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MATRIX ACIDIZING OF HETEROGENEOUS CARBONATES: THE EFFECT OF HETEROGENEITY ON MATRIX ACIDIZING OF CARBONATE ROCKS - Couverture souple

Keys, Ryan

 
9783844314328: MATRIX ACIDIZING OF HETEROGENEOUS CARBONATES: THE EFFECT OF HETEROGENEITY ON MATRIX ACIDIZING OF CARBONATE ROCKS
Couverture souple
ISBN 10 : 3844314326 ISBN 13 : 9783844314328
Editeur : LAP LAMBERT Academic Publishing, 2011

Synopsis

In matrix acidizing, the goal is to dissolve minerals in the rock to increase well productivity. This is accomplished by injecting an application-specific solution of acid into the formation at a pressure between the pore pressure and fracture pressure. A hydrochloric acid solution is used in carbonate reservoirs, which actually dissolves the calcite rock matrix in the form of conductive channels called wormholes. These wormholes propagate from the wellbore out into the reservoir, bypassing the damaged zone. In matrix acidizing of carbonates, there are four parameters that affect performance: the concentration of calcite present, injection rate of the acid, reaction type, and heterogeneity. Of these parameters, this paper will focus on how rock heterogeneity affects performance. To do this, a coreflood and acidizing apparatus was used to acidize heterogeneous limestone core samples. Rock characterizations and volumetric measurements were considered with the results from these experiments, which made it possible to correlate and quantify the results with rock and volume parameters.

Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.

Présentation de l'éditeur

In matrix acidizing, the goal is to dissolve minerals in the rock to increase well productivity. This is accomplished by injecting an application-specific solution of acid into the formation at a pressure between the pore pressure and fracture pressure. A hydrochloric acid solution is used in carbonate reservoirs, which actually dissolves the calcite rock matrix in the form of conductive channels called wormholes. These wormholes propagate from the wellbore out into the reservoir, bypassing the damaged zone. In matrix acidizing of carbonates, there are four parameters that affect performance: the concentration of calcite present, injection rate of the acid, reaction type, and heterogeneity. Of these parameters, this paper will focus on how rock heterogeneity affects performance. To do this, a coreflood and acidizing apparatus was used to acidize heterogeneous limestone core samples. Rock characterizations and volumetric measurements were considered with the results from these experiments, which made it possible to correlate and quantify the results with rock and volume parameters.

Biographie de l'auteur

Ryan Keys completed his Master of Science in Petroleum Engineering degree in 2009 from Texas A&M University. He also holds a Bachelor of Science in Mechanical Engineering from the University of Texas at Austin. Ryan currently works for Object Reservoir, Inc as a reservoir engineer specializing in unconventional gas resources.

Les informations fournies dans la section « A propos du livre » peuvent faire référence à une autre édition de ce titre.

Éditeur
LAP LAMBERT Academic Publishing
Date d'édition
2011
Langue
anglais
ISBN 10 
3844314326
ISBN 13 
9783844314328
Reliure
Broché
Nombre de pages
120
Coordonnées du fabricant
non disponible
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