Manual - Index of
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1. After defining the input values they are entered against time and the best fit curve determined The permeability can then be determined Example This is the example given for Gauge 3b in Langguth Voigt The following values were measured in Gauge 3b Table 1 Gauge 3b data The pumping rate in the extraction well is 0 02667 m s Gauge 3b is 23 0 m from the extraction well The aquifer is 10 0 m thick It is a confined aquifer GGU PUMPTEST User Manual Page 6 of 46 January 2001 Go to the File New menu item Select the Time drawdown method button Go to the menu item Edit Edit values Choose the 0 values to edit button Mo of values and enter 24 because the test comprises 24 measured values Enter the values given in Table 1 Gauge 3b data GGU PUMPTEST User Manual Page 7 of 46 January 2001 Measured values x Forw Back Cancel Go to na EN 24 values to edit Sort D M Time sec Measured value m 12 00000000 D 050000000 L 800000000 3100000000 3 2200000000 3150000000 4 35000000000 5250000000 5 5100000000 5350000000 5 5100000000 0450000000 12200000000 3550000000 8 225000000000 570000000 3 34500000000 5500000000 10 434 000000000 O S50000000 These values represent the times and corresponding drawdown in the monitoring well relative to the at rest gr2. Save graphics preferences menu item Only the corresponding data will be refreshed GGU PUMPTEST User Manual Page 38 of 46 January 2001 9 Output preferences menu 9 1 Page size and margins menu item Page format X Page height mm 70 0 Fage width mm 297 cancel The graphic dimensions can be edited The default sheet format is A4 If you need to use other dimensions to the default you may have to alter the positions of the individual graphic elements see below 9 2 Margins menu item x with borders Left margin mm 1 00 Lower margin mm 1 00 Cereal If the With borders switch is activated an additional border is drawn around the area defined in the Page size and margins menu item This may occasionally be undesirable particularly when printing on an A4 printer With a little testing the values for Left margin and Lower margin allow you to position the graphic optimally for your printer GGU PUMPTEST User Manual Page 39 of 46 January 2001 9 3 Texts menu item Diagram header X Heading Pumpngtest Report Report Appendix Append Rotate repart appendis Test no etc Linie 1 Test number Line 2 Scientist Line 3 Date Line 4 Soi tupe Line 5 Groundwater gradient LnE amp Fo Test data Line 1 Designation 5 Line 2 Groundwater attest Line 3 eem a lt 1 21 31 xl Li
3. a 5 2609E 1 b Z23 8E 1 r2 0 33343 Permeability S 4B3E 4 m s Transmissivity BS4S3E 3 mAs Storage coelh 4 225E 4 t 210 5 s OF Cancel Once the permeability has been calculated the program proposes a result text to be used in the graphic You can edit the result text using this menu item You can also open this dialogue box by double clicking in the corresponding area of the graphic 5 13 Company menu item Company data X 1 Jesum E o Pi OF Cancel Y ou can enter a four lined text to be included in the graphic You can also open this dialogue box by double clicking in the corresponding area of the graphic The integrated Mini CAD module provides a far greater variety of options with company logo see separate user manual GGU PUMPTEST User Manual Page 32 of 46 January 2001 6 Evaluation menu 6 1 Diagnosis menu item You can perform a data diagnosis using this menu item However the diagnosis 1s visual only A al Time asiz C Linear Logarithmic Value axis Linear C Logarithmic C Square root Ath root C Square root C Ath root Each axis can be diagnosed using one of four options independent of the other A further speciality is the option of including the derivation of the curve in the graphic Often irregularities in the measurement data can be better identified on the basis of the derivation curve 6 2 Time drawdown method dist
4. 0 0 s n Use as result test Tes Mo The a and b values describe the course of the best fit curve through the data The r value is the correlation coefficient representing the quality of the best fit curve Below this the permeability the transmissivity and the storage coefficient are given The t 12 value describes the intersection of the best fit curve with the distance axis The solution given in Langguth Voigt is e T 8 9 10 m s e S 4 6 10 ms The minor differences are due to the purely visual evaluation employed by Langguth Voigt 3 5 Theis recovery method The theoretical principles are described in Langguth Voigt on pages 171 to 175 This method entails a drawdown in a well with a constant pumping rate Recovery begins after switching off the pump in the extraction well The recovery course is measured in a nearby monitoring well o E E 5 _ co GGU PUMPTEST User Manual Page 17 of 46 January 2001 The following data is required for this method e the pumping duration until the pump is switched off e the constant pumping rate until the pump is switched off e the aquifer thickness H e confined or unconfined aquifer and e the course against time of the recovery h After defining the input values they are entered against dt tp dt dt time difference until 1 measurement tp pumping duration and the best f1t curve for this function determined from this
5. At rest groundwater menu item If during a test the at rest groundwater level changes for reasons unconnected to the pumping test e g tidal influence but 1s superimposed upon it you can define a polygon course here that describes this change as a function of time e g x Forw Back Cancel Go to na 1 2 point s to edit Mo Time seconds Delta Gw m 1 0 0000 0 0000 z 66400 0000 0 1500 5 3 Test data menu item Using this menu item you can enter further test data Test data x Designation Gauge 3b Filter position Doo Groundwater at rest Measurements begin et Measurements end Po OF Cancel The data entered here have no influence on the test evaluation They are descriptive only Only if entries are made here is anything entered in the table at the bottom of the graphic 5 4 Edit values menu item This is the central menu item for data input Depending on the test evaluation method a dialogue box opens The details are more thoroughly described in the examples in Section 3 GGU PUMPTEST User Manual Page 28 of 46 January 2001 5 5 Graphically menu item Using this menu item it is possible to edit values or to add and delete values To do this switch to diagnosis mode Go to the Evaluation Diagnosis menu item Prefs EE Time axis C Linear Logarithmic Value axis Linear C Logarithmic C Square root Ath root C
