1 Well Test Analysis Polar Coordinates One 12” Pizza = Nine 4” Pizzas Pizza 0 20 40 60 80 100 120 0 2 4 6 8 10 12 14 diameter in inches area in square inches Series1
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Well Test Analysis
Polar Coordinates
One 12” Pizza = Nine 4” Pizzas
Pizza
0
20
40
60
80
100
120
0 2 4 6 8 10 12 14
diameter in inches
area
in s
quar
e in
ches
Series1
2
Polar Coordinates
Computing Drawdown from a Pumping Well: Theis
Computing Drawdown from a Pumping Well: Theis
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Computing Drawdown from a Pumping Well: Theis
Computing Drawdown from a Pumping Well: Theis
Example: Theis Eqn.
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Leaky, Confined Aquifer
No Water Drains From Confining Layer Solution
Test of Assumption #4
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Test of Assumption #7
Hantush-Jacob Formula
Leaky, Confined Aquifer Example 1
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Leaky, Confined Aquifer Example 1
Leaky, Confined Aquifer Example 1
Leaky, Confined Aquifer Example 1
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Leaky, Confined Aquifer Example 1
Some Water Drains From Confining Layer Solution
Some Water Drains From Confining Layer Solution
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Leaky, Confined Aquifer Example 2
Leaky, Confined Aquifer Example 2
Leaky, Confined Aquifer Example 2
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Leaky, Confined Aquifer Example 2
Summary Drawdown Responses for Confined Aquifers
Unconfined Aquifers
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Unconfined Aquifers: Assumptions
Unconfined Aquifers: Neuman’s Solution
Aquifer Parameters from Time-Drawdown Data
General Assumptions
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Confined Aquifer Parameters from Time-Drawdown Data
Steady Radial Flow Assumptions
Confined Aquifer Parameters from Time-Drawdown Data: Thiem Eqn.
Confined Aquifer Parameters from Time-Drawdown Data: Thiem Eqn.
What about Storativity?????
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Unconfined Aquifer Parameters from Time-Drawdown Data
Unconfined Aquifer Parameters from Time-Drawdown Data: Thiem Eqn.
Non-equilibrium Flow Conditions:Radial Flow Confined Aquifer
(Theis Method)
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Theis Curve
Curve Matching
Curve Matching Example
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Curve Matching Example
Curve Matching Example
Cooper-Jacob Method
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Cooper-Jacob Method Example
Distance Jacob Method
Distance Jacob Method Example
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Leaky Aquifer, No Storage
Leaky Confined Aquifer: Example
Leaky Confined Aquifer: Example
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Leaky Confined Aquifer: Example
Hantush Inflection Point Method
Hantush Inflection Point Method
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Leaky Confined with Storage
Leaky Confined with Storage
Leaky Confined with Storage
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Unconfined Aquifer
Unconfined Aquifer
Unconfined Aquifer
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Unconfined Aquifer Example
Unconfined Aquifer Example
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Well screened in part of aquifer
Slug Tests
Slug Tests
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Slug Tests
Slug Tests: Type Curves
Slug Tests: Example
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Specific Capacity Data
Empirical Relationship but Specific Capacity Data Routinely Collected
Intersecting Wells: Superposition
Sources/Sinks: Superposition
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Sources/Sinks: Superposition
Impact of Sources/Sinks