SWIS Capping Stack System

Oil Spill Response Limited (OSRL) can provide members global access to an integrated intervention package comprising of four capping stack systems and two subsea incident response toolkits.

Key Facts

• Four capping systems, including 2x 18¾” 15k stacks and 2x 7¹⁄₁₆” 10k stacks (with ancillary equipment)• Transportable by sea and/or air • Available for a variety of international metocean conditions• Designed for subsea use to a maximum of 3000m water depth • Stored in four strategic locations – Brazil, Norway, Singapore and South Africa• Maintained by Trendsetter Engineering on behalf of OSRL• Adaptable to multiple wellhead, subsea tree and BOP connections

Key FeaturesStandardised Capping Platform

Outlets with Dual 5 1⁄8”15k Gate Valves

Retrievable Choke

ROV Panel

Lower Connector

Flow Line Connector

Acoustic Transponder

• Flexible to handle a variety of scenarios

• Retrievable chokes to help gain control of a flowing well

• 15k connectors, adapter and spacer spools

• Connects to BOP, flex joint, or wellhead

• 4 x 51⁄8” outlets on the diverter spool

• Diverter spool providing optimal flow path during installation and shut in

• Use of Spreader Bar to run the Capping device

• Acoustic real-time pressure and temperature data to surface

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TECHNICAL INFORMATION SHEET | SUBSEA WELL INTERVENTION SERVICES

The four capping stacks (both full bore and reduced bore) are designed into a standard configuration with common pipework, valves, chokes and spools all rated to 15kpsi. The key difference is the use of 7 1⁄16” 10k gate valves for the 10k stacks and 18¾“ 15k rams for the 15k stacks.

www.oilspillresponse.comEurope, Middle East and Africa T: +44 (0)23 8033 1551 F: +44 (0)23 8033 1972 E: southampton@oilspillresponse.comAsia Pacific T: +65 6266 1566 F: +65 6266 2312 E: singapore@oilspillresponse.comAmericas T: +1 832 431 3191 F: +1 832 431 3001 E: houston@oilspillresponse.com

TIS-CONTAINMENT-V2.0-1608 © 2017 Oil Spill Response Limited.

TECHNICAL INFORMATION SHEET | SUBSEA WELL INTERVENTION SERVICES

The 10k System

Outlets with Dual 5 1⁄8”15k Gate Valves

Dual 7 1⁄16” 10k Gate Valves

Lower Connector

Flow Line Connector

Retrievable Choke

7 1⁄16” 10k API Hub

Acoustic Transponder

ROV Panel

The 15k System

18¾” Dual 15k Rams

Lower Connector

Flow Line Connector

Retrievable Choke

H4 Mandrel

Acoustic Transponder

Outlets with Dual 5 1⁄8”15k Gate Valves

ROV Panel

Key Features

Design Pressure 10 kpsi / 15 kpsi

Design Life 20 years (storage), 6 months (flowing), 2 years (shut)

Water Depth Up to 3000m

Flow Rate 0 to 100 kbd of liquid

GOR 0 to 2000 scf/stb

Design Temp -2°C to 150°C (Operation) -20°C to 40°C (Storage)

CO2 0 to 10%

H2S 0 to 500 ppm

Water Cut Up to 30%

Injection Dispersant and Hydrate Inhibitor (150 L/min)

Outlets 4 outlets, each with dual 51⁄8” Gate Valves

Sealing Device 10k Stack: 2 x 7¹⁄16” Gate Valve (fail as is)/ 15k Stack: 2 x 18¾” Rams

Operation Third-Party ROV (manual and hydraulic)

Sensors Pressure and Temperature

Connectors H4 and HC 18¾” 15kpsi

Adapter spools H4 and HC 18¾” by 18¾” 15 kpsi API flange

Flow Control Retrievable Choke Valve on each outlet

Installation Method Drill Pipe and / or Wire Line

Transportability Air, Road and Sea

Material NACE MR-0175

Connectors Spacer Spools

HC Connector H4 Connector

H4 Weldneck

H4 - 18¾” API

HC - 18¾” API

Adapter Spools

3m 2m 1m

Lifting Eye

Accumulator Racks (40 Bottles x 15 Gallons)

H4 Test Stump

HC Test Stump

Test Stand

18¾” API 15k blind flange

Connector Parking Stands

The Ancillary Equipment

SWIS Capping Stack System