Water Well Design and Site Selection
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Gain an understanding of the causes and the approaches used to prevent or correct poor well performance.Problems with well performance are usually preventable, often start with well construction and development, and are then exacerbated by water quality conditions, well operation and rehabilitation efforts. Discuss the key factors affecting well performance including well design, initial screen development, biological and mechanical plugging, and well rehabilitation methods. An asset management based approach is described that helps prioritize maintenance decisions and long term well field operation. Over the past several years there has been significant research done worldwide related to optimizing well performance. This research has included looking at the mechanisms involved with biological and mechanical plugging of aquifers, and the effectiveness of various rehabilitation technologies. This topic will discuss several studies in Europe that looked at the mechanisms associated with poor well performance and innovative approaches being used to prevent or correct poor well performance.
AuthorsChris Allen, Shannon & Wilson, Inc.
Well Design and Construction
• Wells and Geology
• Well Siting
• Putting Together Good Bid Specifications
• Well Screen Design Considerations
• Working With Drilling Contractors
Well Development Options and Long Term Performance Monitoring
• Goal of Well Development
• Pros and Cons of Development Options
• When Is Development Complete?
• Key Well Performance Monitoring Tools
• Rehabilitation Options (Mechanical, Chemical, Induced Resonance)
• Process More Important Than Technology
• Optimal Rehabilitation Approach
• Examples of Real World Rehabilitation Projects
Recent Studies Related to Improving and Maintaining Well Performance
• Induced Resonance Technology
• Improving Sediment Removal Rates During Well Development
• Preventative Maintenance to Sustain Well Performance