Abstract
#Asphaltenedeposition in porous media would lead to reduction of
effective pore/throat radius when the pressure of reservoir fluid drops
below the onset of Asphaltene #flocculation pressure. Therefore, causing
major problems such as formation damage, more pressure drop around
the well-bore, increased #tendency to water and gas coning and
subsequently disruption the oil production rate and the #economicaloil recovery.
The main objective of this study is to estimate the gas coning height in
the vicinity of the production well- bore due to Asphaltene induced
formation damage and investigate the effect of various flow rates on gas
coning height using information of two reservoirs. The results prove
Asphaltene damages the reservoir by reducing #rockpermeability and
porosity and progressive increase of the #skinfactor and which can
result
in productivity impairment. So, it is important to clearly investigate
formation damages because removing them is so expensive and sometimes
impossible.
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For more Research Articles on BJSTR
Influences of #AsphalteneDeposition on Formation Damage and Gas Coning by Masoud Riazi in BJSTR
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