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Well & Handpump Construction Test

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  1. Preparing For Your Overseas Trip
  2. Mud Rotary Drilling Overview
  3. Drilling with the LS-100 Mud Rotary Drill Rig
  4. Well Completion
  5. Cement Pad Construction
  6. Overview of Handpump Basics
  7. Bush Handpump

Preparing For Your Trip
  1. What are 9 key things to take overseas? (Answer)
  2. In addition to items listed above, what 6 things would you take if you were a trainer for a new project start-up? (Answer)
  3. What 5 qualities should affect who you choose to train? (Answer)
  4. How do you decide which trainees should be hired? (Answer)
  5. What 5 factors contribute to "per well" cost estimates? (Answer)
  6. How can overseas crews reduce reliance on foreign aid? (Answer)
  7. When overseas, how do you make your drinking water safe if you have no water treatment unit/device? (Answer)
  8. What are the 7 most important points which should be included in a "community agreement" prior to drilling a well? (Answer)
  9. What are the 5 greatest health/safety risks when you travel overseas and drill wells? (Answer)
M ud Rotary Drilling Well Construction Overview
  1. What 3 well drilling supplies are hard to get overseas? (Answer)
  2. What are 7 factors to consider in siting a new welll? (Answer)
  3. What is a drill log? (Answer)
  4. What must be done after using polymer to drill a well? (Answer)
  5. How can you minimize drilling fluid loss from mud pits? (Answer)
  6. What 7 functions does drilling mud serve? (Answer)
  7. How is a marsh funnel used to check mud viscosity? (Answer)
  8. What is a Roller Bit and when do you use it? (Answer)
  9. What is a Drag Bit and when do you use it? (Answer)
  10. How do you use a 4 in vs a 6 in drilling bit? (Answer)
  11. What determines the penetration rate of the drill bit? (Answer)
  12. What 6 signs show an aquifer has been reached? (Answer)
  13. What is happening if drilling fluid comes up through the drill pipe when you disconnect the swivel? (Answer)
  14. What are the 5 most common problems leading to unsuccessful well completion? (Answer)
D rilling with the LS-100 Drill Rig
  1. What is the most valuable benefit of the 3-way valve? (Answer)
  2. What is the purpose for the swivel assembly? (Answer)
  3. What is the purpose of the pipe slips? (Answer)
  4. What part on the LS-100 uses grease? (Answer)
  5. What parts on the LS-100 use oil? (Answer)
  6. Why does the winch come equipped with a hand brake? (Answer)
  7. What borehole depth & diameter can the LS-100 drill? (Answer)
  8. What should you know before operating a LS-100? (Answer)
  9. What should you arrange in advance in order to maximize drilling efficiency? (Answer)
  10. What should you check before leaving for a drill site? (Answer)
  11. What should you do before starting the engines on either the rotary or mud pumps? (Answer)
  12. What should you do if you encounter a hard formation? (Answer)
Borehole Completion
  1. How do you know where to set the screen? (Answer)
  2. What is the purpose for gravel packing? (Answer)
  3. What is the most effective way to place a gravel pack? (Answer)
  4. What is does "developing a well" mean and what are 3 reasons for doing it prior to pump installation? (Answer)
  5. What is the main purpose of sealing the well annulus with cement grout and how do you do it? (Answer)
  6. What cement/sand ratio should be used for grout? (Answer)
  7. How do you disinfect a newly constructed well? (Answer)
Cement Pad Construction
  1. In designing a cement pad, you should keep in mind its two (2) main functions... What are they? (Answer)
  2. Is it better to build a wooden form or to use cement blocks to shape the outer edge of the pad? (Answer)
  3. What optional features may be included in pad designs? (Answer)
  4. What dimensions (width, length, height) and shape should a cement pad be? (Answer)
  5. What is the most important thing to check when examining gravel for use in making a pad? (Answer)
  6. What cement/sand/gravel ratio should be used to mix concrete for a pump pad? (Answer)
  7. How much concrete would you need to make a 2m x 2m x 10cm thick pad (# bags)? (Answer)
  8. How long should pads cure before installing a cylinder? (Answer)
  9. How do you help concrete cure completely? (Answer)
  10. Should concrete be mixed slightly wet or slightly dry? (Answer)
Handpump Overview
  1. What should you inspect on wells & handpumps? (Answer)
  2. What is the most common problem resulting in handpumps not working anymore? (Answer)
  3. If a pump is not producing water, what 3 things should you check before you attempt pump repair? (Answer)
  4. What is the difference between a "working barrel" and a "down hole cylinder"? (Answer)
  5. If you have to pump very fast for a long time before water comes out the spout, what is the most likely problem? (Answer)
  6. If you have to pump very hard to make water come out the spout, but it comes as soon as you pump, what is the problem? (Answer)
  7. If the pump handle is very hard to push down and it "snaps" back up without producing water, what is the problem? (Answer)
  8. If a pump's handle is very easy to move up & down and no water comes out, what is the problem? (Answer)
  9. If you pump and it feels okay, but little or no water comes out the spout, what is the most likely problem? (Answer)
  10. If a pump produces water for a little while before sputtering dry, and the works again an hour later, what can you do? (Answer)
  11. Why are centralizers for the pump rod and casing important and how can you make them? (Answer)
  12. What is the key thing to do after fixing a pump? (Answer)
  13. What is the last thing you should do before you start drinking water from a new well? (Answer)
Bush Handpump
  1. What is the most difficult and the most expensive parts to get for a Bush handpump? (Answer)
  2. What are 4 advantages of using a Bush handpump? (Answer)
  3. What are the 2 main factors that you should consider when deciding whether or not to use a Bush handpump in a particular community? (Answer)
  4. What is the hardest task when installing a Bush pump? (Answer)
  5. When could you just put a handle on the sucker (pump) rod and not build a complete Bush handpump? (Answer)
  6. How far above ground should the well casing be cut?(Answer)
  7. What tools do you need to install a Bush handpump? (Answer)
  8. How can you install a Bush pump on a dug well? (Answer)
  9. What do you do when the cup leathers are worn-out? (Answer)
  10. How do you adjust the Bush handpump so that the piston (plunger) does not strike the top or bottom of the cylinder when the handpump is pumped? (Answer)