Drill bits and casing spec
The drill bits were steel tri-cone with tungsten carbide inserts, Four sizes were used for the production well and three for the injection well. The wells are steel cased for most of their length with just the deepest section open to allow water to circulate.
Drill Bit Sizes
24”, 17 ½”, 12 ¼” & 8 ½”

Production Well Casing
Injection Well Casing
30” surface to 11m
18 5/8” surface to 245m
13 3/8” surface to 899m
Kick off point for directional drilling 3400m
9 5/8” surface to 3985m
8 ½” not cased to 5275m
30” surface to 11m
13 3/8” surface to 804m
Kick off point for directional drilling 1030m
9 5/8” surface to 1820m
8 ½” not cased to 2393m