Offshore Oil Spill Prevention and Preparedness for Chukchi

Offshore Oil Spill Prevention and Preparedness for Chukchi Sea Exploration Activities September 21, 2010 Becky Silves Alaska Emergency Response Coordinator Slide 1

Conoco. Phillips North Slope Acreage § Focused on Chukchi Sea (98 leases acquired for $506 MM) § Current plans target drilling an exploration well in 2013 § 40 years experience in the Arctic Chukchi Sea Beaufort Sea Kuparuk Alpine Devil’s Paw GMTU 50 miles Conoco. Phillips acreage shown in yellow TAPS NPR-A Prudhoe Bay Point Thomson ANWR Acreage as of Oct 2009 Slide 2

Three Years of Baseline Studies – Chukchi site clearance work – Integrated environmental baseline research (including fisheries, acoustic & met-ocean buoys) – Upward looking sonar (ice keel depths, wave data, ocean currents) – Air monitoring station in Wainwright – Web Cam – Geotechnical cores (Fugro) Side Scan Sonar Zero incidents or injuries & no conflicts with subsistence hunting Slide 3

Drilling Planned for Ice-free Periods Ice Conditions (blue = open water) Slide 4

Alert System To Track Broken Ice Movement ZONES: b a 1. Observation Zone 2. Management Zone 3. Critical Zone ACTIONS: c b d 1 2 a. Detection b. Threat Evaluation c. Physical Management d. Secure & Prepare to Remove Rig 3 Drilling Unit After - ISO/DIS 19906 – Arctic Offshore Structures Slide 5

Relatively Shallow Water and Reservoir Chukchi Sea Operating Environment Typical Deepwater Operating Environment Sea Level Shallow water – 150 Feet Formation Target ~ 10, 000 Feet Formation Target ~ 15, 000 to 35, 000 Feet Slide 6

Dedicated & Diverse Spill Response Strategy • Offshore – Dedicated response fleet available for immediate response Tanker, OSRV 1, 2 and 3 • Nearshore – On-water mobile response equipment located approximately 5 miles offshore • Near shore barge Onshore – Mapping and photography of the entire Chukchi coastline for development of Shoreline Protection Plan Near shore Landing Craft Note: Drawing not to scale and for illustrative purposes only. Slide 7

Ongoing Arctic Response Research and Development • Alaska Clean Seas R&D Committee Meso-scale Basin testing in SINTEF JIP • SINTEF Oil in Ice JIP Field Testing • IPIECA/OGP Arctic OSR Task Force JIP Lab Testing for SINTEF JIP New Equipment Testing with ACS Airborne GPR Detection Slide 8

Thank you Slide 9