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-   Geothermal & Heat Pumps (https://ecorenovator.org/forum/forumdisplay.php?f=10)
-   -   DIY well drilling / trench digging for GSHP (https://ecorenovator.org/forum/showthread.php?t=1572)

AC_Hacker 07-21-12 10:24 PM
Quote:
Originally Posted by Vlad (Post 23226)
My drilling was finished about 1.5 month ago but weather was holding me back. Last week I rented excavator to dig trenches. So now all my vertical loops connected together, pressure tested and I started burying process. Few more days and my ground loop will be done :)
Great work, Vlad.

It really is a lot of work... and when you're done and the earth is moved back into place, and nature starts smoothing things out, it's like nothing ever happened.

Kind of strange & satisfying at the same time...

-AC

chiphum 07-22-12 02:23 PM
Quote:
Originally Posted by Vlad (Post 23225)
Can you please post more info? Power, water swivel, hydraulics, drill bit etc... and pictures :)
"flic.kr/s/aHsjAQGUQm"

I'm using a cheap water swivel I found on Ebay for ~$250 1"NPT
Have 6.5hp engine / Hydraulic Pump / Hydraulic Motor from an HF Auger
Drill bit is 4" with 1" NPT pipe threads from LoneStar via Ebay. Using also a cheap 202cc Water Pump from HF.

Don't have enough post yet to add pics directly. See Link above flic.kr

Vlad 07-22-12 10:07 PM
Quote:
Originally Posted by chiphum (Post 23244)
"flic.kr/s/aHsjAQGUQm"

I'm using a cheap water swivel I found on Ebay for ~$250 1"NPT
Have 6.5hp engine / Hydraulic Pump / Hydraulic Motor from an HF Auger
Drill bit is 4" with 1" NPT pipe threads from LoneStar via Ebay. Using also a cheap 202cc Water Pump from HF.

Don't have enough post yet to add pics directly. See Link above flic.kr
What are your expectations? How deep do you want to drill how many holes?

For pictures the best way to upload them on http://imageshack.us/ (free service) and it gives you link that you can copy/paste in forum. It is extra step but works well.

AC_Hacker 07-23-12 11:43 AM
2 Attachment(s)
Quote:
Originally Posted by chiphum (Post 23244)
I'm using a cheap water swivel I found on Ebay for ~$250
Do you have a photo of the swivel you're using? Any Specs?

Quote:
Originally Posted by chiphum (Post 23244)
1"NPT
Do you mean that you are using 1" water pipe as your drill pipe?

Quote:
Originally Posted by chiphum (Post 23244)
Have 6.5hp engine / Hydraulic Pump / Hydraulic Motor from an HF Auger
Do you mean that you got all these together as a unit? Do you have any specs on the hydraulic pump and the hydraulic motor? Do you know the part number or the rated pressure & volume per revolution?

Quote:
Originally Posted by chiphum (Post 23244)
Drill bit is 4" with 1" NPT pipe threads from LoneStar via Ebay.
Do you have any close-up photos of your drill bit?

Quote:
Originally Posted by chiphum (Post 23244)
Using also a cheap 202cc Water Pump from HF.
I checked HF for this pump, found this one instead:


...HF part no 68375, with these specs:
  • 212cc 4-stroke overhead valve gas engine
  • 9060 gallons per hour
  • Total head lift: 97.5 ft.
  • Suction head lift: 26 ft.
Does this look similar to your pump?

Looking at the photo below...


It looks like your rig is about 10 feet tall, is this correct?

It looks like your rig has no base at all, and your vertical members are just resting on the ground... correct?

It also looks like you are maintaining the vertical orientation with a system of three guy-ropes toed to stakes in the ground... yes?

It is not clear from the photos if you used some kind of manual or power winch to raise & lower the drill head and drill pipe. Could you take a close up of the winch, if there is one? What kind of winch (if any) did you use?

What was the size of the steel you selected for constructing your rig?

What is your investment in your drilling rig?

Best,

-AC

chiphum 07-23-12 09:47 PM
Quote:
Originally Posted by AC_Hacker (Post 23257)
Do you have a photo of the swivel you're using? Any Specs?

Water swivel Well Drilling DIY ers
Seller:
Member id nwiwells


Do you mean that you are using 1" water pipe as your drill pipe?

Yes, 1" steel pipe 5' long.

Do you mean that you got all these together as a unit? Do you have any specs on the hydraulic pump and the hydraulic motor? Do you know the part number or the rated pressure & volume per revolution?

Pump is generic log splitter pump 3500psi/2stage/11gpm.

Motor is replacement part for HF auger. item#94143

Do you have any close-up photos of your drill bit?

3-7/8", 3-WAY, STEP, DRAG BIT, 1" NPT
Seller:
Member id drillbitsales

I checked HF for this pump, found this one instead:



...HF part no 68375, with these specs:
  • 212cc 4-stroke overhead valve gas engine
  • 9060 gallons per hour
  • Total head lift: 97.5 ft.
  • Suction head lift: 26 ft.
Does this look similar to your pump?

This is the same pump I have.

Looking at the photo below...


It looks like your rig is about 10 feet tall, is this correct?

~8ft

It looks like your rig has no base at all, and your vertical members are just resting on the ground... correct?

Base is same as upper. Grass is just covering it.

It also looks like you are maintaining the vertical orientation with a system of three guy-ropes toed to stakes in the ground... yes?

Yes, but I will need to add stakes at the base. Torque makes it want to shift some at the base too.

It is not clear from the photos if you used some kind of manual or power winch to raise & lower the drill head and drill pipe. Could you take a close up of the winch, if there is one? What kind of winch (if any) did you use?

HF, 2000 lb. Electric ATV/UTV Winch with Automatic Load-Holding Brake
BADLAND WINCHES - item#68146

What was the size of the steel you selected for constructing your rig?

I think 2" pipe for columns and rectangular tubes for base / top. Maybe 1X3?

What is your investment in your drilling rig?

~$2500

Best,

-AC
Sorry for the short reply, we have a 9 mth old. Also no pics bc not enough post yet.

chiphum 07-23-12 09:51 PM
Quote:
Originally Posted by Vlad (Post 23247)
What are your expectations? How deep do you want to drill how many holes?

For pictures the best way to upload them on (free service) and it gives you link that you can copy/paste in forum. It is extra step but works well.
Thanks, I will try on my next post.

I will attempt to go as deep as the drill will go. Hopefully 75ft+. I need 5 tons of capacity so 200*5 = 1000ft of wells total so maybe 10 if 10x100ft.

AC_Hacker 07-23-12 09:54 PM
chiphum,

Thanks for the reply. I had kids too, so I know about the demands.

If you have time for more pix, perhaps you could edit them into the post you just did...?

Best,

-AC

chiphum 08-05-12 05:03 PM
After many small issue w/ my equipment I've been able to do a little drilling. Going through rock is slow so I am planning on adding a 2nd winch like Vlad did. Only concern is that my motor/bit will sometimes binds up and stop, I fix by reversing direction and then back to drilling direction quickly. I will add the winch and then look at increasing the torque of the hydraulic system. Right now its about 1ft/hr through rock. I must increase this rate! I would guess my torque is ~200ft/lb.

AC_Hacker 08-05-12 05:41 PM
1 Attachment(s)
Quote:
Originally Posted by chiphum (Post 23494)
Right now its about 1ft/hr through rock. I must increase this rate! I would guess my torque is ~200ft/lb.
Keep up the good work, we're all cheering for you!

-AC_Hacker

Geo NR Gee 08-06-12 01:02 AM
Wouldn't a Tricone bit work better going through rock?


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