Stepdrawdown tests step tests are used in groundwater hydrology to. The methods of analysis and the criteria for planning step drawdown tests are discussed and evaluated in order to produce an optimum test programme and a comprehensive test analysis. No other program is designed specifically for stepdrawdown like stepmaster. Each spreadsheet incorporates analytical solutions of the partial differential equation for groundwater flow to a well for a specific type of condition or aquifer. Stepmaster aquifer stepdrawdown pump test analysis software. Perform pumping test time drawdown calculations online. Stepmaster aquifer step drawdown test analysis scientific. A wellperformance test is conducted to determine these losses. This webinar discusses stepdrawdown and constantrate pumping tests. Aquifertest is an easytouse software package for analyzing, interpreting and visualizing pumping and slug test data. In a stepdrawdown test, the discharge rate in the pumping well is increased from an. The final step is to repeat the above procedure to create another scroll bar to. The fcprogram flow characteristic program and methods include the following. Periodic step testing in production wells after they have been put into service can help track the deterioration of the wells and indicate when.
Spreadsheets for the analysis of aquifertest and slugtest data. Make aqtesolv your choice for pumping test analysis software to get a complete package for constantand variablerate. Step drawdown tests can be used to determine the aquifer transmissivity and the well loss component of the drawdown in the pumped well. Aqtesolv is the original allinone package for the design and analysis of aquifer tests, including pump test, step drawdown tests, variablerate tests, recovery tests, singlewell tests and slug tests. Enter a new rate into aqtesolv when the rate changes. Spreadsheets for the analysis of aquifertest and slugtest. Astm d6034 17 standard test method analytical procedure. If further refinements of these parameters are necessary, installation of one or more dedicated. Analysing stepdrawdown tests in heterogeneous aquifers. Entering pumping rates for a variablerate test is likewise straightforward. Students are generally more interested in creating interactive tools to process aquifer test data to help them better understand aquifer response to pumping. We also have online sales of a wide range of groundwater sampling equipment including ysi 556, and solinst levelogger including software such as modflow, rbca tool kit, hydrus, surfer 9, and groundwater vistas. Analyzing stepdrawdown tests requires the use of complex graphical techniques which are not widely taught. The standard std version provides a set of pumping test and slug test solutions comparable to other commercially available software packages.
Congratulations on your purchase of aquifertest, the most popular software package available. The first step in any pumping test or slug test analysis is to define the location and time of the test and then select the applicable measurement units. Stepmaster aquifer stepdrawdown pump and recovery test software for windows, with edenhazel, hantushbierschenk, and birsoysummers analysis methods. In this webinar, you will learn why these tests are conducted and the equipment that you will need, along with tips on how to. Aqtesolv for windows is the original allinone package for the design and analysis of aquifer tests, including pump tests, stepdrawdown tests, variablerate tests, recovery tests, singlewell tests and slug tests. The analysis and planning of step drawdown tests quarterly. Aquifertest is designed by hydrogeologists for hydrogeologists giving you all the tools you need to efficiently manage hydraulic testing results and provide a selection of the most commonly used solution methods for data analysis all in the familiar and easytouse microsoft windows environment. Pumping tests interpretations are the basis for quantifying the specific parameters of a pumping well step drawdown test and the characteristic hydrodynamic parameters of an aquifer. Multiwell test spreadsheets included in this report are. Hantushjacob leaky aquifer method and distance drawdown methods. We have designed a powerful twoday training course on aquifer testing design, field methods, and data analysis techniques featuring aqtesolv and the insitu level troll.
This session introduces a method of aquifer test using excel spreadsheet. An aquifer test or a pumping test is conducted to evaluate an aquifer by stimulating the aquifer through constant pumping, and observing the aquifers response in observation wells. Determination of aquifer parameters from step tests and. Spreadsheets for the analysis of aquifertest and slugtest data, version 1. The 101d sounds when the probe is in air, allowing you to adjust pumping rates as required to maintain the level of drawdown. The expression is a handy tool for predicting aquifer parameters using all the drawdown and recovery data obtained during step. Lohman method for a flowing well in a confined aquifer, stepdrawdown methods, distancedrawdown methods, and. We also have online sales of a wide range of groundwater sampling equipment including ysi 556, and solinst levelogger including software such as modflow, rbca tool kit.
