Time at which drawdown is caused by real well at observation well Formula

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Time of Drawdown caused by Real Well at the observation well. Check FAQs
tr=rr2tiri2
tr - Time of Drawdown caused by Real Well?rr - Distance from Observation Well to Real Well?ti - Time of Drawdown caused by Image Well?ri - Distance from Observation Well to Image Well?

Time at which drawdown is caused by real well at observation well Example

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With units
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Here is how the Time at which drawdown is caused by real well at observation well equation looks like with Values.

Here is how the Time at which drawdown is caused by real well at observation well equation looks like with Units.

Here is how the Time at which drawdown is caused by real well at observation well equation looks like.

150.2222Edit=26Edit2200Edit30Edit2
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Time at which drawdown is caused by real well at observation well Solution

Follow our step by step solution on how to calculate Time at which drawdown is caused by real well at observation well?

FIRST Step Consider the formula
tr=rr2tiri2
Next Step Substitute values of Variables
tr=26m2200min30m2
Next Step Convert Units
tr=26m212000s30m2
Next Step Prepare to Evaluate
tr=26212000302
Next Step Evaluate
tr=9013.33333333333s
Next Step Convert to Output's Unit
tr=150.222222222222min
LAST Step Rounding Answer
tr=150.2222min

Time at which drawdown is caused by real well at observation well Formula Elements

Variables
Time of Drawdown caused by Real Well
Time of Drawdown caused by Real Well at the observation well.
Symbol: tr
Measurement: TimeUnit: min
Note: Value can be positive or negative.
Distance from Observation Well to Real Well
Distance from Observation Well to Real Well is the hydraulic distance to boundaries from the analysis of aquifer-test data.
Symbol: rr
Measurement: LengthUnit: m
Note: Value can be positive or negative.
Time of Drawdown caused by Image Well
Time of Drawdown caused by Image Well at the observation well.
Symbol: ti
Measurement: TimeUnit: min
Note: Value can be positive or negative.
Distance from Observation Well to Image Well
Distance from Observation Well to Image Well is the hydraulic distance to boundaries from the analysis of aquifer-test data.
Symbol: ri
Measurement: LengthUnit: m
Note: Value can be positive or negative.

Other formulas in Test Affected by Lateral Boundaries category

​Go Distance from observation well to real well
rr=ritrti
​Go Time at which Drawdown is Caused by Image Well at Observation Well
ti=ri2trrr2
​Go Distance from observation well to image well
ri=rrtitr

How to Evaluate Time at which drawdown is caused by real well at observation well?

Time at which drawdown is caused by real well at observation well evaluator uses Time of Drawdown caused by Real Well = Distance from Observation Well to Real Well^2*Time of Drawdown caused by Image Well/Distance from Observation Well to Image Well^2 to evaluate the Time of Drawdown caused by Real Well, The Time at which drawdown is caused by real well at observation well is the hydraulic distance to boundaries can be determined from the analysis of aquifer-test data . According to the Theis equation, if we deal with equal drawdowns caused by the real well and the image well. Time of Drawdown caused by Real Well is denoted by tr symbol.

How to evaluate Time at which drawdown is caused by real well at observation well using this online evaluator? To use this online evaluator for Time at which drawdown is caused by real well at observation well, enter Distance from Observation Well to Real Well (rr), Time of Drawdown caused by Image Well (ti) & Distance from Observation Well to Image Well (ri) and hit the calculate button.

FAQs on Time at which drawdown is caused by real well at observation well

What is the formula to find Time at which drawdown is caused by real well at observation well?
The formula of Time at which drawdown is caused by real well at observation well is expressed as Time of Drawdown caused by Real Well = Distance from Observation Well to Real Well^2*Time of Drawdown caused by Image Well/Distance from Observation Well to Image Well^2. Here is an example- 2.503704 = 26^2*12000/30^2.
How to calculate Time at which drawdown is caused by real well at observation well?
With Distance from Observation Well to Real Well (rr), Time of Drawdown caused by Image Well (ti) & Distance from Observation Well to Image Well (ri) we can find Time at which drawdown is caused by real well at observation well using the formula - Time of Drawdown caused by Real Well = Distance from Observation Well to Real Well^2*Time of Drawdown caused by Image Well/Distance from Observation Well to Image Well^2.
Can the Time at which drawdown is caused by real well at observation well be negative?
Yes, the Time at which drawdown is caused by real well at observation well, measured in Time can be negative.
Which unit is used to measure Time at which drawdown is caused by real well at observation well?
Time at which drawdown is caused by real well at observation well is usually measured using the Minute[min] for Time. Second[min], Millisecond[min], Microsecond[min] are the few other units in which Time at which drawdown is caused by real well at observation well can be measured.
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