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Alderley Application Notes Crude Oil Metering Project Name: Dunlin Alpha Export Oil Metering Upgrade Location: Dunlin Alpha, northern North Sea, approx. 195km north east of Shetland EPC Contractor/Consultants: Amec End User: Fairfield Energy (UK) Ltd. Scope of Application The scope of supply includes a replacement crude oil metering package consisting of 3 x 50% metering streams and master metering stream. Each stream is constructed from 4” LTCS 600# RF pipework and includes manual and Rotork actuated Oliver Twinsafe valves, ZaVeRo ball valves, MTM globe valves, a 3” 900# RF Emerson MicroMotion type CMF300M coriolis meter, Emerson pressure and temperature transmitters and a Leeds butterfly flow-balancing valve. The package is not skid mounted due to very limited offshore access, instead the equipment is suspended from the overhead steels above a raised mezzanine area. The package also includes a 1600 x 600 x 2000mm control system with 4 x Emerson Floboss S600+ flow computers. Dunlin Alpha Technical excellence: delivered During commissioning Before upgrade

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Page 1: Alderley Alderley - Alderley | Metering, Controls and ... · Alderley Alderley Application Notes Crude Oil Metering Project Name: Dunlin Alpha Export Oil Metering Upgrade Location:

Alderley AlderleyApplication Notes

Crude Oil Metering

Project Name: Dunlin Alpha Export Oil Metering Upgrade

Location: Dunlin Alpha, northern North Sea, approx. 195km north east of Shetland

EPC Contractor/Consultants: Amec

End User: Fairfield Energy (UK) Ltd.

Scope of Application

The scope of supply includes a replacement crude oil metering package consisting of 3 x 50% metering streams and master metering stream. Each stream is constructed from 4” LTCS 600# RF pipework and includes manual and Rotork actuated Oliver Twinsafe valves, ZaVeRo ball valves, MTM globe valves, a 3” 900# RF Emerson MicroMotion type CMF300M coriolis meter, Emerson pressure and temperature transmitters and a Leeds butterfly flow-balancing valve.

The package is not skid mounted due to very limited offshore access, instead the equipment is suspended from the overhead steels above a raised mezzanine area. The package also includes a 1600 x 600 x 2000mm control system with 4 x Emerson Floboss S600+ flow computers.

Dunlin Alpha

Technical excellence: delivered

During commissioning Before upgrade

Page 2: Alderley Alderley - Alderley | Metering, Controls and ... · Alderley Alderley Application Notes Crude Oil Metering Project Name: Dunlin Alpha Export Oil Metering Upgrade Location:

Alderley Alderley

www.alderley.comRev. 1

Applicable Standards

DECC Guidance Notes for Petroleum Measurement, Issue 8

ISO 10790: Measurement of fluid flow in closed conduits - Guidance to the selection, installation and use of coriolis meters

ATEX 94/9/EC: Equipment in Flammable Environments

EMC 2004/108/EC: Electromagnetic Compatibility

LVD 2006/95/EC: Low Voltage Directive

MD 2006/42/EC: Machinery Directive

CE 93/68/EC: CE Marking

SI 1999:2001 (formerly PED 97/23/EC): Pressure Containment

Main Equipment

• Offshore laser scan survey

• 3” ANSI 900# RF Emerson MicroMotion type CMF300M coriolis meters

• 4” ANSI 600# RF double block and bleed with flanged bleed connections c/w Rotork IQT 1000 actuators

• 4” ANSI 600# RF double block and bleed with flanged bleed connections

• ½” ANSI 600# RF x ½” NPTF double block and bleeds

• 2” ANSI 600# RF x ½” NPTF double block and bleeds

• 2” ANSI 600# RF globe valve, straight pattern

• ¾” ANSI 600# RF ball valve

• 1” ANSI 600# RF ball valve

• Emerson 3144P temperature transmitters 4-20mA output, 4 wire PRT, HART + SMART

• Emerson 3051S pressure transmitters, 4-20mA output SMART + HART

• WIKA pressure gauges, 100 dia. glycerine filled, rear blow-out protection

• Control system 1600 x 600 x 2000mm c/w 4 Emerson Floboss S600+ flow computers

• Supervisory computer and associated software

• Offshore commissioning