6. GGU PUMPTEST User Manual Page 42 of 46 January 2001 9 10 Test data menu item Bezeichnung Pegel 3b Anzahl Brunnen 3 Anzahl Messwerte 59 BEEDNJNJMJJ Pumprate 2 66667E 2 m3 s EE S S iii See Section 9 6 for details 9 11 Result texts menu item Time drau down method a37 52B B8E 1 b 2 2378 E 1 r 0 99949 Pertmeabilty 8 483 E 4 m s Transmissivty 8 483E 3 m s Storage coeff 4 2256E 4 10 5 See Section 9 6 for details 9 12 Evaluation range menu item Evaluation range from 12 0 ta 14150 0 seconds See Section 9 6 for details 9 13 System menu item h c o 5 eo See Section 9 6 for details GGU PUMPTEST User Manual Page 43 of 46 January 2001 9 14 Gauge menu item O Pegel 3b 24 Werte r 23 00 m X Pegel 6b 14 Werte r 139 60 m Pegel 11b 21 Werte r 7 40 m This menu item is only active in conjunction with the distance time drawdown method This element serves as a legend for the values from the individual wells See Section 9 6 for details 9 15 Reset all graphics to defaults menu item contr Really reset the position of all elements No Using this menu item you can reset all elements to their original values 9 16 Move elements menu item x With the left mouse button pressed element positions oder Elementrander der Grafik The F11 key will automatically activate this program function Alt Back keys
7. drawdown labelling mr 24 0 Background cal cen Bee You can alter the position of this element using the x and y values The dx and dy values define the width and height of the element You can also specify a background colour The default values are recalled using the Reset button 9 6 Title menu item This refers to the graphic frame containing the representation of the diagram heading Fumping test Ti me drawdawn method Langguthiaigt Gauge 3b GGU PUMPTEST User Manual Page 41 of 46 January 2001 x w Title display e With outline Iw With background col dx so dy 230 NH Background cal cen Bem On the whole the settings here correspond to the previous menu item In addition the title can be subdued by deactivating the Title display checkbox If you deactivate the With outline checkbox no frame will be drawn around the element If you deactivate the With background colour checkbox the element will be transparent The Background col Button allows you to select a different background colour for the element 9 7 Company menu item GGU mbH Am Hafen 22 38112 Braunschweig Tel 0531 312895 See Section 9 6 for details 9 8 Test no etc menu item Test number 5803456 Processor Bub Date 27 06 2000 See Section 9 6 for details 9 9 Appendix and report menu item Report 9999 00 Appendix 1 1 See Section 9 6 for details
8. Square root C Ath root Then go to the menu item Edit Graphically Measured values ES Set delete values Cancel Now select the type of modification needed You can then move set or delete the values GGU PUMPTEST User Manual Page 29 of 46 January 2001 5 6 Modify menu item Manipulate X Edit times Edit measured values Remove measured values Double measured values Values monotonous decreasing Values monotonous increasing On Bezier curve method 1 On Bezier curve method 2 Values on a pline 111 Smooth values using spline Houghen values You can modify the values in a wide variety of ways using this menu item Using the Roughen values button for example you can roughen simulated values see Test planning menu item and thus give them an impression of authenticity 5 7 Value range manually menu item Presentation range Minimum time seconds 9 999995E 0 hd aximum time seconds 1 000010E44 Min drawdown m 1 000000 3 Max drawdown m 1 553850E40 Evaluation range Minimum time seconds 1 200000E 1 I aximum time seconds 1 415000 4 OF Cancel You can define the representation range for the graphic and the evaluation range The representation range does not influence the test evaluation Using the figures given for the evaluation range it is possible to exclude test values at the beginning an
9. can be used to restare OF Cancel You can position all elements using the mouse Go to this menu item Move the mouse over the element to be moved and press the left mouse button Move the element with the left mouse button pressed If you move the mouse across one of the four boundaries you can also alter the height or width with the mouse If you move the mouse across one of the corners you can alter the height and width simultaneously GGU PUMPTEST User Manual Page 44 of 46 January 2001 10 menu 10 1 Copyright menu item You will see a copyright message and the version number 10 2 Maxima menu item You will see the following information Marima eee xi The following masima are default Number of values 40000 Ma of wells distance time drawdown method 25 Ma of values well dishance time drawdown method 400 Ma of paints at rest groundwater 100 Ok 10 3 Help menu item You will see this manual as a Windows Help file 10 4 GGU on the web menu item Using this menu item you can access the GGU Software website www ggu software com Keep in touch with new program versions and the regular download offers 10 5 What s new menu item You will see information on program improvements and bug fixes in comparison to older versions 10 6 Translation menu item In the international version of GGU PUMPTEST this menu item allows you to switch the menu
