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How can a borehole camera be used with a piezometer?

Questions and AnswersHow can a borehole camera be used with a piezometer?
Admin Staff asked 10 months ago
1 Answers
Admin Staff answered 10 months ago

A piezometer can be used in to check on the casing of domestic well water and to check if pressure transducer is stuck inside. Such cases were found in Ohio, where borehole camera and piezometer were coupled together.
A deep water well was drilled where a flood abandoned mine was present. The mine was cased off and a well was built. Initially, the well had good water quality as the well was new. Later, the quality of water had started deteriorating after a few months. The borehole camera with piezometer was used and was found out that at 102 foot level there was a rupture in the casing. Mine water was streaming through it. The mine water was flowing downwards and mixing with the well water. Soon after the casing was fixed.
In another instance, in a series of monitoring wells, piezometers were installed. A set of pressure transducers and data loggers was also installed to check water levels. After years of monitoring since well installation it was found that the water level was rising due to pressure transducer which got stuck. So borehole camera was used to check on the problem and for finding out how to remove pressure transducer. It was found that the casing has collapsed due to which it wasn’t possible to remove the pressure transducer. Later the casing was fixed.

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