December 2012
Supplement
Rig Designs
Maersk Drilling is constructing the XL Enhanced rigs in Singapore. RT Energy Services’ Versa-Rig 300 kept pulling 1/2-in. casing, when most workover rigs in North Dakota needed to be shut down. The Sparta drilling system has increased its presence in North American shale plays, as Integrated Drilling Equipment recently fulfilled its twelfth contract for the safe, highly efficient, fast-moving rig.
