How to Repair Well Casing

A well casing may become damaged as a result of several different occurrences. The most common source of well casing damage is earthquakes or other minor seismic activity. Earthquakes often cause cracking or splits in a well casing, which can allow sand to spew into the well through these openings. This can quickly block up the well irrigation system and cause reduced water flow, or complete loss of water altogether. It is important to accurately access the damage in your well. If your well casing has simply become brittle or frail, there is no real way to fix it. Proper machinery and gadgets must be used to diagnose the well casing problem and rectify it.

Downhole camera
Electro-hydraulic swage
Measuring tape

Instructions

- 1
  Lower the downhole camera into the water shaft. Use this camera to pinpoint the exact root cause of the casing damage, which is either a crack or a break in the casing. This will appear as a large bulge, or a metaphorical rock tumor in the well shaft.
- 2
  Make a mark on the body of the camera wire when you have found the depth of the problem. Withdraw the camera and measure how far down the crack or split is.
- 3
  Lower the hydraulic swage down to the depth of the crack. Activate the machinery by either pressing a button or pulling a lever, depending on the model. The swage will open outwards and compress the bulging crack or split back into the well casing. (Think of the machine like a reverse Venus fly trap)
- 4
  Withdraw the swage, and again lower the downhole camera to see if the well casing has been repaired.

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