1887

Abstract

Summary

Scleroglucan is an attractive biopolymer for EOR thanks to its resistance to shear, salinity, temperature and to its low environmental impact. However, previous scleroglucan grades suffered from a lack of filterability because of polymer aggregates and broth residues coming from their synthesis. A new EOR-grade scleroglucan has been submitted to lab experiments. Care must be taken to properly solubilize this polymer in powder form. The injectivity of scleroglucan solutions into a low permeability limestone at residual oil saturation is good and adsorption of the macromolecule on the rock is low. Thus the last technical barriers for scleroglucan to be used as a powerful flooding agent have been removed. Moreover, it can be a potential conformance control agent in low permeability reservoirs.

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/content/papers/10.3997/2214-4609.201801439
2018-06-11
2020-03-30
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