10. copying machine to ensure true scaling Furthermore you may enter the number of copies to be printed DXF file allows output of the graphics to a DXF file DXF is a common file format for transferring graphics between a variety of applications GGUCAD file allows export of the current screen contents to a file in order to enable further processing with the GGUCAD program Clipboard The current screen contents are copied to the WINDOWS clipboard From there they can be imported into other WINDOWS programs for further processing e g into a word processor Metafile allows output of the current screen contents to a file in order to be further processed with third party software Output is as a standardised EMF file Using the metafile format guarantees the best possible quality when transferring graphics MiniCAD GGUMiniCAD allows export of the graphics to a file in order to enable importing into different GGU applications with the MiniCAD modules see menu 4 9 Exit menu item After a confirmation prompt you can quit the program GGU PUMPTEST User Manual Page 27 of 46 January 2001 5 Edit menu 5 1 Initial water level menu tem Normally the at rest water level is the reference level and has the value 0 0 If you need to enter your data with an at rest water level lt gt 0 0 enter the at rest water level here depth to water measured from top positive downwards 5 2
11. for the number of values because the test comprises 24 measured values for the well Gauge 3b Enter the values given in Table 1 Gauge 3b data Repeat this procedure for the other two gauges 6b and 11b Gauge 6 b TT x Well name Gauge bb Distance r to drawdown well m 133 60 Actions Edit values Delete well Manipulate values Read ASLII data Save ASLII data Duplicate well GGU PUMPTEST User Manual Page 14 of 46 January 2001 Table 3 Gauge 6b data Table 3 Gauge 6b data Gauge 11 b Gauge 11b X Well name Gauge 116 Distance r to drawdown well m 7 40 Actions Edit values Delete well Manipulate values Head ASLII data Save ASLII data Duplicate well GGU PUMPTEST User Manual Page 15 of 46 January 2001 Enter the values given in Table 4 Gauge 11b data Table 4 Gauge 11b data Go to the Evaluation Distance time drawdown method menu item Distance time drawdown method preferences X Distance ime drawdown method Cooper acob Pumping rate rir s 0 02666667 Calculate Aquifer thickness m 10 00 M Confined aquifer Cancel info Enter the values in the dialogue box and confirm with OK GGU PUMPTEST User Manual Page 16 of 46 January 2001 Distance time drawdown method a 3 001 4E 1 b 2 1533E 1 r 0 98131 Permeability 9 6256 4 m s Tranemissivity 8 825E 3 m s Storage coeff 3 413E 4 t F 0
12. ind 30 A A arose 31 SI EA AMENA 31 510 Graphically Men Erie 31 214 Gencal menu ILC EO AAA AAA AS AS AAA 31 512 Result text mente alada dd 32 3 157 COmIpany Mema MeN arras E sad 32 6 Di AAA eoar ear Ea E Aea EE aa NER RES EARO AA A OEE T 33 01 Driasnosis meni Weer a a acess a 33 6 2 Time drawdown method distance drawdown method etc menu items 33 03 Permeability menu Midi ca 33 0 Individual valles eni TE HE adds 34 0 5 A eo EIUS 34 6 6 Auto FIC THeHU MeN aiiiar reete OR o re te asa aie dud eene du vade Sage ga cU ge pela beni e ue ve E agGEE 34 raciste rtt 35 GGU PUMPTEST User Manual Page 2 of 46 January 2001 S Graphics preferences MENU ccccccccccssssssssoccccccccroccssssssevesssssovoccccccsccesssssessesesesssssosessese 36 oL Preferences Snell Tte Ibo e oso e e EM cup 36 52 Reims and ZOOM Tue DU ACI ione doe a A a Cte tag tet iu xp aER 36 So LOOM T O THEN WEI vios Lobo odd O a a dt dabd don Uu 36 56 4 Pen colour and width menu TEM eee rtr va naeh rae vaa Va eaa A 37 Sir Lesenditont selection Menta 37 S0 Pont size selection MIEN EM aiino ate EEEE TATER 37 5 7 Mini C AD toolbar men Mt ia Ute hee eee 37 S 0 TOOIDaf prelerences ment Munar aa 38 87 Nave Preletences Men Mann AT 38 e AO age a Fe ls A A cet ORK Mer ra 38 9 Output preferences Menu sscssessescsesccccecccccecossccccccccccsecccoseosseccceccceceeecccceesosessssescc
13. the permeability can be calculated Example This is the example for Gauge 11b in Langguth Voigt After switching off the pump the following recovery 1s measured in Gauge 11b 1 030 0 850 0 690 0 650 0 590 0 550 0 470 0 440 0 350 0 300 0 260 Table 5 Recovery in Gauge 11b GGU PUMPTEST User Manual Page 18 of 46 January 2001 Go to the File New menu item Which method do pon want to use Time drawdown method Distance drawdown method into into Distance time drawdown method Info to into Thais recovery Theis type curve Time drawdown method ___Distance crawdawn method _ Distancetime drawown method _ Theigecovey Info Theis type curve Lancet Cancel Select the Theis recovery button Go to the Edit Edit values menu item and enter the values from Table 5 Recovery in Gauge 11b DTI NEAN xd Forw Back Cancel Go to na EX 17 values to edit Sort D M Time sec Measured value m 1 4600 000000000 SQQ00000 L 2 1476500000000 1030000000 3 1482300000000 0950000000 4 1487100000000 0900000000 5 14920 000000000 0850000000 5 15235 000000000 o e90000000 15332000000000 0 650000000 8 15600 000000000 0 590000000 3 fi5810 000000000 0 550000000 10 1 6160 000000000 0 4 70000000 Navigate through the table using the Forw Button
14. Evaluation and representation of pumping tests GGU PUMPTEST VERSION 2 January 2001 Copyright and author Prof Johann Bu Braunschweig Contents INN vocc A aaa a eeareecast case uawsede eN 4 2 Installation and language Selection cccccccccsssssssssssssssssssssccccccccccccccccccccesssssscssccccssssooes 4 3 Theoretical Principles da ade 5 A O EP 5 9 25 orale a AAA II t ida iin don 6 33 JDistancesdrawdown detBodustensadtvsbe ecoudvdiet opos dada 9 3 4 Distance time drawdown method sessi I2 3 9 WNCISMECOVELY Metodo dadas 17 25 0 Meis type curre metno nicas enre eolica os E 20 Ae UA O 25 Al New menu A NA A A A ia 25 Bs O A E NP ET S 23 43 Dave and Da veras MENU dtefiso dde Eie aliler anc cide eatin 25 44 Read datalogber menu MM AA 25 4o Read ASCH menu 166 I daa a 23 ZD Save SC UE IMS I TO o ee ee d o ie n aie b Mena iua 25 d Gutputpretetences mem TETTE us cu dae 26 AS Dnuntand export ment Ie ED oe bones tenet alas dan bone uia atas cus tune E ue ood aufs 26 4 9 EXE MEA EM eco oes aa E DR be E cade tuba ave o gud cabe PO URINE Vn EUR dT best PAP uU US UG 27 S Fdan Menea e ne A E O OS 28 5 8 dnitialowater levels ment o 28 3 2 ALTE PEOUDOWAter menu a el cs 28 zo RESET Cala Menu cda 28 Su SCI Valles memi AP A dev capu Contes esivu ivi DUE 28 3 54 Oraphically metu TEet sce oto oo eise ea ep tents 20 0 Modi menm MEN add ai d nn 30 II Walle range mantall Memi MeN rra