Calculate aquifer transmissivity and storativity, for stepdrawdown and recovery tests. Stepmaster uses graphical analysis methods to analyze stepdrawdown tests quickly and reliably. Use aqtesolv to analyze stepdrawdown tests and determine linear well. A step drawdown test or step test is a singlewell pumping test designed to investigate the performance of a pumping well under controlled variable discharge conditions. Mlu aquifer test analysis mlu pumping test analysis. To determine well performance under pumping conditions, to determine well losses in the pumped well, and to design the optimal pumping rate for a constantrate test or longterm pumping rate of an extractioninjection well. Master tips and tricks for using aqtesolv to analyze constantrate, stepdrawdown and recovery test. The importance of measuring drawdown on the level blog. This report documents several spreadsheets that have been developed for the analysis of aquifer pumping test and slug test data. Software for pumping test analysis by hydrosolve, inc what is the best software for pumping test analysis.
Thus, these data are more common than multiwell aquifer test data, but not as common as specificcapacity data. Congratulations on your purchase of aquifertest, the most popular software package available for graphical analysis and reporting of pumping test and slug test data. Estimating transmissivity from step drawdown tests author. Derivative drawdown plots professional style report templates easily create and compare multiple analysis methods based on the same data set step testwell loss methods single well solutions universal data logger import utility supports a wide variety of column delimiters and file layouts. Finally, we have made a special effort to make the software more user friendly, by. A step drawdown test is a singlewell test that frequently is conducted after well development to determine the correct sizing of the production pump and the efficiency of the well. Includes birsoysummers, edenhazel, and hantushbierschenk. Previously published with the wrong title analysis and design of stepdrawdown tests isbn. Aim to regulate and optimize the extraction without adversely impacting aquifer systems.
Aquifertest pumping test and slug test analysis and. Constant rate pumping test analysis software includes theis, hantush, walton, neuman, huisman, thiem, specific capacity, distancedrawdown, theis recovery, and hantush modified theis for partial penetration. General aquifer test procedures lower platte south nrd. The stepdrawdown test in mw112 was conducted on may 10, 2006. May 30, 20 this webinar discusses step drawdown and constantrate pumping tests. It involves comparing the actual drawdown in the well to the theoretical minimum drawdown achievable and is based upon data and aquifer coefficients obtained from a constant rate pumping test.
Step test example for confined aquifer, calculated versus observed drawdown. Stepdrawdown test software like aqtesolv can simplify your interpretation of. Designed by hydrogeologists for hydrogeologists, aquifertest delivers all the tools needed to accurately interpret data from all types of aquifers in all types of test conditions. Jun 03, 2019 the 101d water level drawdown meter in drawdown mode is excellent for tests that require a constant level of drawdown, such as during a constanthead or step drawdown aquifer test. Aqtesolv is the original allinone package for the design and analysis of aquifer tests, including pump test, stepdrawdown tests, variablerate tests, recovery tests, singlewell tests and slug tests. In a stepdrawdown test, the discharge rate in the pumping well is increased from an initially low constant rate through a sequence of pumping intervals steps of progressively higher constant rates. A stepdrawdown test is a singlewell test that frequently is conducted after well development to determine the correct sizing of the production pump and the efficiency of the well. Entry level undergraduate students who use commercial software packages for aquifer test often feel frustrated and distant from real field test.
Pumping test gives the best information on the drawdown level, flow rates and unforeseen factors generated upon pumping. An average pumping rate of less than 1 gallon per minute gpm was determined to be the optimum pumping rate baed s on the july 4, 2012ste p drawdown pumping test at tew112. Aquifertest prompts you for the title block information that will appear on the final printout of the results and allows you to select from a list of measurement units for time, distance and. Principal part in many projects and studies dealing with groundwater exploitation, protection and remediation. Stepdrawdown tests step tests aquifer testing 101 aqtesolv. Stepmaster aquifer stepdrawdown pump and recovery test software for windows, with edenhazel, hantushbierschenk, and birsoysummers analysis. Hantushjacob leaky aquifer method and distancedrawdown methods. The aquifer storage coefficient can also be estimated. The derivative method the barker fractal method and the cooperjacob method.
Aquifer testing is a common tool that hydrogeologists use to characterize a system of aquifers, aquitards and flow system boundaries a slug test is a variation on the typical aquifer test where an. Thus, these data are more common than multiwell aquifertest data, but not as common as specificcapacity data. Mlu for windows users guide well flow modelling in. The 101d water level drawdown meter in drawdown mode is excellent for tests that require a constant level of drawdown, such as during a constanthead or stepdrawdown aquifer test. Stepmaster aquifer step drawdown pump and recovery test software for windows, with edenhazel, hantushbierschenk, and birsoysummers analysis methods. Very good quality and broad topics covered in a short time. Aquifer stepdrawdown and recovery test analysis software. In a recent linkedin poll, groundwater professionals overwhelmingly chose aqtesolv as their preferred pumping test analysis software. Aquifer losses are the head losses that occur in the aquifer where the flow is laminar. Calculate aquifer transmissivity and storativity, for step drawdown and recovery tests. Ouaip, developed by the brgm, is a freeware application designed to interpret and simulate hydrogeological pumping tests. Spreadsheets for the analysis of aquifertest and slug. The distancedrawdown method is an equilibrium or steadystate method, thus storage cannot be estimated.
