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Disc Stack CentrifugesDisc Stack Centrifuges for Produced Water Treatment ApplicationsJune 2014

Alfa Laval Tumba SwedenAlfa Laval Tumba, SwedenBusiness Centre High Speed Separators

Joakim JohanssonJoakim Johansson

AgendaAgenda

• Separation theory with disc stack centrifuge

• Produced water processProduced water process

• Produced water products

www.alfalaval.com© Alfa Laval Slide 3

AgendaAgenda





Improving separation efficiency

Redesigning the vesselRedesigning the vessel

1Separation by density difference

32

1g

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Slide 5

Improving separation efficiency

From gravitational to centrifugal forceFrom gravitational to centrifugal forceCentrifugal separation

l ith di t kvessel with disc-stack

>5000 g

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Slide 6

www.alfalaval.comSlide 7

A high-efficiency solutionA high efficiency solutionEquivalent settling area of disc-stack centrifuges

up to 400 000m2 (55 football fields)www.alfalaval.com© Alfa Laval Slide 8

Performance comparisonpDifferent solutions

DISC-STACK CENTRIFUGESDISC STACK CENTRIFUGES

HYDROCYCLONES

FLOTATION CELLS

Droplet size, µm100 80 60 40 20 10 5 2

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AgendaAgenda





Well proven, dependable technologygy


Alfa Laval Order Reference ListAlfa Laval Order Reference List Produced water, drain water, slop water

Year Project End user Qty Equipment Location Applicationj Q y q p pp1989 Oseberg C Hydro 2 OFPX 517 Norway Drain water

1990 Brage Hydro 2 OFPX 517 Norway Drain water

1991 Heidrun Statoil 2 OFPX 517 Norway Drain water

1991 T E t M k 2 OFPX 517 D k P d d t1991 Tyra East Maersk 2 OFPX 517 Denmark Produced water

1991 Tyra West Maersk 2 OFPX 517 Denmark Produced water

1992 Troll Phase 1 Statoil 2 OFPX 413 Norway Produced water

1992 Troll Phase 1 Statoil 2 OFPX 517 Norway Drain water


1993 Sleipner West Statoil 2 OFPX 517 Norway

1994 K-7 NAM 1 OFPX 413 Netherlands

1994 Troll Land Statoil 2 OFPX 413 Norway1994 Troll Land Statoil 2 OFPX 413 Norway

1994 Tyra East Maersk 1 OFPX 717 Denmark Produced water

1994 L-13 NAM 1 OFPX 413 Netherlands

1995 Ekofisk Phillips 2 OFPX 717 Norway Drain water, produced water


1997 Varg Petrojarl 2 OFPX 517

1997 Lufeng FPSO Bluewater 1 OFPX 510 China Slop water

1998 Åsgard B Statoil 3 OFPX 517 Norway Drain water, produced water


g y , p

Alfa Laval Order Reference ListAlfa Laval Order Reference List Produced water, drain water, slop water

Year Project End user Qty Equipment Location Applicationj y q p pp1998 Kollsnes Statoil 2 OFPX 413 Norway1998 Beryl Alpha Mobil 3 OFPX 717 UK Produced water1998 Xijiang 30-2 Phillips/CNOOC 1 OFPX 413 China1999 North Rankin A Woodside 1 OFPX 517 Australia Produced water1999 North Rankin A Woodside 1 OFPX 517 Australia Produced water2008 North Rankin A Woodside 1 OFPX 517 Australia Produced water2009 SAR SAR 1 OFSX 610 Norway2009 USAN FPSO Total 2 OFPX 517 Nigeria Slop water2010 Astrakhan Gazprom 3 OFPX 413 Russia Produced water2010 Astrakhan Gazprom 3 OFPX 413 Russia Produced water2010 OSX-1 FPSO OSX 1 OFPX 413 Brazil Slop water2010 SAR SAR Corre 1 OFSX 610 Kuwait2010 SAR SAR 1 OFSX 610 Norway2011 Knarr FPSO Teekay 2 OFPX 413 Norway Slop water2012 Hebron ExxonMobil 2 OFPX 413 Canada Slop water2012 Daqing Daqing Oilfield 1 OF 700 China Produced water2013 Piranema FPSO Teekay Sevan 2 OFPX 413 Brazil Slop water2013 Aasta Hansteen Statoil 2 OFPX 413 Norway Drain water2013 Aasta Hansteen Statoil 2 OFPX 413 Norway Produced water2013 Heimdal Statoil 2 OF 500 Norway Produced water2013 Martin Linge Total 1 OFPX 413 UK Drain water


Disc stack centrifuge designsDisc stack centrifuge designsTraces of solids Low solids content High solids contentg

Solids-retaining Solids-ejecting, Solids-dischargingManual removal of solids

j g,automatic Intermittent solids discharge

Continuous solids discharge


g

Produced water processp


Produced water processp

Off spec. water

S iPD-pump

Untreated feed

Treated waterStrainerPD pump

Treated oilOperating water Instr ment airInstrument air

Sludge

Sludgepump

Sludge tank


Typical systemTypical system Produced water – intermittent discharge

• Dual Basket strainerDual Basket strainer• X pcs Centrifuge• Valves & Instruments• Valves & Instruments• Sludge handling system

– Sludge tank– Sludge tank– Sludge pump

• CIP systemCIP system– CIP tank– CIP pump– Valves

• Local control systemwww.alfalaval.com© Alfa Laval Slide 17

AgendaAgenda





Disc stack centrifuge range

L

Nominal max particle size 0,5 mmDisc stack centrifuge range

LCHPX 404 15 l/hr solids

PureBilge 60 l/hr solids

Intermittent solids

discharge OFPX413

CHPX 810

350 l/hr solids

240 l/hr solids

OF 500 500 l/hr solids

OF 700 500 l/hr solids

Continuoussolids

DischargeOFX 20

OFX 5

Nozzle centrifuge

2 m3/hr solids

6 m3/hr solids

1 10 100 1000

OFX 40 8 m3/h solids


1 10 100 1000

max. capacity (m3/h)

PX-series product familyp yIntermittent discharging centrifuges

OFPX 413 OF 500 OF 700OFPX 413 OF 500 OF 700

25 3/h ( ) 50 3/h ( ) 70 3/h ( )25 m3/h (max.) 50 m3/h (max.) 70 m3/h (max.)

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OFX-series product familyp yContinuous solids Discharge

OFX5 OFX20 OFX40OFX5 OFX20 OFX40

15 3/h ( ) 170 3/h ( ) 300 3/h ( )15 m3/h (max.)6 tons4.5 x 2.2 x 3.5 m

170 m3/h (max.)8 tons3.5 x 3.2 x 2.7 m

300 m3/h (max.)12 tons4.5 x 3.5 x 4.2 m

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Oil & Gas test unitsFor performance demonstration

OFPX 413OFPX 413• Capacity 5 to 25 m3/h• For ATEX zone 1 or 2

OFX5• Capacity 5 to 15 m3/h• For Ex zone 1 or 2

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