Field/Installation

Operator at time of Approval

Operator following licence/company change

Main Installations Decommissioned

Approved Decommissioning Option

Year of Approval

Piper Alpha

Occidental

Talisman

Fixed Steel Platform

Toppling

1988

Crawford

Hamilton

BHP

Floating Production, Facility (FPF)

Removal to shore

1991

Catenary Anchor Leg Mooring (CALM) Buoy

Removal to shore

Subsea Facilities

Removal to shore

Argyll, Duncan and Innes

Hamilton

BHP

Floating Production, Facility (FPF)

Removal to shore

1992

Catenary Anchor Leg Mooring (CALM) Buoy

Removal to shore

Blair

Sun Oil

AGIP

Subsea

Re-use

1992

Angus

Amerada Hess

Floating Production, Storage and Offloading (FPSO) Vessel

Re-use

1993

Forbes AW

Hamilton

BHP

Fixed Steel Platform

Removal to shore

1993

Esmond CP & CW

BHP

2 x Fixed Steel Platform

Removal to shore

1995

Gordon BW

BHP

Fixed Steel Platform

Removal to shore

1995

Emerald

MSR

FPSO

Re-use

1996

Frigg FP

Elf Norge

TotalFinaElf Norge

Flare Column

Removal to shore

1996

Leman BK

Shell

Fixed Steel Platform

Removal to shore

1996

Staffa

Lasmo

Subsea

Removal to shore

1996

Viking AC, AD, AP & FD

Conoco

4 x Fixed Steel Platform

Removal to shore

1996

Brent Spar

Shell

Oil Storage and Loading Facility

Re-use as part of quay extension

1998

Donan

BP

FPSO

Re-use

1998

Fulmar SALM

Shell

Single Anchor Leg Mooring Buoy

Removal to shore

1998

Blenheim and Bladon

Talisman

FPSO

Re-use

2000

Durward and Dauntless

Amerada Hess

FPSO

Re-use

2000

Subsea Facilities

Removal to shore

Maureen and Moira

Phillips

Large Steel Gravity Platform

Re-use or Removal to shore

2000

Concrete Loading Column

Re-use or Removal to shore

Camelot CB

Mobil

Fixed Steel Platform

Re-use or Removal to shore

2001