OPERATION AND MAINTENANCE OF EXTRACTION AND INJECTION WELLS AT HTRW SITES
Chapter 1. Introduction - EP-1110-1-270006
Safety - EP-1110-1-270007
Basis
Chapter 2. Suggested Minimum Baseline Data for Each Well
Table 2-1. Definitions of Poor Well Performance and Causes
Table 2-2. Parameters Useful in Well Maintenance Monitoring
Well Tests: Purpose and Description
Constant rate and slug tests.
Specific Capacity Data
Development Data
Development data gathered and significance.
Well Construction Diagram
Pump, Flow Meter, Pressure, Electrical, and other Monitoring
Water-level measurement recommendations include
Table 2-3. Features of Water-Level Measurement Methods
Ground Water Geochemistry: Hazardous and Nonhazardous
Table 2-4. Summary of Physicochemical Methods Relevant to Well Maintenance
Table 2-5. Well Treatment Chemical Incompatibility
Biological Assay
Field Data Reporting and File Documentation
File records purpose and format issues.
Electrical, power and pump mechanical information
Chapter 3. Historical Data: Influence on Pumping/Injection and Drawdown Results
Water-Level Data
Video for Historical Comparison
Downtime History
Chapter 4. Data Evaluations and Troubleshooting in Well System Maintenance
Quarterly Review of Site Performance Data
Operator/Working Crew Leader Qualifications and Training
Biological Activity Implications
Impacts on Plant
Input and output effects
Chapter 5. Schedule of Maintenance Actions for Wells
Table 5-1. Minimal First-Year PM Schedule
Table 5-2 Troubleshooting New Site Data Needs
Schedule for Reducing Maintenance After First Year
Table 5-3. Long-Term PM Schedule
Chapter 6. Chemical Dosage for Wells
Table 6-1. Recommended Acid Compounds
Table 6-2. Common Well Cleaning Chemicals in Use -- Not Recommended
Blended method treatments.
Calculation Work Sheets
Chapter 7. Health and Safety Concerns
Hazard review.
Chapter 8. Checklists
Chapter 9. Suggested Maintenance (Minimum and Optimum)
Computers and controllers.
Table 9-1. Design and Equipment for Wellheads to Facilitate Maintenance
Chemical Addition
Chemical Recovery
Well development and redevelopment methods
Maintenance Monitoring Well Deterioration and Redevelopment Evaluation
Biofouling microbial component
Chapter 10. O&M Equipment Needed
Provision of Maintenance Equipment
Table 10-1. Approximate Costs of PM Equipment
Appendix A. List of References and Bibliography
Literature references
Literature references (cont)
Concensus Standards.
Concensus Standards. (cont)
Appendix B. Explanations of Abbreviations and Terms
Depositional biofouling
Shock treatment
Appendix C. Experience Basis and Maintenance Treatment Example
Maintenance Treatment for Wells: Basic Procedure
Maintenance Treatment for Wells: Basic Procedure (cont)
Treatments for Heavily Impacted Wells
Appendix D. Examples of Logs, Checklists, Calculations.
EXTRACTION WELL PUMPING TEST DATA
Plate D-2
Plate D-3
Plate D-4
Volume of Water in Casing or Hole
EXTRACTION, INJECTION, AND MONITORING WELLS
Problems to Watch For
Plate D-7
EXTRACTION WELL CLEANING DATA
EXTRACTION WELL DEVELOPMENT DATA
WELL SERVICE RECORD
WELLS CONTRACTING LP Groundwater Contractors
Plate D-12
HTRW Drilling LOG
Plate D-13
Big Superfund Site
Big Superfund Site (cont)
EP 1110-1-27
Chapter 1. Introduction - EP-1110-1-270006
Safety - EP-1110-1-270007
Basis
Chapter 2. Suggested Minimum Baseline Data for Each Well
Table 2-1. Definitions of Poor Well Performance and Causes
Table 2-2. Parameters Useful in Well Maintenance Monitoring
Well Tests: Purpose and Description
Constant rate and slug tests.
Specific Capacity Data
Development Data
Development data gathered and significance.
Well Construction Diagram
Pump, Flow Meter, Pressure, Electrical, and other Monitoring
Water-level measurement recommendations include
Table 2-3. Features of Water-Level Measurement Methods
Ground Water Geochemistry: Hazardous and Nonhazardous
Table 2-4. Summary of Physicochemical Methods Relevant to Well Maintenance
Table 2-5. Well Treatment Chemical Incompatibility
Biological Assay
Field Data Reporting and File Documentation
File records purpose and format issues.
Electrical, power and pump mechanical information
Chapter 3. Historical Data: Influence on Pumping/Injection and Drawdown Results
Water-Level Data
Video for Historical Comparison
Downtime History
Chapter 4. Data Evaluations and Troubleshooting in Well System Maintenance
Quarterly Review of Site Performance Data
Operator/Working Crew Leader Qualifications and Training
Biological Activity Implications
Impacts on Plant
Input and output effects
Chapter 5. Schedule of Maintenance Actions for Wells
Table 5-1. Minimal First-Year PM Schedule
Table 5-2 Troubleshooting New Site Data Needs
Schedule for Reducing Maintenance After First Year
Table 5-3. Long-Term PM Schedule
Chapter 6. Chemical Dosage for Wells
Table 6-1. Recommended Acid Compounds
Table 6-2. Common Well Cleaning Chemicals in Use -- Not Recommended
Blended method treatments.
Calculation Work Sheets
Chapter 7. Health and Safety Concerns
Hazard review.
Chapter 8. Checklists
Chapter 9. Suggested Maintenance (Minimum and Optimum)
Computers and controllers.
Table 9-1. Design and Equipment for Wellheads to Facilitate Maintenance
Chemical Addition
Chemical Recovery
Well development and redevelopment methods
Maintenance Monitoring Well Deterioration and Redevelopment Evaluation
Biofouling microbial component
Chapter 10. O&M Equipment Needed
Provision of Maintenance Equipment
Table 10-1. Approximate Costs of PM Equipment
Appendix A. List of References and Bibliography
Literature references
Literature references (cont)
Concensus Standards.
Concensus Standards. (cont)
Appendix B. Explanations of Abbreviations and Terms
Depositional biofouling
Shock treatment
Appendix C. Experience Basis and Maintenance Treatment Example
Maintenance Treatment for Wells: Basic Procedure
Maintenance Treatment for Wells: Basic Procedure (cont)
Treatments for Heavily Impacted Wells
Appendix D. Examples of Logs, Checklists, Calculations.
EXTRACTION WELL PUMPING TEST DATA
Plate D-2
Plate D-3
Plate D-4
Volume of Water in Casing or Hole
EXTRACTION, INJECTION, AND MONITORING WELLS
Problems to Watch For
Plate D-7
EXTRACTION WELL CLEANING DATA
EXTRACTION WELL DEVELOPMENT DATA
WELL SERVICE RECORD
WELLS CONTRACTING LP Groundwater Contractors
Plate D-12
HTRW Drilling LOG
Plate D-13
Big Superfund Site
Big Superfund Site (cont)
EP 1110-1-27
