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Can you trust a well driller?

  • 20-11-2015 09:05PM
    #1
    SmartinMartin
    Registered Users, Registered Users 2 Posts: 2,936 ✭✭✭


    Hi folks, I'm having a water well drilled at the minute, and the drilling company told me that they had to go over 200ft more than estimated, nearly 500ft in total. Is that unusual? How would you know they're being truthful?
    Another question, could I drop a weight on a string down to measure it? I know nothing about well design, so forgive me if it's a silly question, thanks.


Comments

  • #2
    GMSA
    Registered Users, Registered Users 2 Posts: 281 ✭✭GMSA


    SmartinMartin wrote: »
    Hi folks, I'm having a water well drilled at the minute, and the drilling company told me that they had to go over 200ft more than estimated, nearly 500ft in total. Is that unusual? How would you know they're being truthful?
    Another question, could I drop a weight on a string down to measure it? I know nothing about well design, so forgive me if it's a silly question, thanks.

    There are stories of some well drillers milking it alright. With the gear today it can be done in under 2 days.
    The drill sections are around 20ft in length so if they haven't pulled out the drill string yet you could count the sections as they are pulled out and unscrewed.
    I sank a well back in 04 and went to 120 ft before getting water but the flow rate was poor. Ended up going to 340 ft. Had only 3 more drill sections left. Anyone who has drilled wells in the locality were going at least 150ft and water quality was crap usually rust. Mine is fine as long asthere is a constant draw off it. If i go on holidays for a week when i get back i have "orange juice" on tap for a few mins when i open the cold tap.
    Crazy depth for a dwelling on its own but if it was supplying a farm etc it wouldn't sound too bad as the well acts as a reservoir when demand is high. Lining the well is another variable. 6" steel pipe to the rock 6ft to god knows what depth and then 4" plastic pipe from the surface to the bottom. My well cost 6.5k to drill and line and nearly 2k to fit cables pipe and pump.
    No problem in getting a weight on a string to check the depth. Nice round stone or something.


  • #3
    SmartinMartin
    Registered Users, Registered Users 2 Posts: 2,936 ✭✭✭SmartinMartin


    Well (pardon the pun) it turns out you can!
    Measured it and it is as they said. I feel better now.


  • #4
    air
    Registered Users, Registered Users 2 Posts: 2,837 ✭✭✭air


    With the costs of well boring there is a lot to be said for employing a rainwater harvesting system instead, especially if you live in an area with a lot of dissolved minerals in the ground water. You still have to treat it of course but it can be done relatively economically with ozone and other filtration systems.


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