15. N aK Emol 8 7 Mini CAD toolbar menu item Using this menu item you can annotate the graphic at will and add lines and bitmaps For details please see the supplied Mini CAD user manual A non modal dialogue box opens the functions of which are further explained in the Mini CAD user manual GGU PUMPTEST User Manual Page 37 of 46 January 2001 8 8 Toolbar preferences menu item When the program starts a toolbar appears at the top right of the program window Toolbar status bar X Toolbar O As popup window with 3 columns C Switch off Status bar Iw Show status bar DE Cancel By clicking on these tools you can directly reach most of the program functions If you would rather work with a horizontal popup window you can specify your preferences using this menu item The Smarticons can also be switched off The preferences will be saved among others in the PUMPTEST alg file see menu item Save preferences and will be active when the program is started next 8 9 Save preferences menu item All data entered using the three previous menu items can be saved to a file If you select GGU PUMPTEST alg as file name and save the file on the same level as the program the data will be automatically loaded the next time the program is started and need not be entered again 8 10 Load menu item You can reload a graphics preferences file into the program which was saved using the
16. UMPTEST program allows the evaluation of pumping tests using the following methods e time drawdown method e distance drawdown method e distance time drawdown method e Theis recovery method e Theis type curve method Besides the evaluation of pumping tests the program allows pumping test planning Test planning menu Here you can simulate a pumping test using estimated values for permeability etc It is then possible based on the simulation results to estimate the measurement precision required and the time required for the pumping test Data input is in accordance with WINDOWS conventions and can therefore be learned almost entirely without the use of a manual Graphic output supports the true type fonts supplied with WINDOWS so that excellent layout is guaranteed The results are graphically represented on a sheet consisting of a number of elements These elements can be resized and repositioned to suit your requirements In addition you can add your own graphic elements using the integrated Mini CAD module You can insert stamp fields e g company logos in the same manner The default format is an A4 sheet If required the sheet format can be modified e g AO The program has been thoroughly tested No faults have been found Nevertheless liability for completeness and correctness of the program and the manual and for any damage resulting from incompleteness or incorrectness cannot be accepted 2 Installation and la
17. a pumping test using estimated values for permeability etc It is then Test planning menu possible based on the simulation results to estimate the measurement precision required and the time required for the pumping test The dialogue box for this menu item varies according to the selected evaluation method e g the time drawdown method Test planning 7 Time drawdown method Permeability m s estimated Storage coefficient estimated Pumping rate m s Distance to observation gauge m Aquifer thickness m End of measurements sec Ho of values Iw Confined aquifer Ok After confirming with OK the simulated values are displayed GGU PUMPTEST User Manual E ea 02556867 2 5 309 155090 EN Page 35 of 46 January 2001 8 Graphics preferences menu 8 1 Preferences menu item x Iw Connect values jw Values with marker Marker size mm a e Enter regression curve e Enter at rest gw Time asis in E Seconds Minutes C Hours C Dap OF Cancel The dialogue box for this menu item varies according to the selected evaluation method You can define preferences for the graphical representation of the measured values If the at rest groundwater level changes during the test see Section 5 2 the level can be represented against time together with the values If the test evaluation includes a regression calculation the regress
18. ance drawdown method etc menu items The title of this menu item varies according to the selected evaluation method The details are more thoroughly described in the examples in Section 3 6 3 Permeability menu item The program calculates the permeability Time drawdown method a 5 2609E 1 b 30E 1 r 0 99945 Permeability 9 483 4 m s Tranemisswity 8 48 3E 3 m s Storage coeff 4 225E 4 t 10 5 s Use as result test Tes Mo The dialogue box for this menu item varies according to the selected evaluation method The proposed result text can be included in the graphic by clicking Yes GGU PUMPTEST User Manual Page 33 of 46 January 2001 6 4 Individual values menu item AA xl Determine individual values with the left mouse button Cancel You can determine information for individual data points e g SS 5 Values at measured value na Time 122 000 seconds Drawdown 0 550 carr 0 550 Drawdown relative to at rest qw 0 550 earr 0 550 Or 6 5 Hand fit menu tem This menu item is only accessible if you are using the Theis type curve method for evaluation See Section 3 6 for details 6 6 Auto fit menu item This menu item is only accessible if you are using the Theis type curve method for evaluation See Section 3 6 for details GGU PUMPTEST User Manual Page 34 of 46 January 2001 Here you can simulate
