TY  - JOUR
T1  - NUMERICAL ANALYSIS OF THE NEAR WELLBORE FLOW MECHANISMS CONTROLLING WELL PRODUCTIVITY
AU  - Bekbauov, Bakhbergen
AU  - Imansakıpova, Zemfira
PY  - 2018
DA  - June
DO  - 10.36222/ejt.468477
JF  - European Journal of Technique (EJT)
JO  - EJT
PB  - Hibetullah KILIÇ
WT  - DergiPark
SN  - 2536-5010
SP  - 63
EP  - 74
VL  - 8
IS  - 1
LA  - en
AB  - This studypresents three-dimensional (3D), thermal mathematical model of the simultaneousflow of two-phase immiscible fluids that can be used as a practical tool forthe simulation study and analysis of adjacent to wells flow phenomenacontrolling productivity. Based on the model, the corresponding near wellbore3D numerical model is developed subsequently, which can be used for conductinganalysis of time dependent development and dynamics of the oil-water interface (OWI)around the well producing from a bottom-water reservoir. The specializedsimulation tool for analyzing near-well flow has been applied to simulate theeffects of relative permeability modification (RPM) (or disproportionatepermeability reduction (DPR)), well completion (single or dual – with thebottom water drainage) and a barrier injected around the well bore on waterconing. This study presents a mechanistic study of gel injection process, theeffect of gel treatment for in-situ permeability modification on two-phaseflow, and posttreatment production forecasts. Model was also applied forsimulating production tests with and without artificial impermeable barrier,the effect of DWS technology on water coning performance and some combinationof above processes (methods). We propose a generalized version of the LETcorrelation for relative permeability approximation which takes into accountgel – reservoir fluid transition zone. We also propose using a new formula forapproximation of Leverett J-function.
KW  - Disproportionate permeability reduction
KW  - Downhole Water Sink
KW  - Near wellbore flow
KW  - Water shut-off
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UR  - https://doi.org/10.36222/ejt.468477
L1  - https://dergipark.org.tr/en/download/article-file/550343
ER  -