Paper Information

Title: 

SANDING POTENTIAL EVALUATION BASED ON A NEW TRUE-TRIAXIAL FAILURE CRITERION

Type: PAPER
Author(s): KAFFASH AMIN,ZARE REISABADI MOHAMMADREZA*
 
 *DEPARTMENT OF PETROLEUM ENGINEERING, AHWAZ FACULTY OF PETROLEUM ENGINEERING, PETROLEUM UNIVERSITY OF TECHNOLOGY, ABADAN, IRAN
 
Name of Seminar: INTERNATIONAL CONFERENCE OIL, GAS, PETROCHEMICAL AND POWER PLANT
Type of Seminar:  CONFERENCE
Sponsor:  SHERKATE TAVONI AMOZESHI PAZHOHESHI VESTA
Date:  2012Volume 1
 
 
Abstract: 

SAND PRODUCTION IS AN IMPORTANT CHALLENGE IN UPSTREAM OIL AND GAS INDUSTRY, CAUSING OPERATIONAL AND SAFETY PROBLEMS. SELECTION OF AN APPROPRIATE FAILURE CRITERION IS NECESSARY IN ANALYTICAL SAND PREDICTION STUDIES. VARIOUS FAILURE CRITERIA HAVE BEEN USED IN SAND ONSET MODELING. MOHR-COULOMB IS MOST APPLIED FAILURE CRITERION BUT IT IS CONSERVATIVE IN SAND INITIATION PREDICTION BECAUSE IT DOES NOT CONSIDER EFFECT OF INTERMEDIATE PRINCIPAL STRESS. RECENTLY AL-AJMI AND ZIMMERMAN HAVE DEVELOPED THREE DIMENSIONS MOGI-COULOMB FAILURE CRITERION AND APPLIED IT IN STABILITY ANALYSIS DURING DRILLING CONDITION. BASED ON GOOD RESULTS OF THIS CRITERION IN STABILITY ANALYSIS, THIS RESEARCH PRESENT AN ANALYTICAL SAND PREDICTION MODEL USING MOGI-COULOMB FAILURE CRITERION FOR DETERMINATION OF MAXIMUM SAND FREE DRAWDOWN FOR THE FIRST TIME. THE DEVELOPED MODEL IS APPLIED IN OPEN HOLE COMPLETION TO DETERMINE THE OPTIMUM WELLBORE TRAJECTORY. THE RESULTS SHOW THAT IN DIFFERENT IN SITU STRESS REGIMES THE INCLINATION AND AZIMUTH HAVE A SIGNIFICANT ROLE IN WELLBORE STABILITY DURING PRODUCTION. ALSO EFFECT OF RESERVOIR DEPLETION IS CONSIDERED AND CONCLUDED THAT IT INCREASES SANDING POTENTIAL.

 
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