NUMERICAL INVESTIGATION OF ACID WORM HOLING DURING ACIDIZATION OF CARBONATE FORMATIONS

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Samadi Fereshteh; Esmaeilzadeh Feridun; MOWLA DARIUSH

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Seminar Paper

Paper Information

Seminar: NATIONAL CONFERENCE ON HYDROCARBON RESERVOIR ENGINEERING, SCIENCE AND RELATED INDUSTRIES
Year:2013 | Issue:2

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Title

NUMERICAL INVESTIGATION OF ACID WORM HOLING DURING ACIDIZATION OF CARBONATE FORMATIONS

Author(s)

Samadi Fereshteh | Esmaeilzadeh Feridun | MOWLA DARIUSH

Keywords

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Abstract

MATRIX ACIDIZING IS A TECHNIQUE TO STIMULATE WELLS FOR IMPROVING WELL INFLOW PERFORMANCE.IN THIS TREATMENT, ACID SOLUTION IS INJECTED INTO THE FORMATION AT PRESSURE BELOW THE ROCK FAILURE PRESSURE TO DISSOLVE SOME OF THE MINERALS TO INCREASE PERMEABILITY OF CARBONATES NEAR THE WELLBORE. IN THIS WORK, MATRIX ACIDIZING HAS BEEN SIMULATED IN THE RADIAL 3-D DOMAIN USING CONTINUUM/AVERAGE MODEL. THE REACTION KINETICS HAS BEEN CONSIDERED TO BE NONLINEAR AT SOLIDLIQUID INTERFACE. THE RESERVOIR IS CONSIDERED AS A HETEROGENEOUS MEDIA AND THE EFFECTS OF ACID MOLECULAR DIFFUSION, ACID CONVECTION BY FLUID BULK AND ACID REACTION WITH ROCK IN POROUS MEDIA ARE CONSIDERED. DIFFERENT DISSOLUTION PATTERNS OBSERVED IN THE EXPERIMENTS ARE SHOWN BY NUMERICAL SIMULATION RESULTS. TO VALIDATE THE MODEL, ONE SET OF ACIDIZING FIELD DATA OF WELL-5 SARKHOON WAS USED. RESULTS ARE DISCUSSED IN TERM OF SKIN FACTOR. IN PARTICULAR, THE CHANGE IN THE DOMINANT WORMHOLE GROWTH DYNAMIC IS INVESTIGATED DURING WORMHOLE PROPAGATION AROUND THE WELLBORE.

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APA: Copy

Samadi, Fereshteh, Esmaeilzadeh, Feridun, & MOWLA, DARIUSH. (2013). NUMERICAL INVESTIGATION OF ACID WORM HOLING DURING ACIDIZATION OF CARBONATE FORMATIONS. NATIONAL CONFERENCE ON HYDROCARBON RESERVOIR ENGINEERING, SCIENCE AND RELATED INDUSTRIES. SID. https://sid.ir/paper/919717/en

Vancouver: Copy

Samadi Fereshteh, Esmaeilzadeh Feridun, MOWLA DARIUSH. NUMERICAL INVESTIGATION OF ACID WORM HOLING DURING ACIDIZATION OF CARBONATE FORMATIONS. 2013. Available from: https://sid.ir/paper/919717/en

IEEE: Copy

Fereshteh Samadi, Feridun Esmaeilzadeh, and DARIUSH MOWLA, “NUMERICAL INVESTIGATION OF ACID WORM HOLING DURING ACIDIZATION OF CARBONATE FORMATIONS,” presented at the NATIONAL CONFERENCE ON HYDROCARBON RESERVOIR ENGINEERING, SCIENCE AND RELATED INDUSTRIES. 2013, [Online]. Available: https://sid.ir/paper/919717/en

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