Acidizing Applications in Sandstones and Carbonates
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Acidizing Applications in Sandstones and Carbonates Course
Introduction:
Although acidizing is the oldest method of well stimulation, it is often applied with mixed results. It remains, however, a valuable tool for improving well productivity. The key to acidizing success is in the understanding of how it works, the optimum conditions for its application, and proper evaluation of well response after the acidizing treatment. The instructor will present many of the practical aspects of acidizing applications and help provide a better understanding of acidizing as a tool for enhancing well performance.
Course Objectives:
· Assess a well's need for acid stimulation
· Recognize the strengths and limitations of acidizing for stimulation purposes
· Investigate production problems from the standpoint of damage removal and improvement in well production
· Apply acid treatments strategically to improve success
· Approach acidizing applications from a practical viewpoint
· Recognize opportunities for enhancement of acidizing treatments using non-acid fluids
Course Outlines:
- Well stimulation objectives
- Types of formation damage
- Influence of skin factor
- Production improvement with skin removal
- Well stimulation and reservoir management
- Perforating techniques and well stimulation
- Acidizing for well stimulation
- Chemistry of sandstone acidizing
- Chemistry of carbonate acidizing
- Acid additives
- Treatment diversion
- Acid fracturing
- Rules of thumb
- Types of acids
- Sandstone acidizing guidelines
- Carbonate acidizing guidelines
- Re-stimulation of acidized wells
- QA/QC in acidizing applications
- Safety precautions
