Instruction Manual for Baptist Well Drilling Outstanding manual with detailed instructions on the Baptist method of drilling. This technique requires much less drilling fluid (water) than other methods. Additionally, it can drill through unconsolidated formations.
Design of a Low Cost Drilling Rig (Cranford - Burrows) Abstract from www.watersanitationhygiene.org site that compares several low cost drilling methods and rigs.
Drilled wells Comprehensive well drilling manual in pdf format.
Guide to Drilling a Well A publication of the Oregon Ground Water Association.
Cost Effective Boreholes This is a manual from the Rural Water Supply Network's site. It is written by Kerstin Danert.
Well Drilling School Manual Interesting and fairly comprehensive text in pdf format from the well drilling school. Great descriptions of cable tool drilling rigs, rotary drilling, drill bits, diamond bits, drillin