Composition of formation brine.

<p>Composition of formation brine.</p

Compound identification of extra recovered oil from core flood experiment.

<p>Compound identification of extra recovered oil from core flood experiment.</p

Basic core properties.

<p>Basic core properties.</p

Dendrogram using maximum likelihood method.

<p>Ln Likelihood = -2263.74583. The isolate, <i>P</i>. <i>ehimensis</i> strain BS1was found to be unique from those sequences retrieved from NCBI GenBank.</p

Cumulative oil recovery by <i>P</i>. <i>ehimensis</i> BS1.

<p>The extra recovery of the crude oil by the action of the isolate accounted for 10–13%.</p

Viscosity of heavy crude oil under different shear rates.

<p>Viscosity of heavy crude oil under different shear rates.</p

ICP-MS analysis.

<p>ICP-MS analysis.</p