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Detecting well casing leaks in Bangladesh using a salt spiking method

Ground Water

By:
, , , , , , , , and
DOI: 10.1111/gwat.12200

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Abstract

We apply fluid-replacement logging in arsenic-contaminated regions of Bangladesh using a low-cost, down-well fluid conductivity logging tool to detect leaks in the cased section of wells. The fluid-conductivity tool is designed for the developing world: it is lightweight and easily transportable, operable by one person, and can be built for minimal cost. The fluid-replacement test identifies leaking casing by comparison of fluid conductivity logs collected before and after spiking the wellbore with a sodium chloride tracer. Here, we present results of fluid-replacement logging tests from both leaking and non-leaking casing from wells in Araihazar and Munshiganj, Bangladesh, and demonstrate that the low-cost tool produces measurements comparable to those obtained with a standard geophysical logging tool. Finally, we suggest well testing procedures and approaches for preventing casing leaks in Bangladesh and other developing countries.

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Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Detecting well casing leaks in Bangladesh using a salt spiking method
Series title:
Ground Water
DOI:
10.1111/gwat.12200
Volume
52
Issue:
S1
Year Published:
2014
Language:
English
Publisher:
State Water Control Board
Publisher location:
Richmond, VA
Contributing office(s):
Office of Groundwater-Branch of Geophysics
Description:
6 p.
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Ground Water
First page:
195
Last page:
200
Country:
Bangladesh