The days when moving a drilling rig was a straightforward, low-key effort have disappeared for a number of reasons, with cost the primary one. The current cost of moving a drilling rig can easily be US $1 million per day if unproductive rig time and the rates for anchor handling vessels (AHVs), remotely operated vehicles (ROVs), helicopters and other ancillary operations are taken into account. And the availability of AHVs, costing more than $100,000 a day, cannot be taken for granted. In the Gulf of Mexico, for example, the new...

Already have an account? Log In

Thanks for reading Hart Energy.

Subscribe now to get unmatched coverage of the oil and gas industry’s entire landscape.

Get Access