2nd OSRL capping system delivered to Singapore base

Posted on 26 June 2013

All four of OSRL’s capping stacks are designed into a standard configuration, with common pipework, valves, chokes and spools all rated to 15kpsi. The common framework gives greater flexibility by using interchangeable gate valves and rams.

All four of OSRL’s capping stacks are designed into a standard configuration, with common pipework, valves, chokes and spools all rated to 15kpsi. The common framework gives greater flexibility by using interchangeable gate valves and rams.

By Astrid Wynne, contributing editor

Oil Spill Response Ltd (OSRL) unveiled the Subsea Well Intervention Service (SWIS) at its new facility in Singapore on 13 June. It is the second of four OSRL systems to be delivered this year, following the delivery of the first capping system in Norway in March. A third system is expected in South Africa in the next few weeks and a fourth in Brazil by Q4. “Each of the centers was chosen because of their strategic location in relation to the major drilling regions. This one covers Asia Pacific,” said Robert Limb, OSRL chief executive officer. The location of the facility in Singapore’s Loyang area was selected for its proximity to the deepwater harbor and to Seletar airport, where a dedicated aircraft that can be used for aerial dispersant is on permanent standby.

A capping stack toolbox and a subsea dispersant hardware toolbox are the main components of the SWIS. Both were developed by the Subsea Well Response Project (SWRP), a consortium of experts from nine oil and gas companies that worked to improve the industry’s subsea well control incident intervention capabilities outside of the US Gulf of Mexico. Houston-based Trendsetter Engineering  was selected to manufacture the four capping systems, which were designed to be adaptable to a range of well and metocean conditions. The 7 1/16-in. stack in Singapore is currently set up in a 10,000-psi configuraton but can become a 15,000-psi stack by changing out a central gate valve system with the dual-ram system.

“The connectors are similar to those in use in the US GOM in that they are provided with H4 and HC connectors, but we needed our system to be modular to accommodate the different well scenarios,” Keith Lewis, project manager for SWRP, said. “The rams were included to deal with gas volume and expansion, and the 7-in. gate valves offer lower weight and faster closing time, providing benefits for oil wells with a lower gas/oil ratio.”

Debris-clearing equipment, including tools for cutting, grappling and dragging, make up part of OSRL's subsea dispersant hardware kits.

Debris-clearing equipment, including tools for cutting, grappling and dragging, make up part of OSRL’s subsea dispersant hardware kits.

Singapore is also a strategic location for storage of the subsea dispersant hardware kits. Manufactured by Oceaneering, the kits are designed for the subsea application of dispersant if the rig fails to close off the BOP. They include tools for site surveys, such as 2D and 3D sonar debris-clearing equipment with cutting, grappling and dragging tools, flying leads, distribution manifold and dispersant wands to inject dispersant at multiple locations, and high-pressure, high-volume accumulators for closing the existing BOP.

The new SWIS forms part of the permanent “Tier 3” preparedness and response capability of OSRL, a not-for-profit industry-owned cooperative with 18 deepwater capping members worldwide. The tiered approach integrates the contingency plans of the operator, government agencies and other stakeholders to ensure sufficient capabilities are in place. “Tier 3 is global response “big guns.” Tier 2 is regional or occasionally for a specific oilfield/installation, and Tier 1 is equipment at or very close to the location of the activity,” Mr Limb said.

In addition to the capping stack and a subsea dispersant hardware, OSRL’s Singapore facility has a Hercules aircraft on standby 24/7 at Selatar Airport, sea access for its two 20-meter catamarans and other specialized response equipment. The center employ two incident managers and 28 spill response specialists, all full-time, with additional response backup by 53 technical staff trained in oilfield response.

Click here to read more about BP’s well capping package.

Leave a Reply

*

FEATURED MICROSITES


Recent Drilling News

  • 24 October 2014

    GDF SUEZ, BP discover new Central North Sea Field

    “This is an encouraging exploration discovery in a part of the Central North Sea that needs additional volumes of hydrocarbons to open up development options…

  • 24 October 2014

    Chevron, BP discover oil in deepwater US Gulf of Mexico

    The discovery well, on Keathley Canyon Block 10, was drilled by operator Chevron on behalf of the Guadalupe co-owners. The well encountered significant oil pay…

  • 22 October 2014

    Shell discovers gas in pre-salt reservoir offshore Gabon

    Shell announced a frontier exploration discovery offshore Gabon, West Africa. The well Leopard-1 encountered a substantial gas column with around 200 m net gas pay…

  • 22 October 2014

    Statoil proves new oil resources near Grane field in North Sea

    Well 25/8-18 S, drilled by the rig Transocean Leader, proved an oil column of 25 m in the Heimdal Formation. The estimated volume of the discovery…

  • 21 October 2014

    IADC Cybersecurity Task Group to provide industry guidance to assess risks

    The oil and gas industry is not immune to cybersecurity threats, from computer viruses and malware to targeted attacks. The IADC Advanced Rig Technology (ART) Committee…

  • Read more news