19. cceese 39 Ou cpasesmeandaiarems ment Melies ind li ii bas 39 2 IMAremms Men dE A r r e ease 39 E MEL A Um 40 0 4 Position into mMenu HOLT daa 41 9 5 Measured values MENU MM a ii 41 PME RCNH EUST t mo T RU 4 9 1 OMI any PMC Md Le MD idilio 42 Un MEE eT MENSIS SNNT 42 9 9 Appendix and report Mentir ia 42 Oo IO Test datas Hen LEMA is 43 O tl RECE mena te Ms m 43 9 12 Byal atton Taube dae nu TEC DIT ou esee o eso D Oa Resin esas ase pue alee 43 SA A deo duit c dits iets 43 QUIE Cause MENNIE APA An PEI A A 44 9 15 Reset all graphics to defaults menu ItelM ooooooooonnccnnnnnnnnnnnnnnnnnnnnnnnonnnnnnnnnnnnnnnnnnnnnnss 44 OLEO MOVE elements ael MCI atate tia duo a 44 A 66 T iio it Acci etti ooo i EEE E ee 45 IOF C opyo Ne ment lesa O ia 45 10 2 Maxima menu CEDE see e oo AAA p ue tovc Er ts RR ES euet een cto Liaise 45 o EI UIN Er 45 IOA GGU onthe wen Menu TE DI ostia I ER e oen DR I ESI M Eo ote ted ut m be 45 10 5 What SMe we meu teni o got erorii aen eoa DTE Huet ida EH rane E ga D sis 45 10 6 Translation menu Mili toi ali al a 45 O A A M M 46 List of tables Table Gouel IO AAA ISA AAN RRA AAA Sa Table Gauges SPO ONG APO AO ba 10 TABLES FAUSTO AA A A ts 15 Tablet Gange TID I AA 16 Table Recoyery Ur Gauge LED orne EAEAN ENEON NE Mani tud el E etn ETNE 18 GGU PUMPTEST User Manual Page 3 of 46 January 2001 1 Preface The GGU P
20. cordance with WINDOWS conventions 4 8 Print and export menu item The following dialogue box appears Output xl Output DF file GGUCAD file Clipboard Meta file Bini ADI 3L Mini ADI Lancel Printer allows graphic output of the current screen contents to the WINDOWS standard printer or to any other printer selected using the menu item Output preferences For direct output printer the following dialogue box appears Page sizes Output device Brother HL 1030 seres Output device mm 188 v 283 e Image mm x 287 0 y 210 0 Portrait Printer preferences Zoom Factor 1 000 Fit to page Page overlap x mr 0 000 Page overlap y mm 0 000 Output of z pages 2 wide Print pages Hi to ERI Tr copies E UE Cancel GGU PUMPTEST User Manual Page 26 of 46 January 2001 In the upper part of the dialogue box the maximum dimensions that the printer can accept are given Below this you see the dimensions of the image to be printed If the image is larger than the output format of the printer 1t will be printed to several pages in the above example 2 In order to facilitate better re connection of the images 1t 1s possible to enter an overlap for each page in x and y direction Alternatively it is also possible to select a smaller zoom factor ensuring output to one page Fit to page button Following this you can enlarge to the original format on a
21. d end of the test from the evaluation The evaluation range is marked by two vertical lines in the graphic GGU PUMPTEST User Manual Page 30 of 46 January 2001 5 8 All menu item After selecting this menu item the graphic is adjusted so that all data points are visible In addition the evaluation range 1s adjusted to include all values in the evaluation also see Section 5 7 5 9 Fit in menu item After selecting this menu item the graphic is adjusted so that all data points are visible The evaluation range is not altered by this also see Section 5 7 5 10 Graphically menu item Info Define a new evaluation range by pressing Ctrl and Shift and mark section using left mouse button Cancel You can define a new evaluation range also see Section 5 7 5 11 General menu item General es Project 1st line Time drawdown methad Project 2nd line Langguth oigt Gauge 3b Testno 5803456 Edited by Bull Date 27 06 2000 Soil type Groundwater gradient o Report 5999 Lr Appendix li 1 OF Cancel You can enter general information on the pumping test these are displayed in the graphic You can alter further settings by going to Output preferences Texts this also allows the descriptive texts to be edited at the left of the dialogue box GGU PUMPTEST User Manual Page 31 of 46 January 2001 5 12 Result text menu item Result texts X Time drawdown methad
22. d hold the left mouse button ta move a curve Move value axis only transmissivity by also pressing Shift Move time axis only storage coefficient by also pressing Ctrl Delta value 1 Then click on the curve within the graphic with the left mouse button and hold the button pressed Now displace the curve until the measured curve and the type curve are congruent Now go to the Evaluation Permeability menu item GGU PUMPTEST User Manual Page 23 of 46 January 2001 Result ES Type curve method after Theis Permeability 1 108E 3 m s Transmissivitu 1 109E 2 m s Storage coeff 2 39 E 4 Use as result text E lo To check you can select the menu item Evaluation Theis type curve again Preferences for type curve method after Theis X Type curve method after Theis Distance to observation gauge m 1353 Bl Pumping rate m s 0 02666667 Calculate Aquifer thickness m 10 00 v Confined aquifer Displacement to type curve Displacement factor x 5 3985266 3 H 22981 7E 0 Displacement factor y Camel fo Because of the displacement of the curve the displacement factors required for determination of permeability have now been determined Go to the Evaluation Auto fit menu item to select the automatic method AS Automatic adjustment to type curve Action can be aborted with right mouse button 14 values Caen The program only r
