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Abstract

Summary

EOR requires specifically treated seawater adjusted with suitable ionic composition for the injection into the reservoir. Field experience shows that pretreatment constitutes cause significant concern at high volume rates during injection. High algae and silt concentrations in feed seawater cause rapid fouling of membranes. Seawater prefiltration imposes challenge due to heavy weight and expensive maintenance. The present study covers historical observations of ocean warming and important mechanisms of membrane fouling due to algal blooming. A modeling data is extracted with Marine Research Institute of Norway. Ecological and hydrodynamic models of Intergovernmental Panel on Climate Change (IPCC) scenario were used to investigate the effects of climate change on the marine ecosystem of the North Sea. Results indicate increasing phytoplankton and temperature trends.

The solution to remove particles and algae is to install parallel pretreatment system, switching between such units to allow frequent cleaning of some while the parallel units are active. This research includes an estimation of acceptable cost and weight values for the pre-filtration system.

Complex knowledge about phytoplankton and silt concentrations fluctuations must be applied towards development of technically and economically efficient solution for seawater filtration in large volumes.

© EAGE Publications BV
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/content/papers/10.3997/2214-4609.201700263
2017-04-24
2024-04-19

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Cost-effective Seawater Pre-treatment for EOR Development
Conference Proceedings 2017, 1 (2017); https://doi.org/10.3997/2214-4609.201700263
/content/papers/10.3997/2214-4609.201700263
/content/papers/10.3997/2214-4609.201700263
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