Shell has received the approval of one Application for Permit to Modify (APM) to conduct exploratory drilling activities into potential oil-bearing zones offshore Alaska at one of the wells at the Burger Prospect, Burger J. The company remains limited to the top section of the Burger V well. The announcement came this week from Brian Salerno, Director of the US Bureau of Safety and Environmental Enforcement (BSEE), after extensive review.
Shell submitted an APM on 6 August to modify the Burger J Application for Permit to Drill (APD), which previously restricted Shell from drilling into oil-bearing zones because a capping stack was not on hand and deployable within 24 hours, as required by BSEE. The capping stack, staged on the vessel M/V Fennica, is now in the region and capable of being deployed within 24 hours.
“Activities conducted offshore Alaska are being held to the highest safety, environmental protection, and emergency response standards,” Mr Salerno said. “Now that the required well control system is in place and can be deployed, Shell will be allowed to explore into oil-bearing zones for Burger J. We will continue to monitor their work around the clock to ensure the utmost safety and environmental stewardship.”
Shell is still prohibited from simultaneous drilling at Burger J and V, in accordance with the approved APDs, which define limitations related to marine mammal protection consistent with requirements established by the US Fish and Wildlife Service (USFWS). Consistent with regulatory requirements, a USFWS Letter of Authorization (LOA) issued on 30 June requires Shell to maintain a minimum spacing of 15 miles between active drill rigs during exploration activities to avoid significant effects on walruses in the region.
Under the LOA, Shell is also required to have trained wildlife observers on all drilling units and support vessels to minimize impacts to protected species. Shell must stay within explicitly outlined vessel operating speeds and report daily regarding all vessel transits.
To ensure compliance with this and other conditions, BSEE safety inspectors have been present on the drilling units Noble Discoverer and Transocean Polar Pioneer 24 hours a day, seven days a week to provide continuous oversight and monitoring of all approved activities. The inspectors are authorized to take immediate action to ensure compliance and safety, including cessation of all drilling activities, if necessary.
The Burger Prospect is located in about 140 ft of water, 70 miles northwest of the village of Wainwright.
In addition, building on the lessons learned from Shell’s 2012 drilling operations in the offshore Arctic and incorporating the recommendations of a departmental review of those activities, the Bureau of Ocean Energy Management (BOEM) on 11 May provided conditional approval of Shell’s Exploration Plan, which established numerous additional stringent safety requirements:
- All phases of an offshore Arctic program – preparations, drilling, maritime and emergency response operations – must be integrated and subject to strong operator management and government oversight, as detailed in Shell’s integrated operations plan;
- A shortened drilling season to allow time for open-water emergency response and relief rig operations late in the drilling season before projected ice encroachment;
- Capping stack must be pre-staged and available for use within 24 hours;
- A tested subsea containment system must be deployable within eight days;
- The capability to drill a same season relief well;
- A robust suite of measures to avoid and minimize adverse impacts to marine mammals and their habitat, impacts to native subsistence activities, and other environmental impacts; and
- Drilling units and their supporting vessels must depart the Chukchi Sea at the conclusion of each exploration drilling season.
The department has also published proposed regulations to ensure that future exploratory drilling activities on the US Arctic Outer Continental Shelf are done safely and responsibly, subject to strong and proven operational standards, and Shell’s Chukchi Sea operations are being held to many of standards in the proposed regulations.
The APM and decision letter can be found here.