23. e r distance between gauge and extraction well The following data is required e distance between the extraction well and the monitoring well e the constant pumping rate in the extraction well e the aquifer thickness H e confined or unconfined aquifer and e the drawdown h in the monitoring well against time After defining the input values they are entered against time and the best fit curve determined The permeability can then be determined Example This is the example for Gauge 6b in Langguth Voigt The data for Gauge 6b are shown in Table 3 Gauge 6b data The pumping rate in the extraction well is 0 02667 m s Gauge 6b is 139 60 m from the extraction well The aquifer is 10 0 m thick It is a confined aquifer Go to the File New menu item Which method do you want to use Time dravidown method Distance drawdown method Distance time drawdown method Info Theis recovery Thais type curve Cancel TU Theis recovery E Select the Theis type curve button Go to the menu item Edit Edit values GGU PUMPTEST User Manual Page 21 of 46 January 2001 Measured values x Forw Back Lancel Go to no O values to edit Sort Ma Time sec Measured value m Choose the O values to edit button x Mo of values 14 Canes and enter 14 because the test comprises 14 measured values Enter the values given in Table 3 Gauge 6b data Measur
24. ed values xX Forw Back Cancel Go to na fi 14 values to edit Sort Ma Time sec Measured value m 240 000000000 D 40000000 L E 520000000 3 60500000000 525000000 4 785000000000 525000000 5 1145000000000 5350000000 s 1500000000000 5400000000 7 2010000000000 5450000000 a 2765000000000 5500000000 3 5500 000000000 555000000 10 4800 O00000000 0 5390000000 Navigate through the table using the Forw Button in order to enter further values GGU PUMPTEST User Manual Page 22 of 46 January 2001 Go to the Evaluation Theis type curve menu item Preferences for type curve method after Theis I X Type curve method after Theis Distance to observation gauge m 1353 Bl Pumping rate m s 002666667 Calculate Aquifer thickness m 10 00 v Confined aquifer Displacement to type curve Displacement factor x 1 000000 0 1 000000E 0 Displacement Factor p Camel to Enter the values in the dialogue box and confirm with OK The Displacement to type curve values are determined automatically or by hand afterwards After input the measured curve must be made congruent with the type curve Two methods can be used to do this e by hand e automatically Go to the Evaluation Hand fit menu item to select the by hand method SS 5 Press an
25. eigecovey Info Theis type curve Lance Then select the evaluation method of your choice After this go to the Test planning menu Enter the required values according to the selected evaluation method The program will then simulate a pumping test and you can subsequently view the simulated values in the corresponding menu items The individual methods will now be explained in more detail In addition an example will be described in each case All examples are provided as files with the program and can be loaded and viewed You must enter a drawdown for all evaluation methods These drawdown values are so called depth to ground water values That is the values must be entered as positive downwards measured from the at rest water level GGU PUMPTEST User Manual Page 5 of 46 January 2001 3 2 Time drawdown method The theoretical principles are described in Langguth Voigt on pages 165 to 167 This method entails a drawdown in a well with a constant pumping rate At the same time the course of the drawdown 1s measured in a nearby monitoring well The graphical representation of the test results is in a semi logarithmic scale drawdown against time The following data is required e distance between the extraction well and the monitoring well e the constant pumping rate in the extraction well e the aquifer thickness H e confined or unconfined aquifer and e the drawdown h against time in the monitoring well
26. equires a short time to determine the displacement factors GGU PUMPTEST User Manual Page 24 of 46 January 2001 Autofit result X Minimum deviation to type curve 0 039595 Type curve method after Theis Permeability 1 166E 3 m s Tranemissivity 1 1686 2 m s Storage coeff 2 353E 4 As result text Lancel The solution given in Langguth Voigt is e T 1 1 10 m s e S 24 10 m s The minor differences are due to the purely visual evaluation employed by Langguth Voigt 4 File menu 4 1 New menu item You can evaluate a new pumping test using this menu item 4 2 Load menu item Here you can load a file previously created file containing test data and saved to disk in a previous session This file can be edited modified and re evaluated etc 4 3 Save and Save as menu items You can generate a file containing the current test data and have it available for a later session Subsequent loading results in exactly the same representation as at the time of saving 4 4 Read datalogger menu item W A S Braunschweig datalogger files can be imported directly MDSID 4 5 Read ASCII menu item ASCII data can be imported using this menu item 4 6 Save ASCII menu item Values can be saved as ASCII data using this menu item GGU PUMPTEST User Manual Page 25 of 46 January 2001 4 7 Output preferences menu item You can edit printer preferences or select another printer in ac
27. g rate At the same time the drawdown at a given time is measured in at least two nearby monitoring wells Abst nde E o 5 _ co GGU PUMPTEST User Manual Page 9 of 46 January 2001 The graphical representation of the test results is in a semi logarithmic scale drawdown against distance The following data is required e distances between the extraction well and the monitoring wells gt 2 e the drawdown h in the monitoring wells at a given time e the constant pumping rate in the extraction well e the aquifer thickness H e confined or unconfined aquifer After defining the input values they are entered against the distances to the extraction wells and the best fit curve determined The permeability can then be ascertained Example This is the example for Gauges 3b 11b and 6b in Langguth Voigt The pumping rate in the extraction well is 0 02667 m s In Table 2 Gauges 3b 6b and 11b data the distances of the three gauges to the extraction well and the drawdown at time t 5400 seconds are given Distance m Drawdown h m 1 990 23 00 1 394 139 60 0 611 Table 2 Gauges 3b 6b and 11b data The aquifer is 10 0 m thick It is a confined aquifer Go to the File New menu item Which method do pon want to use __Distance dramdown method __Distance tine drawdown method _ ___Theisyecovew ___Theis ype curve Lance Time drawdown method Distance drawdown method Di
