Water Wells - Monitoring, Maintenance, Rehabilitation: Proceedings of the International Groundwater Engineering Conference, Cranfield Institute of Technology, UK

Front Cover
P. Howsam
CRC Press, Aug 30, 1990 - Architecture - 422 pages
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Throughout the world, boreholes and tubewells operate inefficiently or have been abandoned. Diagnosis of the problems requires hydrogeological and operational information, which is often not available because appropriate monitoring has not taken place. Guidelines on cost effective monitoring and maintenance need to be established; information on successful rehabilitation techniques is needed. This book forms the proceedings of a conference organised to exchange practical experience and scientific knowledge on these aspects of water wells.
 

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Contents

BOREHOLES AND WELLS THEIR MONITORING MAINTENANCE AND REHABILITATION
3
WELL MAINTENANCE AND REHABILITATION IN NORTH AMERICA AN OVERVIEW
8
CAUSES
17
WELL PERFORMANCE DETERIORATION AN INTRODUCTION TO CAUSE PROCESSED
19
AN EVALUATION OF THE RISK OF MICROBIAL CLOGGING AND CORROSION IN BOREHOLES
25
INFLUENCE OF CHEMICAL REGENERATION ON IRON BACTERIAL POPULATION AND OCHRE DEPOSITS IN TUBEWELLS
35
TUBEWELL FOULING AT A SALINITY INTERCEPTION SCHEME WAKOOL NSW AUSTRALIA
47
WELL DETERIORATION IN SINDH PAKISTAN
59
THE USE OF HIGH PRESSURE WATER JETTING AS A REHABILITATION TECHNIQUE
180
BOREHOLE YIELD DEVELOPMENT TECHNIQUES IN AN IRONRICH AQUIFER
195
EUCASTREAM SUCTION FLOW CONTROL DEVICE AN ELEMENT FOR OPTIMIZATION OF FLOW CONDITIONS IN WELLS
209
REHABILITATION IN PRACTICE
217
APPLICATION OF PHYSICO CHEMICAL TREATMENT TECHNIQUES TO A SEVERELY BIOFOULED COMMUNITY WELL IN ONTARIO C...
219
A CASE STUDYREHABILITATION OF AN IRON BIOFOULED PUBLIC SUPPLY BOREHOLE OTTER VALLEY SOUTH DEVON UK
236
A CASE STUDY OF SCREEN FAILURE AND BOREHOLE REHABILITATION IN THE LOWER GREENSAND AQUIFER OF SOUTHERN ENG...
244
THE ALLUVION RIVER COMPLEX OF THE LOIRE FRANCE
261

DIAGNOSIS AND MONITORING
73
BIOFOULING MONITORING METHODS FOR PREVENTIVE MAINTENANCE OF WATER WELLS
75
THE USE OF BOREHOLE CCTV SURVEYS
82
WELL PROBLEM IDENTIFICATION AND ITS IMPORTANCE IN WELL REHABILITATION
87
MONITORING AND PREVENTION OF IRON BIOFOULING IN GROUNDWATER ABSTRACTION SYSTEMS
100
DIAGNOSTIC ANALYSIS OF WELL PERFORMANCE DATA
107
PREDICTING AND INTERPRETING WELL BEHAVIOUR AND WELL EFFICIENCY
114
IDENTIFYING CAUSES FOR LARGE PUMPED DRAWDOWNS IN AN ALLUVIAL WADI AQUIFER
130
CURES
149
WELL PERFORMANCE DETERIORATION AN INTRODUCTION TO CURE PROCESSES
151
EFFECT OF ACIDISATION ON CHALK BOREHOLES
158
WATER WELL REGENERATION NEW TECHNOLOGY
168
REHABILITATION OF DETERIORATED TUBEWELLS IN PUNJAB SCARPS
291
MONITORING MAINTENANCE AND REHABILITATION OF WATER SUPPLY WELLS IN INDIA STATE OF ART
303
VILLAGE BASED HANDPUMP MAINTENANCE EXPERIENCES FROM SRI LANKA
314
REHABILITATION OF PROBLEM WELLS IN ORISSA DRINKING WATER SUPPLY PROJECT
321
MONITORING MAINTENANCE AND REHABILITATION STRATEGIES FOR BIOFOULING CONTROL IN WATER WELLS IN RIO NEGRO A...
338
REHABILITATION OF IRRIGATION WELLS IN NORTHERN OMAN A CASE STUDY
344
ECONOMIC AND MANAGEMENT FACTORS
351
BENEFITS OF PROPER MONITORING AND MAINTENANCE
353
RURAL WELL REHABILITATION AND MAINTENANCE IN WELO ETHIOPIA
391
THE MANAGEMENT OF IRRIGATION TUBEWELLS
404
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