Hantushjacob leaky aquifer method and distance drawdown methods. Aquifertest is now a 64bit application with improved performance. 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. Hantushjacob leaky aquifer method and distancedrawdown methods. The distance drawdown method is an equilibrium or steadystate method, thus storage cannot be estimated. Software for pumping test analysis by hydrosolve, inc. This course will provide you with the knowledge to master aquifer testing from beginning to endusing worldclass field equipment and aquifer test analysis software. 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. Aqtesolv offers sophisticated options for a vast array of aquifer test solutions for confined, unconfined, leaky and fractured aquifers. Pumping test gives the best information on the drawdown level, flow rates and unforeseen factors generated upon pumping. Figure 23 shows that transmissivity, r w 2 s, and well loss parameters calculated by the method of birsoy and summers result in calculated drawdown that closely matches measured drawdown. Step drawdown tests can be used to determine the aquifer transmissivity and the well loss component of the drawdown in the pumped well.
Entering pumping rates for a variablerate test is likewise straightforward. Aquifertest pumping test and slug test analysis and. Radius of influence calculator, steadystate drawdown calculator, and well yield calculator. Spreadsheets for the analysis of aquifertest and slugtest. May 30, 20 this webinar discusses step drawdown and constantrate pumping tests. Stepdrawdown test software like aqtesolv can simplify your interpretation of. Estimating transmissivity from stepdrawdown tests author.
Aquifer testing methodology step drawdown test step drawdown testing was only conducted in mw112, since mw77b had previously been utilized extensively for interim remedial pumping purposes, and consequently the practical production rates of this monitoring well were fairly well known. Calculate aquifer transmissivity and storativity, for stepdrawdown and recovery tests. Aqtesolv has more features for the interpretation of stepdrawdown tests than competing software. The analysis and planning of step drawdown tests quarterly. Finally, we have made a special effort to make the software more user friendly, by. 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.
Software for pumping test analysis by hydrosolve, inc what is the best software for pumping test analysis. Congratulations on your purchase of aquifertest, the most popular software package available. 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. The expression is a handy tool for predicting aquifer parameters using all the drawdown and recovery data obtained during step. 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. Congratulations on your purchase of aquifertest, the most popular software package available for graphical analysis and reporting of pumping test and slug test data. 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. Step drawdown tests can be used to determine the aquifer. 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. What is the best software for pumping test analysis. The distancedrawdown method is an equilibrium or steadystate method, thus storage cannot be estimated. 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. Aquifer step testing nt darrel dunn hydrogeologist.
Mlu aquifer test analysis mlu pumping test analysis. Stepdrawdown tests step tests are used in groundwater hydrology to. Ouaip, developed by the brgm, is a freeware application designed to interpret and simulate hydrogeological pumping tests. Simplified contour plots and streamlines of drawdown solutions. Spreadsheets for the analysis of aquifertest and slug. The final step is to repeat the above procedure to create another scroll bar to. Thus, these data are more common than multiwell aquifertest data, but not as common as specificcapacity data. 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. Includes birsoysummers, edenhazel, and hantushbierschenk. One can also analyse step drawdown tests, slug tests, etc. Aquifer losses are the head losses that occur in the aquifer where the flow is laminar. A wellperformance test is conducted to determine these losses. Stepdrawdown tests step tests aquifer testing 101 aqtesolv.
Enter a new rate into aqtesolv when the rate changes. For example, consider a stepdrawdown test consisting of three onehour steps of 50, 100 and 150 gpm. 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. Perform pumping test time drawdown calculations online. Calculate aquifer transmissivity and storativity, for step drawdown and recovery tests. Stepmaster uses graphical analysis methods to analyze stepdrawdown tests quickly and reliably. Aquifertest is an easytouse software package for analyzing, interpreting and visualizing pumping and slug test data. In fact, groundwater specialists responding to a linkedin poll overwhelmingly chose. Master tips and tricks for using aqtesolv to analyze constantrate, stepdrawdown and recovery test. Entry level undergraduate students who use commercial software packages for aquifer test often feel frustrated and distant from real field test. Aqtesolv offers a vast array of aquifer test solutions for confined, unconfined, leaky and fractured aquifers with sophisticated options such as.
