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SME Specific MeasuresEnergy, Environment and Sustainable Development

Exploratory Award

Proposal number EXAW-1999-01170

AcronymJETCUT

Proposal titleREMOTELY OPERATED CUTTING SYSTEM FOR SUBSEA OIL WELLS AND PILES

ON OFFSHORE PLATFORMS

AbstractOver 4000 offshore oil wells have been drilled so far in the development of Europe's

offshore oil and gas reserves. The bore of each well is lined with several steel tubes, called

"casing", inside each other. The gap between each casing is filled with cement, or drilling

fluids. These oil wells must eventually be removed to make the seabed safe for fishing. The

traditional method of doing this is to cut the casing with explosives several metres below

the seabed. This now presents problems because of the safety regulations for use of

explosives offshore. It can also disturb mounds of toxic materials on the seabed around the

oil well that were deposited during drilling. There are similar problems with cutting piles on

offshore platforms. Our project will overcome these problems by developing and testing a

new high pressure abrasive water jet cutting system for oil well removal. Until now this has

not been feasible for cutting oil wells because the gaps containing fluids prevent a single

cut through all the tubes. Our system will include a special nozzle for injecting gas into the

gaps permitting the cutting jet to cross gaps and continue the cut through several layers of

steel and cement.

Key ActionEESD-5.   Key action Cleaner Energy Systems, including Renewable Energies

Start date6/07/2000End date6/07/2001

Intended Step 2 projectCooperative Research (CRAFT)Duration Exploratory Phase5 months

SME CoordinatorMR DAVID DENTCompany sizeS3

CIRCLE TECHNICAL SERVICES LTD

15/16 WOODLANDS DRIVE

AB21 0GW - ABERDEEN

United Kingdom

Phone: 441224775222

Fax: 441224775333

Email: DDENT@CIRCLETECH.CO.UK

Internet: HTTP://WWW.CIRCLETECH.CO.UK

SME Proposer(s)

CM INGEGNERIA SRLItalyS3

Last update18/6/2001

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