recovery is due to a change in wettability. This study shows that a relatively inexpensive and straightforward modification of injection water composition can significantly increase oil recovery.
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84 articles.
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