Deep Tube Well Cost Calculator
Estimates the cost of a deep tube well by combining drilling and casing charges for the full depth with the price of the pump set.
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Formula
How the calculation works
A deep tube well has two per-foot costs that stack up, drilling through the soil and installing casing pipe down the same depth, so depth drives most of the bill.
On top of that comes the pump set, which is a fixed price independent of depth, so it matters most for shallow wells and least for very deep ones.
Separating the three lines lets a farmer see whether negotiating the drilling rate or the pipe rate saves more for the planned depth.
Common mistakes
- Quoting only the drilling rate and ignoring the casing rate understates the bill badly, because casing is often the larger of the two per-foot costs.
- Forgetting that a deeper well may need a bigger and costlier pump set leaves the estimate short of the real project cost.
When to use it
- Use it before hiring a drilling contractor to check whether the quoted per-foot rates and pump price add up to a fair total.
- Use it to compare two plots or two depths, since going deeper for a safer yield raises both per-foot costs and the pump size together.
Worked example
For a well 850 feet deep with drilling at 180 BDT per foot, casing at 260 BDT per foot and a pump of 45,000 BDT, drilling is 153,000 BDT, casing is 221,000 BDT and the total is 419,000 BDT.
Common questions
Why do drilling and casing rates rise with the depth of the well?
Both charges are quoted per foot, so a deeper well needs more pipe and more drilling time, and the two costs grow in step with every extra foot.
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