Emergency Disconnect During Subsea Intervention - Global Underwater Hub

1y ago
15 Views
2 Downloads
1.50 MB
17 Pages
Last View : 2d ago
Last Download : 2m ago
Upload by : Jamie Paz
Transcription

Emergency Disconnect During Subsea Intervention Rory McGarry Product Development Manager

Webtool – Hydraulic Cutters & Systems High performance subsea and topside cutters and systems Cutting tool of choice for ROVs for over 30 years Webtool is designed and manufactured exclusively by Allspeeds Ltd in the UK.

Webtool – Guillotine Cutting Simple deployment Hydraulic operation ROV tools – Traditionally stainless steel or lightweight aluminum construction No depth limitation o o o o Steel wire rope Armoured electrical cables/EFL Hydraulic lines/hoses/HFL Softline (Dyneema, Spectra etc)

Subsea Intervention Type 1 (Class A) - Light (riserless) Intervention Type 2 (Class B) - Medium Intervention Type 3 (Class C) – Heavy Intervention Well and manifold installation Maintenance – scale squeeze – chemical injection Increasing demand for mature fields Image Ref – Skandi Santos s.aspx Image Ref - Subsea Well Intervention Vessel and Systems G.H.T. Zijderveld (SPE), J.J. Tiebout (SPE), S.M. Hendriks, L. Poldervaart (SPE), GustoMSC

Subsea Intervention - Issues Drift off/Drive off ROV response time Catastrophic damage to assets and environment High vessel costs against background of tighter budgets Image Ref – Online Post lation-vessel-in-the-north-sea.html

Emergency Disconnect - Challenges Cost of integration Complexity Mixed material bundles – – – – Steel tension member Fibre rope Reinforced hoses Electrical conductors Power source Actuation Single use application Image Ref – FMC via World Oil tion

Webtool – Overcome the Challenges Ultra reliable Suitable for long term deployment Easy integration/retrofittable into LMRP or FLDF Power source and control options Rapid cutting of multiple fluid transfer lines, electrical jumpers and tension wire Easily function tested Image Courtesy of AKOFS Offshore

Case Study – AKOFS Offshore AKOFS Subsea Equipment Orientation System (SOES) Webtool cutters integrated for quick disconnection of 10,000 PSI HFL and EFL at 3,000m Jumpers cut in a single operation in less than 10 seconds Image Courtesy of AKOFS Offshore

AKOFS SOES Image Courtesy of AKOFS Offshore

Case Study – Shah Deniz 2 Image Courtesy of HCS Control Systems Well intervention and workover for major operator in the Shah Deniz 2 field in the Caspian Sea Rapid cutting of umbilical multiple fluid transfer jumpers, electrical lines and steel wire tension member Webtool cutters hold sacrificial cable and hose bundles ready to cut

Images Courtesy of HCS Control Systems

Self Powered · Automatic · Subsea Resettable Automatic actuation No external power source Resettable in a simple ROV operation Blade and anvil reusable – no change needed Long term deployment

Emergency Disconnect - Topside Towing and tugging lines Portable equipment Self contained power source Image Ref – USA Today 59715/

Winch Release – The Rules Standard ISO7365:2012 (introduced in 1983), section 4.8.1

Integrated Emergency Disconnection Systems Proven technology readiness Easily integrated - Retrofittable to any system Simple and reliable operation Rapid cutting of mixed materials No need for an expensive ROV

Thanks for listening Come and visit us at Stand 62 Rory McGarry, Product Development Manager, Allspeeds Ltd (Webtool) Email: rory.mcgarry@allspeeds.co.uk www.allspeeds.co.uk

Subsea Intervention Type 1 (Class A) - Light (riserless) Intervention Type 2 (Class B) - Medium Intervention Type 3 (Class C) -Heavy Intervention Well and manifold installation Maintenance -scale squeeze -chemical injection Increasing demand for mature fields Image Ref - Subsea Well Intervention Vessel and Systems

Related Documents:

subsea well. More particularly, embodiments of the invention relate to methods and apparatus for Subsea well intervention operations, including retrieval of a wellhead from a Subsea well. 2. Description of the Related Art After the production of a subsea well is finished, the subsea well is closed and abandoned. The Subsea well closing pro

This is followed by considering well intervention and monitoring for subsea systems. Results of the investigation of factors effecting ultimate recovery for subsea wells are then outlined. To conclude, the major findings of this study are listed. Subsea Processing . Subsea processing holds the potential to off-load fluid equipment to the seafloor.

Subsea Well Population and P&A Market 2015 - 2024 596 subsea wells (UK) 14 bn GBP 15 subsea wells (NCS) Campos Basin 177 subsea P&A 900 1000 1800 Idle iron initiative 900 . The use of light well intervention vessels versus drilling rigs has many pros and cons. Large operators tend to use a full service

Castrol Transaqua range -Aqueous media for Subsea Production Control & Subsea Processing applications Castrol Brayco Micronic range -Synthetic hydrocarbon media for Subsea Production Control & Subsea Processing applications Castrol Bio range -Castrol Biobar environmentally acceptable hydraulic fluids

Subsea Well Intervention Riserless Intervention Systems This type of intervention unit contains a well control package (WCP), wireline lubricator (LUB) and pressure control head (PCH) located on top the subsea tree/wellhead (XT). The WCP is a system of valves/rams utilized for well control purposes.

API 17G Design and Manufacture of Subsea Well Intervention Equipment 3rd Edition-Update Mike Byrd, Byrd Energy Services Using Wild Well's "Deep Range" Tool for Annular Isolation Joe Savoy, Wild Well Control, Inc. Session 02: Subsea Well Intervention Case Studies in the Gulf of Mexico 1320-1500

deepwater well intervention system offers a means to safely connect in a 6-3/8 inch borehole, from a vessel or rig on the water's surface, to subsea wells up to 15,000 psi in water as deep as 10,000 feet (3,000 m). Trident-OVS 15K Light Well Intervention System Subsea Systems Trident-OVS Light Well Intervention System 3 BOOST PRODUCTION

Marion Fanny Harris b: Coimbatore, India d: 26 July 1946 m: 4 November 1891 Eleanor Maud Gurney b: 1871 d: 1916 David Sutherland Michell b: 22 July 1865 Cohinoor, Madras, India d: 14 May 1957 Kamloops, British Columbia, Canada Charlotte Griffiths Hunter b: 1857 d: 1946 m: 6 August 1917 Winnipeg, Canada Dorothy Mary Michell b: 1892 Cont. p. 10 Humphrey George Berkeley Michell b: 1 October 1894 .