Rat Hole Drilling
A rat hole is an extra hole drilled at the side of the hole to temporarily leave expendable drilling equipment, such as drill pipe and collars, etc.
Gridiron Drilling Services Inc
235, 10601 Southport Rd SWCalgary, AB T2W 3M6
Main: (403) 206-2114
Additional Addresses (2): Fort McMurray AB, Nisku AB
OK Drilling Services LP
603, 333 11 Ave SWCalgary, AB T2R 1L9
Main: (403) 264-5941
Additional Addresses (4): Grande Prairie AB, Red Deer AB, Whitecourt AB, etc.