Shetland Gas Plant for Laggan-Tormore

Shetland Gas Plant: Process Offshore Gas with waxy Condensate

Client TOTAL Exploration & Production U.K.

Location Sullum Voe, Shetland, north of Scotland

Project Shetland Gas Plant, awarded 4 Oct 2010

Duration Engineering 4Q2010 through 1Q2012; Commissioning in 2014

Scope Treat 500MMSCFD of wet gas from subsea wells, to produce dry sales gas into the FUKA line to the mainland, plus unstabilised condensate to the adjacent Sullum Voe Terminal. Project scope was changed to add stand-alone power generation, stand-alone treated effluent outfall instead of using SVT facilities run by BP

Role Review scope & tasks for gaps in detail design or deliverables; review safety critical documents; give subject matter expertise

Tasks

Review TOTAL E&P's "Safety Critical Elements" for specific Performance Spec. functional objectives and requirements

Review onshore Environmental Statement to identify all Commitments impacting detail design and construction

Review Decisions Diary from Basic Engineering for any changes made during Consolidation Engineering, plus
any other environmental impacts from scope changes

Identified need to review effluent waste treatment to add tertiary treatment to ensure low COD target reached, also potentially equipment to treat emulsions & early sludges

Developed options for minimizing solid waste to landfill, including pigging wax to a "waste-to-energy" plant, the segregation of insoluble divalent precipitate from soluble NaCl/KCl with trace monoethylene glycol. Possible use of the salt for road de-icing: Fate & Effect lab tests needed

(More to be added as project proceeds. Last update 8 January 2011)

Client	TOTAL Exploration & Production U.K.
Location	Sullum Voe, Shetland, north of Scotland
Project	Shetland Gas Plant, awarded 4 Oct 2010
Duration	Engineering 4Q2010 through 1Q2012; Commissioning in 2014
Scope	Treat 500MMSCFD of wet gas from subsea wells, to produce dry sales gas into the FUKA line to the mainland, plus unstabilised condensate to the adjacent Sullum Voe Terminal. Project scope was changed to add stand-alone power generation, stand-alone treated effluent outfall instead of using SVT facilities run by BP
Role	Review scope & tasks for gaps in detail design or deliverables; review safety critical documents; give subject matter expertise
Tasks	Review TOTAL E&P's "Safety Critical Elements" for specific Performance Spec. functional objectives and requirements Review onshore Environmental Statement to identify all Commitments impacting detail design and construction Review Decisions Diary from Basic Engineering for any changes made during Consolidation Engineering, plus any other environmental impacts from scope changes Identified need to review effluent waste treatment to add tertiary treatment to ensure low COD target reached, also potentially equipment to treat emulsions & early sludges Developed options for minimizing solid waste to landfill, including pigging wax to a "waste-to-energy" plant, the segregation of insoluble divalent precipitate from soluble NaCl/KCl with trace monoethylene glycol. Possible use of the salt for road de-icing: Fate & Effect lab tests needed (More to be added as project proceeds. Last update 8 January 2011)