Authors :
Omoniyi OmotayoAdewale; A. Dodo Ibrahim Sulaiman; Surajudeen Abdulsalam; Mohammed Adamu Bello
Volume/Issue :
Volume 8 - 2023, Issue 5 - May
Google Scholar :
https://bit.ly/3TmGbDi
Scribd :
https://tinyurl.com/bwu4rtbw
DOI :
https://doi.org/10.5281/zenodo.10642829
Abstract :
The major objective of the present
investigation was to study combined polymer flooding
with low salinity water for enhanced oil recovery in
dolomite reservoirs using okro (Abelmoschus
esculentus)with the formulation of saline water and
synthetic sea water, to design the core flooding set up
and to conduct displacement experiments on six (6)
dolomite core samples as well as studying the effect of
concentration of Okropolymer, HPAM and saline water
on oil recovery.When a reservoir is flooded with
polymer, the mobility ratio between the displaced fluid
and the displacing fluid become favourable compared to
the conventional water flooding. In the oil and gas
industry, the synthetic polymer polyacrylamide in
hydrolysed form and the biopolymer xanthan are being
used for this purpose. However, the polyacrylamide is
vulnerable to high temperature and salinity. Also, its
synthetic nature makes it harmful to the environment.
The biopolymer xanthan has the problem of degradation
and both are very expensive. With the shortfall in crude
oil price coupled with the high cost of exploitation and
drilling new wells, there is need to look inward and think
out of the box in formulating new improved polymers
that can battle these problems. Natural polymers from
agricultural and forest produce are rampant in nature,
cheap and environmentally friendly. These agricultural
and forest produce contain starch and cellulose which
are known to have rigid and long polysaccharide chains
that can withstand the rough reservoir conditions. This
study, therefore, investigate the use of
Abelmoschusesculentus (Okro) as a natural polymer that
can be used for enhanced oil recovery applications. It
was observed that this polymer exhibits non-Newtonian,
pseudoplastic and shear-thinning behaviours. Various
experiments conducted in this research indicate that
natural polymers can recover additional oil from an oil
field.
Keywords :
(Reservoir, Natural polymer, mobility ratio, Abelmoschusesculentus (Okro),biopolymer xanthan HPAM)
The major objective of the present
investigation was to study combined polymer flooding
with low salinity water for enhanced oil recovery in
dolomite reservoirs using okro (Abelmoschus
esculentus)with the formulation of saline water and
synthetic sea water, to design the core flooding set up
and to conduct displacement experiments on six (6)
dolomite core samples as well as studying the effect of
concentration of Okropolymer, HPAM and saline water
on oil recovery.When a reservoir is flooded with
polymer, the mobility ratio between the displaced fluid
and the displacing fluid become favourable compared to
the conventional water flooding. In the oil and gas
industry, the synthetic polymer polyacrylamide in
hydrolysed form and the biopolymer xanthan are being
used for this purpose. However, the polyacrylamide is
vulnerable to high temperature and salinity. Also, its
synthetic nature makes it harmful to the environment.
The biopolymer xanthan has the problem of degradation
and both are very expensive. With the shortfall in crude
oil price coupled with the high cost of exploitation and
drilling new wells, there is need to look inward and think
out of the box in formulating new improved polymers
that can battle these problems. Natural polymers from
agricultural and forest produce are rampant in nature,
cheap and environmentally friendly. These agricultural
and forest produce contain starch and cellulose which
are known to have rigid and long polysaccharide chains
that can withstand the rough reservoir conditions. This
study, therefore, investigate the use of
Abelmoschusesculentus (Okro) as a natural polymer that
can be used for enhanced oil recovery applications. It
was observed that this polymer exhibits non-Newtonian,
pseudoplastic and shear-thinning behaviours. Various
experiments conducted in this research indicate that
natural polymers can recover additional oil from an oil
field.
Keywords :
(Reservoir, Natural polymer, mobility ratio, Abelmoschusesculentus (Okro),biopolymer xanthan HPAM)
