Bud's Offshore Energy (BOE)

The active rig count in the GoM in 2001 was 148 (AL-4, LA-119, TX-25), which is >8 times the current Baker Hughes rig count of 18. The 2001 rig count was not a one year blip; the number of rigs active in the GoM exceeded 100 for the ten year period from 1994-2003.

While the current rig count is anemic by comparison, the capabilities of the fleet are anything but. Below is a list derived from drilling contractor status reports of deepwater rigs now operating in the Gulf.

All of these rigs are dynamically positioned and are capable of drilling in 12,000′ of water. They have dual derricks and 15,000 psi rated BOP rams (one has a 20,000 psi stack, and another can be upgraded to 20,000 psi). The annular preventers are rated at 10,000 psi. All have impressive storage and hook load capacities, the latest tubular handling equipment, advanced control systems, and efficient power generation.

Note that most of the rigs fly the flag of the Marshall Islands. This “flag of convenience” registration is preferred for reasons related to taxation and operational freedom. For the record, the fact that the Deepwater Horizon was registered in the Marshall Islands had little to do with the Macondo blowout. The DWH was subject to all Coast Guard and MMS regulations under the OCS Lands Act.

The main cause of the Macondo blowout was the poorly planned and executed well suspension operation. Certain equipment capability, maintenance, and employee training issues were contributing factors. However, with that said, the Marshall Islands report on the blowout candidly acknowledges that “the complexity of and interdependence between the drilling and marine systems and personnel suggests a need for increased communication and coordination between the flag State and coastal State drilling regulators.” Hopefully, that coordination is being achieved and the risks associated with the fragmented regulation of mobile drilling units are being effectively managed.

Short video about the Stena Evolution, the newest entry to the Gulf of Mexico fleet:

Read Full Post »