Acidizing Seminar, BP Indonesia Acidizing Concepts and Design CONTENTS 1. Acid Types. 1.1 Inorganic Acids. 1.1.1 Hydrochloric Acid (HCl). 1.1.2 Hydrofluoric Acid (HF). 1.1.3 Other Inorganic Acids. 1.2 Organic Acids. 1.2.1 Acetic Acid (CH3COOH). 1.2.2 Acetic Anhydride Acid. 1.2.3 Citric Acid (C6H8O7). 1.2.4 Formic Acid (HCOOH).
2. Acid Chemistry. 2.1 General Chemistry. 2.1.1 Acids. 2.1.2 Bases. 2.1.3 Salts. 2.2 Reactions Of Hydrochloric Acid (HCl). 2.3 Reactions Of Hydrofluoric Acid (HF). 2.4 Reactions Of Acetic Acid. 2.5 Reactions Of Formic Acid.
3. Acidizing Limestones, Dolomite And Sandstone Formations. 3.1 Limestone And Dolomite. 3.2 Sandstone Acidizing. 3.2.1 Optimising HCl:HF Acid Strength From Core Flow Studies. 3.2.2 Prevention Of Precipitation Of Reaction By-Products.
4. Acid Treatments. 4.1 Soaking-Agitation (Perforation Cleaning). 4.2 Fracture Acidizing (Limestones And Dolomites). 4.2.1 Rock Properties. 4.2.2 Type Of Acid. 4.2.3 Contact Time. 4.2.4 Spearhead Acid Control Technique. 4.3 Matrix Acidizing. 4.3.1 Matrix Acidizing Horizontal Wells.
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