DEVELOPMENT OF A ROBUST INTELLIGENT MODEL TO DETERMINE FRACTURE CONDUCTIVITY BASED ON FORMATION LITHOLOGY

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AKBARI M.R.; AMERI M.J.; POURNIK M.

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Seminar Paper

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Seminar: INTERNATIONAL CONFERENCE ON SCIENCE AND ENGINEERING
Year:2015 | Issue:1

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Title

DEVELOPMENT OF A ROBUST INTELLIGENT MODEL TO DETERMINE FRACTURE CONDUCTIVITY BASED ON FORMATION LITHOLOGY

Author(s)

AKBARI M.R. | AMERI M.J. | POURNIK M.

Keywords

WELL STIMULATION

ACID FRACTURING

ACID FRACTURE CONDUCTIVITY

INTELLIGENT MODELING

FRACTURE CONDUCTIVITY CORRELATIONS

Abstract

ACID FRACTURING IS ONE OF THE WIDELY USED TECHNIQUES FOR STIMULATING WELL PRODUCTION. IT IS AN ALTERNATIVE TO PROPPANT FRACTURING FOR LIMESTONE OR DOLOMITE FORMATIONS. THE SUCCESS OF ACID FRACTURING IS DEPENDENT ON BOTH THE CREATION OF EFFECTIVE FRACTURE CONDUCTIVITY AND FRACTURE PENETRATION. ALTHOUGH THERE HAS BEEN A SIGNIFICANT AMOUNT OF STUDIES ON THE ACID FRACTURING PROCESS, MOST OF THESE HAVE CONCENTRATED ON THE ACID PENETRATION DISTANCE WITH ONLY A FEW DEALING WITH FRACTURE CONDUCTIVITY. ACCURATE DETERMINATION OF THIS PARAMETER IS CRITICAL FOR AN ADEQUATE DESIGN OF FRACTURING JOBS AND PROJECT INVESTMENT PROSPECTS. DUE TO THE STOCHASTIC PROCESS INHERENT IN ACID FRACTURING, ATTEMPTS AT MODELLING HAVE BEEN MET WITH CHALLENGES, PARTICULARLY IN PREDICTING CONDUCTIVITY. IN THIS STUDY, AN INTELLIGENT MODEL WAS DEVELOPED TO PREDICT ACID FRACTURE CONDUCTIVITY. ACID DISSOLVING POWER AND INJECTION RATE AS THE TREATMENT PARAMETERS AND ROCK EMBEDMENT STRENGTH AS THE FORMATION PARAMETER ARE CONSIDERED AT DIFFERENT CLOSURE STRESSES, AND ULTIMATELY, FRACTURE CONDUCTIVITY WAS ANTICIPATED USING THE SUGGESTED MODEL. THE RESULTS SHOWED AN EXCELLENT MATCH WITH THE EXPERIMENTAL DATA COMPARED TO COMMON INDUSTRIAL MODELS. FORMATION LITHOLOGY PLAYED A SUBSTANTIAL ROLE IN ACID FRACTURE CONDUCTIVITY AND LUMPED MODELS WERE NOT ADEQUATE TO PREDICT FRACTURE CONDUCTIVITY.

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APA: Copy

AKBARI, M.R., AMERI, M.J., & POURNIK, M.. (2015). DEVELOPMENT OF A ROBUST INTELLIGENT MODEL TO DETERMINE FRACTURE CONDUCTIVITY BASED ON FORMATION LITHOLOGY. INTERNATIONAL CONFERENCE ON SCIENCE AND ENGINEERING. SID. https://sid.ir/paper/909079/en

Vancouver: Copy

AKBARI M.R., AMERI M.J., POURNIK M.. DEVELOPMENT OF A ROBUST INTELLIGENT MODEL TO DETERMINE FRACTURE CONDUCTIVITY BASED ON FORMATION LITHOLOGY. 2015. Available from: https://sid.ir/paper/909079/en

IEEE: Copy

M.R. AKBARI, M.J. AMERI, and M. POURNIK, “DEVELOPMENT OF A ROBUST INTELLIGENT MODEL TO DETERMINE FRACTURE CONDUCTIVITY BASED ON FORMATION LITHOLOGY,” presented at the INTERNATIONAL CONFERENCE ON SCIENCE AND ENGINEERING. 2015, [Online]. Available: https://sid.ir/paper/909079/en

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