Decommissioning

Bass Strait Oil Assets Decommissioning Cost Estimate (2016-2017) 

A number of interested parties are participating in the bidding process for the potential purchase of the Bass Strait Oil Assets. Linch-pin has provided cost estimates and schedules for the future decommissioning of the assets, a key issue of the sale.

   
   

Balnaves RTM Clump Weight Recovery System (2016) 

A purpose designed Subsea Clump Weight Recovery System was required to assist in the decommissioning of the Balnaves Riser Turret Mooring. This technically challenging project was delivered to suit the tight offshore removal schedule.

   
   

Subsea Chain Puller (2014 - 2015) 

Linch-pin developed the decommissioning concept for the removal of the NCC Buoy.  The concept involved the use of Linch-pin’s proprietary Subsea Chain Puller to remove tension from the buoy tethers prior to cutting them.

   
   

East Spar Decommissioning - GBS Analysis (2014 - 2015) 

Linch-pin developed the decommissioning concept for the removal of the East Spar facilities. The existing Gravity Base Structure (GBS) was used to restrain the buoy during the removal operation.

   
   

Thevenard Island Retirement (2012-2015)

In considering its options for the retirement of the TVI facilities, Chevron engaged the services of Linch-pin prior to the first framing session in Phase 1 of the Chevron Project Development and Execution Process (CPDEP).

   
   

Galoc Field Decommissioning Study (2015)

As part of this project, Linch-pin developed concepts for the plugging and abandonment of all subsea wells and for the removal / abandonment of the subsea facilities.

   
   

Thevenard Retirement (2013 - 2014) 

The TVI Retirement Project consisted of the removal of 9 wellhead platforms from the North West Shelf of Western Australia. Linch-pin carried out the detailed structural analysis and design for the removal of the platforms using a Heavy Lift Vessel.

   
   

Balnaves MEFF Decommissioning Study (2014)

KUFPEC Australia engaged Linch-pin to provide expert decommissioning consultancy services to develop concepts for the removal/abandonment of the subsea facilities including P10, P50 and P90 cost estimates and a detailed schedule for all phases of the campaign.

   
   

Goodwyn Alpha Drilling Module Removal (2014) 

Linch-pin developed removal options for the GWA drilling modules and providing cost and schedule information in order for WEL to make a considered decision on which option to proceed with.

   
   

BHPB Griffin Field Abandonment (2013) 

Linch-pin provided expert decommissioning consultancy services to develop concepts for the abandonment of the subsea facilities.

   
   

Jabiru Decommissioning (2012) 

Linch-pin provided management assistance for the decommissioning and abandonment of the Jabiru Filed locate din the Timor Sea.

   
   

Jabiru FPSO & RTM Relocation & Reuse (2012) 

Linch-pin was invited to assess the feasibility of relocating the FPSO Jabiru Venture and its associated mooring system to a new location within the Timor Sea.

   
   

Legendre Decommissioning (2010) 

Linch-pin was invited to assist Apache with the management of the concept select, define and execution stages of the decommissioning and abandonment of the Legendre Field.

   
   

Challis Decommissioning (2010) 

Linch-pin assisted PTTEP with the management of the decommissioning and abandonment of the Challis oil production facilities comprising FPSO permanently moored to a Single Anchor Leg Mooring (SALM).