EFFECT OF DIFFUSION ON HISTORY MATCHING OF BLACK OIL SIMULATION OF NATURALLY FRACTURED RESERVOIR

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VAHDANI H.; Akbarifard G.

مرکز اطلاعات علمی Scientific Information Database (SID) - Trusted Source for Research and Academic Resources

Seminar Paper

Paper Information

Seminar: CHEMICAL ENGINEERING CONGRESS AND EXHIBITION
Year:2014 | Issue:8

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Title

EFFECT OF DIFFUSION ON HISTORY MATCHING OF BLACK OIL SIMULATION OF NATURALLY FRACTURED RESERVOIR

Author(s)

VAHDANI H. | Akbarifard G. | Issue Writer Certificate

Keywords

DIFFUSION

HISTORY MATCHING

BLACK OIL

Abstract

HISTORY MATCHING USUALLY IS DONE FOR MODEL VERIFICATION. A GOOD HISTORY MATCHING, HOW EVER DOES NOT GUARANTEE A GOOD MODEL. ALSO THE MODEL IS ONLY A REPRESENTATION OR AN ANALOGY OF THE RESERVOIR, BUT CHOOSING REASONABLE PROJECTION CAN TUNE THE MODEL FOR SPECIAL PURPOSES. UNLIKE CONVENTIONAL RESERVOIRS, DIFFUSION CAN AFFECT SIGNIFICANTLY ON AVERAGE RESERVOIR PRESSURE, FIELD WATER CUT AND FIELD GAS OIL RATIO OF FRACTURED RESERVOIR, BECAUSE MASS TRANSFER AND FLUID FLOW IS OCCURRED BY DIFFUSION BETWEEN MATRIX AND THE FRACTURE. IN BLACK OIL SIMULATION DIFFUSION TAKES PLACE WITH IN BOTH GAS AND OIL PHASES. THE CALCULATION OF THE DIFFUSIVITY IS ANALOGOUS TO THE CALCULATION OF TRANSMISSIBILITY, WITH THE PERMEABILITY REPLACED BY THE POROSITY. IN THE CASE OF FRACTURED RESERVOIRS MATRIX-FRACTURE COUPLING DIFFUSIVITIES ARE PROPORTIONAL TO THE OVERALL CELL VOLUME AND TO THE MATRIX CELL BULK VOLUME. IN THIS STUDY A CONSISTENT BLACK OIL MODEL IS USED TO STUDY THE EFFECT OF DIFFUSION ON MODEL PERFORMANCE. FIVE PHASES ARE PRESENTED IN THE MODEL INCLUDING OIL, WATER, GAS, DISSOLVED GAS AND VAPORIZED OIL. THE DIFFUSION COEFFICIENTS AND AVERAGE PHASE MOLECULAR WEIGHTS FOR EACH PHASE HAVE TO BE SUPPLIED. IN THE CASE OF CROSS PHASE DIFFUSION SEPARATE GAS IN OIL, GAS IN GAS, OIL IN GAS AND OIL IN OIL DIFFUSION COEFFICIENTS ARE CONSIDERED AND EFFECT OF EACH PARAMETERS ARE STUDIED.

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APA: Copy

VAHDANI, H., & Akbarifard, G.. (2014). EFFECT OF DIFFUSION ON HISTORY MATCHING OF BLACK OIL SIMULATION OF NATURALLY FRACTURED RESERVOIR. INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. SID. https://sid.ir/paper/916493/en

Vancouver: Copy

VAHDANI H., Akbarifard G.. EFFECT OF DIFFUSION ON HISTORY MATCHING OF BLACK OIL SIMULATION OF NATURALLY FRACTURED RESERVOIR. 2014. Available from: https://sid.ir/paper/916493/en

IEEE: Copy

H. VAHDANI, and G. Akbarifard, “EFFECT OF DIFFUSION ON HISTORY MATCHING OF BLACK OIL SIMULATION OF NATURALLY FRACTURED RESERVOIR,” presented at the INTERNATIONAL CHEMICAL ENGINEERING CONGRESS AND EXHIBITION. 2014, [Online]. Available: https://sid.ir/paper/916493/en

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