2004 Drilling Method Statistics
for All Drillers
 
Production Wells
 
Drilling Method # of Wells % of Total Bar Graph
Air Rotary 341 47.0% l
Mud Rotary 150 20.7% l
Flooded Reverse Circulation 5 0.7% l
Cable Tool 213 29.3% l
Auger 2 0.3% l
Dual Rotary 12 1.7% l
Direct Push 2 0.3% l
Rotasonic 0 0.0% l
Other 1 0.1% l
Total726
 
Non-Production Wells
 
Drilling Method # of Wells % of Total Bar Graph
Air Rotary 148 17.5% l
Mud Rotary 463 54.9% l
Flooded Reverse Circulation 1 0.1% l
Cable Tool 21 2.5% l
Auger 119 14.1% l
Dual Rotary 9 1.1% l
Direct Push 29 3.4% l
Rotasonic 5 0.6% l
Other 49 5.8% l
Total844