If you want to be a rig hand, you will probably not need a drivers license. I work in the water well drilling industry, and we hire laborers without drivers licenses to work in the shop and on the rigs.
Americawestdrillingsupply.com is a great online webstore and resource center for all things drilling. The website has tech charts, drilling systems, and rentals.
removal of mud, dirt
Artesian Wells
Not really, they are totally different techniques, but at least you won't start from basics.
The U.S. water well drilling industry includes more than 8,000 establishments operating roughly 19,000 drilling rigs in the early 2000s. These establishments had total employment of 25,539 in 2002,
man made
Building a small water well drilling machine for home use to drill a 100-foot deep well requires specialized equipment and expertise due to safety and legal regulations. It is recommended to consult professional well drilling companies and obtain necessary permits for drilling. Attempting to create a DIY drilling machine for a well of this depth may pose safety risks and result in ineffective or failed outcomes.
I recommend checking www.test-cdl.com on more information for cdl license requirements. I also check http://www.nationaltruckdrivingschools.com for more information as well
above the water table
Conventional Drilling is the drilling of a vertical well through reservoir rocks to TD. Directional drilling is the drilling of a non-vertical well horizontaly through a source rock.
It's important to know the depth of an aquifer before drilling a well because if you drilled 35ft but there was a remaining of about 5-10 more feet you wouldn't really get all the water from the aquifer, and you'd run out of water in an amount of time.