Stepmaster aquifer stepdrawdown pump test analysis software. Spreadsheets for the analysis of aquifer test and slug test data, version 1. Unlike other aquifer test analysis software, often supporting a wide variety of. Stepmaster aquifer stepdrawdown pump and recovery test software for windows, with edenhazel, hantushbierschenk, and birsoysummers analysis. Analysis of constantdrawdown test in leaky confined aquifer. 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. The 101d sounds when the probe is in air, allowing you to adjust pumping rates as required to maintain the level of drawdown. 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. Lohman method for a flowing well in a confined aquifer, stepdrawdown methods, distancedrawdown methods, and. General aquifer test procedures lower platte south nrd. Aim to regulate and optimize the extraction without adversely impacting aquifer systems. No other program is designed specifically for stepdrawdown like stepmaster.
This session introduces a method of aquifer test using excel spreadsheet. Geological survey halford and kuniansky 2002 for the analysis of aquifer test and slug test data, a common. 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. 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. Thus, these data are more common than multiwell aquifer test data, but not as common as specificcapacity data. Astm d6034 17 standard test method analytical procedure. 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. 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. 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 step drawdown pump and recovery test software for windows, with edenhazel, hantushbierschenk, and birsoysummers analysis methods. 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. Stepmaster aquifer stepdrawdown pump and recovery test software for windows, with edenhazel, hantushbierschenk, and birsoysummers analysis methods. Aquifertest is an easytouse software package for analyzing, interpreting and visualizing.
Conducting pumping tests and improving results youtube. Periodic step testing in production wells after they have been put into service can help track the deterioration of the wells and indicate when. Make aqtesolv your choice for pumping test analysis software to get a complete package for constantand variablerate. Students are generally more interested in creating interactive tools to process aquifer test data to help them better understand aquifer response to pumping. 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. 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. Spreadsheets for the analysis of aquifertest and slugtest data. Aqtesolv is advanced software for pumping test data analysis that features the most comprehensive set of solution methods for confined, leaky confined. Stepmaster aquifer step drawdown test analysis scientific. Previously published with the wrong title analysis and design of stepdrawdown tests isbn. 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. Determination of aquifer parameters from step tests and. 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.
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. The derivative method the barker fractal method and the cooperjacob method. The professional pro version offers the most complete set of aquifer test solutions. This report documents several spreadsheets that have been developed for the analysis of aquiferpumping test and slugtest data. 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. In a recent linkedin poll, groundwater professionals overwhelmingly chose aqtesolv as their preferred pumping test analysis software. 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. The aquifer storage coefficient can also be estimated. Estimating transmissivity from step drawdown tests author.
Principal part in many projects and studies dealing with groundwater exploitation, protection and remediation. This report documents several spreadsheets that have been developed for the analysis of aquifer pumping test and slug test data. 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. In a stepdrawdown test, the discharge rate in the pumping well is increased from an. Choose the professional version for access to sophisticated solutions and features not found in other commercially. 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. Step test example for confined aquifer, calculated versus observed drawdown.
The standard std version provides a set of pumping test and slug test solutions comparable to other commercially available software packages. Multiwell test spreadsheets included in this report are. Mlu for windows users guide well flow modelling in. 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. They are timedependent and vary linearly with the well discharge. Spreadsheets for the analysis of aquifertest and slugtest data, version 1. 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. 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. The importance of measuring drawdown on the level blog. The fcprogram flow characteristic program and methods include the following. If further refinements of these parameters are necessary, installation of one or more dedicated. 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. This webinar discusses stepdrawdown and constantrate pumping tests.
Analyzing stepdrawdown tests requires the use of complex graphical techniques which are not widely taught. Analysing stepdrawdown tests in heterogeneous aquifers. 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. Aquifertest for windows pumping test and slug test. Very good quality and broad topics covered in a short time. Each spreadsheet incorporates analytical solutions of the partial differential equation for groundwater flow to a well for a specific type of condition or aquifer. Aqtesolv aquifer test solver is the worlds leading software for pumping tests, slug tests, constanthead tests, groundwater mounding and more. 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. In this webinar, you will learn why these tests are conducted and the equipment that you will need, along with tips on how to. 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. 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.
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