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Thread: Should my well driller be using my brand new pump for well development?

  1. #1
    DIY Junior Member xboilerguy's Avatar
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    Default Should my well driller be using my brand new pump for well development?

    Just had a new 300 ft. well drilled. The "well development" is part of that drilling contract, but has not been done yet. It appears the driller is waiting until my brand new pump is installed to do that part. I've got no expertise in the well drilling field but I'm doing my best to learn out of necessity. My current understanding is that well development may involve pumping out a lot of sand and debris--definitely not something I want going through my brand new pump. I've heard that a competent driller will use his own equipment for the well development stage. If one of you pros can kindly shed some light on the subject, it would enable me to discuss this with my driller from a more informed position. Thanks!

  2. #2
    Moderator valveman's Avatar
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    Every area is different. In our area we use air to blow out the well and a bailer to dip out the sand and surge the gravel pack into place. Then yes we use the customers pump to pump out the well because there is very little sand left to pump out. Test pumping a well or developing the well with a pump, I would clean the well out with an old pump of my own before putting in the customers new pump.

    Many decades ago I sold Reda pumps that had a one year unconditional warranty. A lot of pump installers would use them to clean up a well, then bring them back to me for warranty replacement. Reda pumps cost more and lasted a long, long time in clean water. So many pump installers would install a cheaper, shorter lived pumps after cleaning the well with the Reda. Wonder why they don’t make those kind of Reda pumps any more? lol

  3. #3
    Well Drilling/Service justwater's Avatar
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    We develop wells by blowing air down the drill rods with a large compressor forcing the water out of the well. Doesn't take long for well to clear up, then pump can be installed.

    things are done different everywhere though. maybe thats the norm? best thing would be to find out what the other drillers in the area use.

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    That's all folks! Gary Slusser's Avatar
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    He may have done the 'development' with the drilling rig air and you didn't know it.
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

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    DIY Junior Member xboilerguy's Avatar
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    Thanks, guys. Appreciate the responses. I thought I would get email notifications about replies but did not so I'm glad I checked back. The drilling method was cable tool, so I don't think the air surging would have been an option (unless there is another way to get it down there without using the rig). Asking other contractors seems like a good idea but I'm posting here because it's hard to get much help with well drilling in AZ. Even getting a phone call returned from anyone in the business around here is like pulling teeth. I was only able to get 2 contractors to actually show up and give proposals after two weeks of calling everyone I could find in the area. Got many assurances that companies wanted to bid but could not get them on site. Maybe business is really good here...

    At this point I think I'll just discuss the development process with the driller and if anything sounds funny I'll post back and beseech your opinions.

    I was also surprised that no pad was poured around the casing as the previous well had. I've been told it's not necessary and is personal preference but it just doesn't look finished.

    (Just edited my settings to receive email notifications now)
    Last edited by xboilerguy; 12-30-2010 at 01:20 PM.

  6. #6
    That's all folks! Gary Slusser's Avatar
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    Cable tool (pounding) requires bailing (development) or you usually don't get much water in the well, unless it is under pressure.

    If you have a pitless adapter below the frost line, a pad can be a real PIA if you ever have a leak at the fitting on the outside of the pitless or have to get to the pitless for some reason. And a pad can hide evidence of a leak at the pitless.
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

  7. #7
    DIY Junior Member xboilerguy's Avatar
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    Quote Originally Posted by Gary Slusser View Post
    Cable tool (pounding) requires bailing (development) or you usually don't get much water in the well, unless it is under pressure.

    If you have a pitless adapter below the frost line, a pad can be a real PIA if you ever have a leak at the fitting on the outside of the pitless or have to get to the pitless for some reason. And a pad can hide evidence of a leak at the pitless.
    Thanks, Gary. So, just using the bailer until it comes out clean would be considered development? I guess the dropping action pushes water back out through the screen?

    Regarding the need for a pad or not, the casing comes above ground level and piping will run above ground.

  8. #8
    That's all folks! Gary Slusser's Avatar
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    Yes a bailer is used to 'surge' a well as well as take water out of the well.

    With no pitless, you can add as big a pad as you want but I see no need or advantage in having one.
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

  9. #9
    General Engineering Contractor ballvalve's Avatar
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    A 3' square sloped pad is required here to help seal the well.

  10. #10
    That's all folks! Gary Slusser's Avatar
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    Like 15" of sloped concrete around a casing is going to stop contamination.... lol But what's your point, he's not in CA?
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

  11. #11
    In the Trades Texas Wellman's Avatar
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    We have to either do a sleeve or slab here (24" from the casing in all directions). I think it's more about protecting the casing than the seal.
    Last edited by Texas Wellman; 01-06-2011 at 04:07 AM.

  12. #12
    Well Drilling/Service justwater's Avatar
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    Doesn't matter if it makes sense. Well drillers don't make the rules, they just have to obey them. They'll have some college grad that's never drilled a well in their life make those rules.

  13. #13
    Porky Cutter,MGWC Porky's Avatar
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    I'm licensed to drill in AZ but to date have only drilled on the Navajo reservation with cable tools. The outer casing is usually set in the rock (State Regulation) and grouted at least 20'. Most drillers will grout the casing to the rock. Then some drillers will install a PVC liner to the bottom with a well screen. Just for your information if the well doesn't have a liner in Arizona they call it a Barefoot Well. After the well is completed with a cable tool drill it is usually clean from debris. Then the liner is installed and then the pump. Normally the liner isn't gravel (sand) packed. If this is the case it's not necessary to install a test pump in this type of well. Any small amount of debris pumped by the newly installed pump won't harm the pump.
    Porky Cutter, MGWC
    (Master Ground Water Consultant)

  14. #14
    That's all folks! Gary Slusser's Avatar
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    Yeah I agree it being more about protecting the casing. Or some dummy in the corner office more likely thinks it's a good idea for whatever reason and "we the people" go along to get along, especially when the customer is paying for it.

    And we've all allowed the dummies to push their agenda of revolution from within 'til now as a country we are currently 15 TRILLION dollars in debt to about 60% of GNP and are printing money faster than ya can count it. But just this week the money guys finally came to the conclusion that there may be some inflation in our future. And far too many of us are still going along to get along while the likes of Jerry Brown is yet again the new governor of CA and gasoline is well on its way to $4-5 a gallon by spring along with much higher food prices for far into our future.
    Gary Slusser Retired (= out of business)
    Click Here to learn how to correctly size or program a water softener.
    CAUTION, as of Nov 12 2013 all YouTube videos showing how to rebuild a Clack valve have an error in them that can cause damage.

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