About Betts Drilling Ltd
rig 1: completed 2011 depth rating: 4000 m telescopic double rig 2: completed 2012 depth rating: 4000 m telescopic double rig 3: completed october 2012 depth rating: 4000 m telescopi... Read more
rig 1: completed 2011 depth rating: 4000 m telescopic double rig 2: completed 2012 depth rating: 4000 m telescopic double rig 3: completed october 2012 depth rating: 4000 m telescopi... Read more