Polymer Flooding
1. If we need approximately 10 tons of polymer-containing water,
which requires to be injected - in order to recover -
just one ton of crude oil, then,
how much wastewater is expected to be produced
in the case of
(a) nearly homogeneous and isotropic sandstone reservoir? &
(b) with a significant heterogenic and anisotropic sandstone reservoir?
2. What does it indicate, if we happen to observe
partially hydrolyzed polyacrylamide (HPAM) content -
from the produced wastewater -
to remain to be - greater than 500 mg/l?
Whether such produced wastewater
could be treated with ease,
given the fact that
HPAM not only remains associated with
increasing the viscosity of the produced wastewater –
but, it is, also associated with an extremely high molecular weight,
which ranges over several million Daltons?
3. How efficient are the currently used approaches
such as
gravity sedimentation,
coagulation and
filtration -
towards removing oil droplet and other particles -
from the produced wastewater
(if the wastes remain to be highly emulsified and have enhanced stability)?
OR
Should we go ahead with biodegradation or any advanced oxidation processes?
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