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Update: BSEE Oversight of Shell’s 2015 Chukchi Sea Drilling Program Kevin Pendergast, PE CPG Regional Supervisor, Field Operations - Alaska Region September 24, 2015 “To promote safety, protect the environment and conserve resources offshore through vigorous regulatory oversight and enforcement.” BSEE Mission Statement
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Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Oct 16, 2021

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Page 1: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Update: BSEE Oversight of Shell’s 2015 Chukchi Sea Drilling Program

Kevin Pendergast, PE CPG Regional Supervisor, Field Operations - Alaska Region September 24, 2015

“To promote safety, protect the environment and conserve

resources offshore through vigorous regulatory oversight and

enforcement.”

BSEE Mission Statement

Page 2: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Shell – 2015 Chukchi Sea Program

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Project Location

Source: Shell Gulf of Mexico, Revised Outer Continental Shelf Lease Exploration Plan Chukchi Sea, Alaska (Rev 2 March 2015)

Page 3: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Burger Prospect Drilling Characteristics Normally Pressured Wells Shallow Target: <10,000 ft Shallow Water: <200 ft

Drilling is Straightforward Logistical, Seasonal Constraints are Drivers USFWS LOA restricts simultaneous drilling

on rigs spaced less than 15 miles apart. Current drill sites are 8.9 miles apart.

Shell – 2015 Chukchi Sea Program Operations Overview

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Page 4: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Mobile Offshore Drilling Units (MODUs) [2] Transocean Semisubmersible Polar Pioneer Noble Drillship Discoverer

Support Vessels and Work Boats [35-40] Size Range ~34 ft to 813 ft (~10 m to ~248 m) Well Control, Oil Spill Response/Storage, Ice

Management, Offshore Supply Helicopters [4] and Fixed-wing Aircraft [3] Man Camps, Staging Areas, Ops Centers,

Shell Ice/Weather Advisory Center

Shell – 2015 Chukchi Sea Program Scale of Operations

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Page 5: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Arctic Containment System

Shell – 2015 Chukchi Sea Program Key Arctic Strategies

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Source: BSEE Files

Page 6: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Availability of Capping Stack (24 hrs)

Shell – 2015 Chukchi Sea Program Key Arctic Strategies

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Source: Shell International E&P

Page 7: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Same Season Relief Well Schedule Considerations (34-38 days) Equipment Availability (Same season=On hand)

Mudline Cellar

Protection from ice gouge if required to move off Ice Management

Shell – 2015 Chukchi Sea Program Key Arctic Strategies

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Page 8: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

24/7 BSEE coverage on each MODU Began approx. July 25; will continue until

MODU’s depart Burger for the season Polar Pioneer still drilling Burger J well

Allowed to drill/work in hydrocarbon zones until Sept. 28

Discoverer plans to begin Burger V well Must wait until Polar Pioneer plugs Burger J

End of all drilling activities currently set at November 1

Shell – 2015 Chukchi Sea Program Inspections Program and Operational Update

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Page 9: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

High degree of vigilance observed by BSEE Open communication between BSEE and

operator and other agencies enhances oversight and safety Challenges:

Logistics Weather Stakeholder communications

Shell – 2015 Chukchi Sea Program Inspections Program and Operational Update

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Page 10: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Conducted inspections of Shell oil spill response equipment in:

Valdez, AK Seattle and Everett, WA Anchorage, AK Prudhoe Bay, AK Wainwright, AK

Conducted a Government Initiated Unannounced Exercise Tabletop (TTX)

Tested elements of Shell’s Oil Spill Response Plan not demonstrated during the Shell-led TTX in May

Shell – 2015 Chukchi Sea Program

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Oil Spill Preparedness Activities

Page 11: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Shell – 2015 Chukchi Sea Program

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Oil Spill Preparedness Equipment Inspections 2015

Page 12: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

Current Expl. Plan allows additional wells or continued work on wells at Burger Prospect Depending on what Shell discovers this

year, BSEE expects them to pursue additional Chukchi wells in 2016 Enhanced interagency coordination during

plan review/permitting key in winter 2015/16

Shell – 2016 Chukchi Sea Program Overview

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Page 13: Update: BSEE Oversight of Shell’s 2015 Chukchi Sea ...

“To promote safety, protect the environment and conserve

resources offshore through vigorous regulatory oversight and

enforcement.”

BSEE Website: www.bsee.gov

@BSEEgov BSEEgov Bureau of Safety and Environmental Enforcement