Cone of Depression (and more)

In this video I describe some important concepts of pumping wells, including the cone of depression, static/pumping water levels, and drawdown.

[@heidelindgren8764]

Thank you for this. You were the first person to be able to explain this in a way that made sense to me.

[@daneandersen8181]

Thanks!

[@ratfink494]

Totally unhappy with this explanation. Started ok, and went downhill, until you said.."we'lll follow with .... " BS! Not coming back!

[@honuswagner9348]

@@ratfink494 It's not his problem you weren't smart enough to understand his BASIC explanation. It's very simple to understand, for a normal person.

[@mukkadalabalatata9541]

Good it's helpful for me

[@gourabkumar8350]

Cone of depression inversely proportional to drawdown??

[@albertramirez2328]

Thank you so much for explaining that . The 2d drawing really helped me understand everything much better .

[@abderrezakbouzid1483]

thanks a lot.

[@yijietan2501]

is there a way to calculate and estimate the level across the cone of depression?

[@ClearWaterPumpWell]

Great Video on what a Cone of Depression is and how it works!

[@alexross26]

I live in a cone of depression

[@daneandersen8181]

Thank you all for your comments, happy to help!

[@randyviper388]

Gosh you explain this much better than my lecturer, thanks mate

[@darknessburns2237]

who else is from a science class

[@five1steph]

Wow dude. Amazing explanation.

[@BiggBoner]

Me in a nutshell:

[@Artisticengineer5]

Hello Dane can you please help me out. In the dupuit equation, does the radius of influence (call it r1) correlate to new height (y1) =initial height minus draw down? That is what I thought but the solution correlate y1 to the well radius. Which seems like an error. Your help would be greatly appreciated.

[@daneandersen8181]

Im a bit confused on your question, but the Dupuit equation relates how much drawdown is produced in an observation well (y1) located some distance (r1) from the pumping well.

[@EduardoGarcia-HMI]

Appreciated such clear and straightforward explanation. Many thanks!

[@erkanklc3144]

Love this channel and its content!

[@daneandersen8181]

@@erkanklc3144 thank you!

[@abderrezakbouzid1483]

thank you

[@Neon-pt5jx]

very helpful

[@peepojim]

This is the best explanation video I could find on KZbin. Thank you!

[@nazir.bazaibazai8338]

well understandable , like it

[@yogaradeva9848]

very niceee n helpfulll

[@muhammadwaqarawan6499]

excellent explained

[@AnnDy]

Thank you

[@praveengiddi5630]

Thank you

[@donphildraws1357]

Thanks man

[@RaviSharma-jd8gn]

Excellent explanation.

[@jessecox3683]

I have a question,I was born raised and still do and my family bought this property in the 40s and it got many criks on it that normally only ran when it would rain. There is one spring and concrete spring house my great uncle built. But my question is I built a home on a a piece of it 2 hills over and never had no springs on it till last March I found water flowin out and upon further investigation I now have 3 sweet little springs of water that flows more then enough water to where we completely unhooked from Patoka lake water that turned aweful to the best cold water I ever had and share to people when they need it. I wonder why after all them years it just now started showing? And instead of digging a well down through the ground I went in horizontal and 8 feet in or so it's opens up more and more daily. All I do is scoop out the silt sometimes. The Crick bottom I'll the way down to like a sandstone slate look and you could drive through it now no more rocks but that layer is about 10or15 feet below where we get the water. And some are even higher.the hole we use is about a foot and a half or 2with like a shale ceiling and sandstone bottom and gets lots wider as it goes back it's very pretty to look at I just don't get under it cause I have to shore some of the ground around it. I haven't measured the flow per gallon in a while but once couple months ago we measured it and and it was way less then now I'm sure of it so will the more it washes small rocks and silt out does that mean I'll keep getting more water? Thanks from French Lick In.

[@daneandersen8181]

That’s interesting, I wonder if those springs will continue to flow. It may be that a nearby water well stopped pumping at some point and now you’re seeing the water table recover. Are you near any neighbors that have wells, or do you have one? It sounds like the springs are located at a geologic contact between two units- that’s typical for springs, that contact acts as a conduit for groundwater flow to the surface. Did you guys have a lot of precipitation in the year before the springs started flowing? I probably wouldn’t bet the farm on them flowing year round in the future if they just showed up recently. I would take flow measurements every month and record them and see what the flow is doing. If you want more help I’d be happy to help out, you can always email me at [e-mail]

[@matthewturner2567]

I appreciate the way you explains things you make it make sense

[@mohammedashraf293]

thanks❤️

[@pallabchowdhury9567]

What is safe distance?

[@daneandersen8181]

Can you explain what you mean by "safe"?

[@pallabchowdhury9567]

It was my exam question "describe cone of depression and safe distance" in hydrogeology

[@daneandersen8181]

@@pallabchowdhury9567 Possibly the radius of influence?

[@mohammedashraf293]

This is really cool keep it up man✨❤️

[@daneandersen8181]

So happy to help