Computation of the time-varying flow rate from an artesian well in central Dade County, Florida, by analytical and numerical simulation methods

Merritt, Michael L.

doi:10.3133/ofr94457

Cited by 3 publications

(1 citation statement)

References 10 publications

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“…Such a "recovery" test is usually not sensitive to well losses (Willmann et al 2007) and can be easily interpreted with any appropriate analytical solution, as provided for instance by the software AQTESOLV (Duffield and Court 2007). The Cooper and Jacob (1946) method was already successfully used in other confined aquifers (Jacob 1940(Jacob , 1947Jacob and Lohman 1952;Wyrick and Floyd 1961;Merritt 1995) and was used in this research. This analytical solution considers the following simplifying assumptions: a single-well test assuming a confined, homogeneous, isotropic aquifer, with a vertical and fully penetrating well, taking into account the discharge rate (Q) and the distance from the (ii) Free-flowing period well (r).…”

Section: Computation Of Aquifer Transmissivitymentioning

confidence: 99%

A cost-effective device and methodology to compute aquifer transmissivity and piezometry from free-flowing artesian wells

et al. 2022

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Artesian aquifers offer interesting opportunities for water supply by providing a low-vulnerability groundwater resource that is easily abstracted without any installation of pumps or power supply costs. However, hydraulic tests are challenging to perform, notably where the piezometric head is above ground level with free-flowing wells not equipped with valves and open for years. This paper describes a low-cost, easy to reproduce and adaptable device, the free-flowing artesian well device (FFAWD), which is mainly designed with a set of PVC tubes equipped with a pressure probe and a valve. This device is used to perform hydraulic tests on free-flowing artesian wells, to measure the piezometric head of the aquifer and to compute its transmissivity. The practical use of the FFAWD is described and a method is proposed to compute the piezometric head and the transmissivity of the aquifer from this data set (free-flowing well discharge and pressure increase measurements) with any adapted analytical solution, using the Houpeurt-Pouchan method. Artefacts such as post-production effects, surge effects, and the impact of a leaky well are identified to avoid any misinterpretation. The FFAWD was applied to the volcano-sedimentary artesian plain of Pasuruan (Indonesia). The advantages and limitations of using the device, along with the interpretation methodology, are also discussed.

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Section: Computation Of Aquifer Transmissivitymentioning

confidence: 99%

A cost-effective device and methodology to compute aquifer transmissivity and piezometry from free-flowing artesian wells

et al. 2022

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Using Density-Dependent Numerical Models to Evaluate Regional Groundwater Flow Patterns in South Florida

Bittner

Richardson

Langevin

et al. 2008

World Environmental and Water Resources Congress 2008

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Estimating hydraulic properties of the Floridan Aquifer System by analysis of earth-tide, ocean-tide, and barometric effects, Collier and Hendry Counties, Florida

2004

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Computation of the time-varying flow rate from an artesian well in central Dade County, Florida, by analytical and numerical simulation methods

Cited by 3 publications

References 10 publications

A cost-effective device and methodology to compute aquifer transmissivity and piezometry from free-flowing artesian wells

A cost-effective device and methodology to compute aquifer transmissivity and piezometry from free-flowing artesian wells

Using Density-Dependent Numerical Models to Evaluate Regional Groundwater Flow Patterns in South Florida

Estimating hydraulic properties of the Floridan Aquifer System by analysis of earth-tide, ocean-tide, and barometric effects, Collier and Hendry Counties, Florida

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