RWE npower renewables Offshore Energy Supply chain ... - Regensw

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RWE npower renewables Offshore Energy Supply chain event 5 December 2012

Innovation and Co-operation

James McGovan – Manger Renewables & Special Projects.

• Cornish marine foundation contractor with UK ownership

• 5 years old, established track record in oil & gas sector • Broke into renewables by securing major wind farm project • Building on successful delivery of that project with further partnerships and innovations.

LDD - 4 key points

…from subsea to surface

PROJECT REVIEWS

GWYNT Y MOR OFFSHORE WIND FARM

PROJECT REVIEWS

LD5000 OFFSHORE WIND FARM FOUNDATIONS

c. 150 tonnes weight. 500t pull back. 50t thrust. 110 t/m continuous torque. c. 750,000 lbs./ft. 0 to 7 rpm

LD5000 drill rig

HPU’s 2 No. 1,000 l/min @ 250 bar operating. 450KW (50Hz) Parallel pressure control philosophy shared across 5 pumps per HPU. 66% redundancy Electro-hydraulic controlled via PC. Manual over ride. Full integrated safety control system & recording

LD5000 OFFSHORE WIND FARM FOUNDATIONS

Drill Bit 4.3m drill bit. 6.0m under-reamer Variable diameter 33 cutters to 4.3m 57 cutters to 6.0m Hydraulic activation. Composite design

LD5000 OFFSHORE WIND FARM FOUNDATIONS

Drill string

c. 175t Bit drive flange 2m dia.

BHA 6m x 1.5m flange Drill pipe 4.5m x 1m flange 6t Expanding BHA stabiliser

LD5000 OFFSHORE WIND FARM FOUNDATIONS

RWE Contract Variations – GyM OWF

Deck Layout Evaluation / Optimisation • LD5000 / Conductor / BHA Stack on TP Grillage • Re-engineering Conductor Casing • Container Stacking and access ways Water Pump Deployment Frame – Improved Operability Deck Crews: Supply per Shift: 1 x Deck Supervisor 5 x Riggers 1 x Welder fabricator 2 x Drillers / Deck Crew

GyM OFFSHORE WIND FARM FOUNDATIONS

LD5000 Gwynt y Mor December 2012

Under-reamed 66” socket drilling below 60” piles Development of installation methodology including driveability analysis Design and supply of cantilevered drill rig support frame for open string drilling. Includes plan position adjustment +/- 1.5m from centre Full drill string riser analysis and development of environmental loading limitations envelope Supply and operation of MHU500T sub-sea hammer. Supply and operation of 54” pinned lift tool for sub-sea pile deployment.

drill bit 60” reamer

BLYTH MET MAST

LIFTING AND HANDLING TOOLS & SYSTEMS

Pile Upending Tool (PUT) Lifting Flanged Mono-piles.

Pre piling frame. OWF jackets. 36m diameter pile spacing. 450t. Internal Lift Tool 30” – 96” ILTs 500 Tonne WLL Tri-lift tool (TLT) Transition piece lifting. OWF

LIFTING AND HANDLING TOOLS & SYSTEMS

ATLANTIC ARRAY • Delivery of Gwynt y Mor Project • Develop foundation installation offering

into an integrated package • Early involvement with RWE – Atlantic Array Team • Exploration of further strategic partnerships – SW Companies? ATLANTIC ARRAY

We understand the problem We engineer the solution We deliver the service THANK YOU FOR LISTENING