28. in order to enter further values Go to the Evaluation Theis recovery menu item GGU PUMPTEST User Manual Page 19 of 46 January 2001 THEIS recovery preferences X THEIS recovery Pumping duration sec 14600 00 Pumping rate nmrs 002666667 Calculate Aquifer thickness m 10 0 Iw Confined aquifer Cancel no Enter the values in the dialogue box and confirm with OK Result 5 THEIS recovery a 1 4597E 1 b 2624rE r 0 99927 Permeability 8 085 4 m s Tranemissivity 8 0856 3 m z Calculate skin values Use as result text Tes Mo The a and b values describe the course of the best fit curve through the data The r value is the correlation coefficient representing the quality of the best fit curve Below this the permeability and the transmissivity are given The solution given in Langguth Voigt is e T 84 10 m s The minor differences are due to the purely visual evaluation employed by Langguth Voigt 3 6 Theis type curve method The theoretical principles are described in Langguth Voigt on pages 153 to 164 This method entails a drawdown in a well with a constant pumping rate At the same time the course of the drawdown is measured in a nearby monitoring well GGU PUMPTEST User Manual Page 20 of 46 January 2001 139 60 m The graphical representation of the test results is in a double logarithmic scale drawdown against t r t tim
29. ion curve can also be represented In addition you can specify the units for the time axis hours minutes etc 8 2 Refresh and zoom menu item If for example after using the zoom function see below only part of the image is visible you can achieve a complete view using this menu item The zoom factor may be user defined It is much simpler however to get a complete overview using ESC Using the F2 key you can refresh the screen without altering the zoom factor 8 3 Zoom info menu item You will see information on activating the zoom function GGU PUMPTEST User Manual Page 36 of 46 January 2001 8 4 Pen colour and width menu item CNET 0n Edit pens Colour Width mm g Standard lo el Type curve 0 20 Values lo 20 GW zero 2U AD 2n E Regression lo Derivation lo FR Evaluation range 0 20 i By selecting the buttons on the left of the dialogue box you can edit the pen colours Furthermore you can define pen widths 8 5 Legend font selection menu item With this menu item you can switch to a different True type font All available true type fonts are displayed in the dialogue box 8 6 Font size selection menu item By choosing this menu item you can edit the font sizes for use in the graphic x Heading 45 Company line 1 30 Company line 2 etc EN Appendis Aepork 25 Project 1st line 35 Project 2nd line El Axes etc E Table E
30. n method a 2 0976E b 4 6625E 1 r 0 99661 Permeability 9 1 03E 4 m s Transmissivity 9 103 3 me s Storage coeff 4475E 4 10 500 1 rm Use as result text Tes Mo The a and b values describe the course of the best fit curve through the data The r value is the correlation coefficient representing the quality of the best fit curve Below this the permeability the transmissivity and the storage coefficient are given The rp value describes the intersection of the best fit curve with the distance axis The solution given in Langguth Voigt is e T 9 0 10 m s e S 4 8 107 ms The minor differences are due to the purely visual evaluation employed by Langguth Voigt 3 4 Distance time drawdown method The theoretical principles are described in Langguth Voigt on pages 169 to 171 This method entails a drawdown in an extraction well with a constant pumping rate At the same time the course of the drawdown in this well is measured in at least two nearby monitoring wells GGU PUMPTEST User Manual Page 12 of 46 January 2001 Abst nde r The graphical representation of the test results is in a semi logarithmic scale drawdown against Time square of distance t r The following data is required e distances r between the extraction well and the monitoring wells e the constant pumping rate in the extraction well e the aquifer thickness H e confined or unconfi
31. ne 4 Begin Line 5 OF Cancel Reset Y ou can edit a wide range of texts for use in the graphic You can change the graphic heading and change Report to Report no for example By activating or deactivating the checkboxes for Line 1 etc the corresponding lines are either displayed or subdued in the graphic The Test data text appears in the dialogue box in the menu 1tem Edit Test data Test data X Designation Gauge 3b Filter position Po Groundwater at rest Measurements begin Measurements end OF Cancel Only if entries are made here is anything entered in the table at the bottom of the graphic GGU PUMPTEST User Manual Page 40 of 46 January 2001 9 4 Position info menu item The graphic consists of a total of 10 freely positionable elements The size of almost all the elements can also be modified If keeping the Shift key pressed you double click the left mouse button on the desired element you will see a dialogue box for quicker repositioning Alternatively you may also move with the mouse Menu item Forn Move with mouse LIE The info box provides information on the positioning of the elements 9 5 Measured values menu item This refers to the graphic frame containing the representation of the test results measured values x e with outline Iw With background col x 500 M 460 dx 228 0 dy 00 0 Spacing of
