Water Well Casing Replacement

What causes a well casing to crack.

Water well casing replacement.

Water well casing leak diagnosis repair. Frequently asked questions answers about how to fix a leaky or damaged water well casing. This article series describes the diagnosis and repair of leaky water well casings. Sources of casing repair tools kits methods and experts.

Fit the auger over the casing so that the drilling will break up the grout seal and sand pack surrounding the casing. Having yearly maintenance done by a qualified water well professional and periodic water quality testing will help you stay on top of any concerns. Water well casing leak diagnosis repair questions answers. Bilfinger water technologies can provide the production casing which connects to the well screen.

Large wells with casing diameters of 6 inches or greater may too big to overdrill depending on available equipment. Leaks into a well casing risk contaminating the well water with unsanitary ground water surface runoff and salts fertilizer bacteria or any other contaminant likely to be flowing on the ground surface. Here s how a casing can be damaged the signs of a bad well casing and how it s repaired. Construction of los angeles aqueduct 1907 1913.

The casing is the tube that extends above the ground and leads to the pump and water below. The cased section of any well houses the pump draws water from the source aquifer to the pump and seals the aquifer from contamination from adjacent zones. This article describes the diagnosis and repair of leaky water well casings. However casings and screens alone comprise the principal substance of a completed water well.

Steel casings are available in low carbon steel and series 200 304 and 316l stainless. An explanation of well efficiency appears in appendix 1. This activity can cause cracks or splits in the well casing and allow sand or other material into the well. Once you have identified a leak you have to figure out the cause of the damage.

A casing can last for many years but under the right circumstances it can be damaged and need to be repaired. Well casing repair is commonly required following minor seismic activity or earthquakes or simply due to casing deterioration. How to repair a water well casing. Repairing a water well casing should follow as soon as possible if you suspect a leak.

For example if the well casing is 2 inches in diameter overdrill the well with a 4 inch or larger auger.