Step drawdown tests can be used to determine the aquifer. A step drawdown test is a pumping test in which the drawdown in a well is observed while the discharge rate from the well is increased in steps. Aquifertest for windows pumping test and slug test. A stepdrawdown test or step test is a singlewell pumping test designed to investigate the performance of a pumping well under controlled variable discharge conditions.
Aqtesolv aktesolv is the worlds leading software for the design and interpretation of aquifer tests pumping tests, slug tests, constanthead tests in confined, leaky, unconfined and fractured aquifers since 1989 aqtesolv has been synonymous with excellence in the interpretation of aquifer test data. This course will provide you with the knowledge to master aquifer testing from beginning to endusing worldclass field equipment and aquifer test analysis software. Aqtesolv is used for the design and analysis of aquifer tests, including pump test, stepdrawdown tests, variablerate tests, recovery tests, singlewell tests and slug tests. Geological survey halford and kuniansky 2002 for the analysis of aquifer test and slug test data, a common. In addition to estimating hydraulic properties of an aquifer system such as transmissivity and hydraulic conductivity, the goal of a stepdrawdown test is to evaluate well performance criteria such as well loss, well efficiency, wellbore skin factor and effective well radius. An average pumping rate of less than 1 gallon per minute gpm was determined to be the optimum pumping rate baed s on the july 4, 2012ste pdrawdown pumping test at tew112. Simplified contour plots and streamlines of drawdown solutions. The professional pro version offers the most complete set of aquifer test solutions.
One can also analyse step drawdown tests, slug tests, etc. Estimating transmissivity from stepdrawdown tests author. Aqtesolv offers sophisticated options for a vast array of aquifer test solutions for confined, unconfined, leaky and fractured aquifers. Spreadsheets for the analysis of aquifer test and slug test data, version 1. Aqtesolv is advanced software for pumping test data analysis that features the most comprehensive set of solution methods for confined, leaky confined. Aqtesolv offers a vast array of aquifer test solutions for confined, unconfined, leaky and fractured aquifers with sophisticated options such as. In a step drawdown test, the discharge rate in the pumping well is increased from an initially low constant rate through a sequence of pumping intervals steps of progressively higher constant rat. Unlike other aquifer test analysis software, often supporting a wide variety of.
Aquifer step testing nt darrel dunn hydrogeologist. Stepmaster aquifer step drawdown test analysis scientific software group is the premier provider of groundwater software, environmental software, groundwater modeling software, surface water modeling software, hydrology software, hydraulic engineering software, geotechnical software, borehole log software, surface mapping and contouring software, bioremediation, natural attenuation, storm. This report documents several spreadsheets that have been developed for the analysis of aquiferpumping test and slugtest data. For example, consider a stepdrawdown test consisting of three onehour steps of 50, 100 and 150 gpm. Aquifertest is an easytouse software package for analyzing, interpreting and visualizing.
In fact, groundwater specialists responding to a linkedin poll overwhelmingly chose. The distance drawdown method is an equilibrium or steadystate method, thus storage cannot be estimated. Radius of influence calculator, steadystate drawdown calculator, and well yield calculator. Aqtesolv for windows is the original allinone package for the design and analysis of aquifer tests, including pump tests, step drawdown tests, variablerate tests, recovery tests, singlewell tests and slug tests. Congratulations on your purchase of aquifertest, the most popular software package available for graphical analysis and reporting of pumping test and slug test data aquifertest is designed by hydrogeologists for hydrogeologists giving you all the tools you need to efficiently manage hydraulic testing results and provide a selection of the most commonly used solution methods for data analysis. Choose the professional version for access to sophisticated solutions and features not found in other commercially. They are timedependent and vary linearly with the well discharge. Software for pumping test analysis by hydrosolve, inc. Knowing the unavoidable drawdown in test wells and what it tells one about the quality of the aquifer near the wells can help in locating subsequent production wells in the best part of the aquifer. Aqtesolv aquifer test solver is the worlds leading software for pumping tests, slug tests, constanthead tests, groundwater mounding and more. Aqtesolv has more features for the interpretation of stepdrawdown tests than competing software. Aquifertest is now a 64bit application with improved performance.
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