32. ned aquifer and e the drawdown h against time in the monitoring wells After defining the input values they are entered against t r t 2 time r 2 distance to monitoring well and the best fit curve determined Example This is the example for Gauges 3b 11b and 6b in Langguth Voigt The principal boundary conditions correspond to those of the previous two examples Go to the File New menu item Which method do you want to use Time drawdown method Distance drawdown method info into Distance time drawdown method Info into into Thais recovery Theis type curve Time drawdown method ___Distance drawdawn method _ Distancetime drawlown method _ O Theigecovey Info Theis type curve Lancet Cancel Select the Distance time drawdown method button Go to the menu item Edit Edit values GGU PUMPTEST User Manual Page 13 of 46 January 2001 Measured values xX Well values editor New Forw Back Click the New button Gauge 3b Well name Gauge 3b Distance r to drawdown well m 23 00 Actions Edit values Delete well Manipulate values Read ASLII data Save ASLII data Duplicate well Enter the well name and the distance to the extraction well Select the Edit values button Gauge 3b LUNES o Fow o Back Cancel Sort Go to no O values to edit Ma Time sec Measured value m Enter 24
33. nguage selection For installation and subsequent registration of GGU software please refer to the information in the Installation notes for GGU Software which are supplied with the program GGU PUMPTEST international version is a bilingual program You may choose to work in German or English The international version is delivered with English as the default menu and graphics language If you would like to work with GGU PUMPTEST International version in German start the program and go to File New in the initial menu bar An expanded menu bar appears Go to the menu and there to the menu item International version and deactivate the switch for translating the menus and graphics see also Section 10 6 GGU PUMPTEST User Manual Page 4 of 46 January 2001 3 Theoretical principles 3 1 Overview The program is based on the theoretical principals described in e Langguth Voigt Hydrogeologische Methoden Hydrogeological Methods Springer Verlag ISBN 3 540 10174 8 ISBN 0 387 10174 8 You can also acquaint yourself very quickly with the data input methods without reading the user manual by going directly to the File New menu Which method do you want to use Time drawdown method info Distance drawdown method D istanice tme dravidown method Info Thais recovery Theis type curve Cancel Time drawdown method ___Distance crawdawn method _ Distancetime drawlown method _ Th
34. oundwater level Navigate through the table using the Forw Button in order to enter further values Go to the Evaluation Time drawdown method menu item Time drawdown method preferences X Time drawdown method after Cooper acob Distance to observation gauge m 23 00 Pumping rate rz 002666667 Calculate Aquifer thickness m 10 00 M Confined aquifer With derivation curve Cancel no Enter the values in the dialogue box and confirm with OK GGU PUMPTEST User Manual Page 8 of 46 January 2001 Time drawdown method a 5 2609E 1 b 3f0E 1 r 1 33343 Permeability 9 483 4 m s Tranemissivity 8 48 3E 3 m s Storage coeff 4 225E 4 t 2 10 5 s Use as result test Tes Mo The a and b values describe the course of the best fit curve through the data The r value is the correlation coefficient representing the quality of the best fit curve Below this the permeability the transmissivity and the storage coefficient are given The t value describes the intersection of the best fit curve with the time axis The solution given in Langguth Voigt is e T 94 10 m2 s e S 46 10 m s The minor differences are due to the purely visual evaluation employed by Langguth Voigt 3 3 Distance drawdown method The theoretical principles are described in Langguth Voigt on pages 167 to 169 This method entails a drawdown in a well with a constant pumpin
35. s and the graphics from German to English and vice versa To work in German activate the two switches translate dialogs menus and translate graphics Alternatively you can work bilingually e g with German dialogue boxes but with graphic output in English GGU PUMPTEST User Manual Page 45 of 46 January 2001 11 Index A L AUTOM atan acia 24 Language CHOICE Ol i lbs tc nids 45 AMOCAD acsi a 27 M x MOST ad 25 Choice of language ees E CHIDO tddi 27 O D OUTDU c Ls e 26 D talog ret ieu tds 25 P Depth to water values e 5 O cci eee 24 A teu utet pte oo cies ps 26 Displacement to type curve 23 R Distance drawdown method 9 Distance time drawdown method 12 Recovery method sss 17 Representation range eeeeeeesesss 30 E Roushen values cu oe 30 lera v Mr 28 T Evaluation Fate i da 30 FX ANID ES civique ste tav SPUR tI I SN uds 5 Theoretical principles 5 Time drawdown method 6 F A ate a 4 MP ET poo SCIT 4 45 FOIE SIZES scrub autas suo deii dox bte pentaSds 37 Dopscur Sane Odenton eerte 20 E W GGUCAD anadir 24 WINDOWS conventions 26 H e 23 GGU PUMPTEST User Manual Page 46 of 46 January 2001
36. stance ime drawdown method Info Theis recovery Thais type curve Cancel Select the Distance drawdown method button GGU PUMPTEST User Manual Page 10 of 46 January 2001 Go to the menu item Edit Edit values measuredvatwes xd Forw Back Cancel Go to na fi 0 values to edit Sort Ma Time sec Measured value m Choose the O values to edit button x Ma of values 3 D Cancel and enter 3 because the test comprises measured values from 3 wells Enter the following values measuredvatwes x Forw Back Lancel Go to na 3 values to edit Sort Ma Distance m Measured value m 1 400000000 1 330000 0L B 23 000000000 1 93 4 000000 3 133 600000000 0 61 1000000 These values represent the distances of the monitoring wells to the extraction well and the corresponding drawdown relative to the at rest groundwater level Go to the Evaluation Distance drawdown method menu item GGU PUMPTEST User Manual Page 11 of 46 January 2001 Distance drawdown method preferences Distance drawdown method after Cooper acab x Pumping rate nr 7s 002666667 Calculate Aquifer thickness m 10 00 With derivation curve Iw Confined aquifer Time for all readings sec 400 00 only For storage coefficient Cance fo Enter the values in the dialogue box and confirm with OK AAA a Distance drawdow
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