the new generation pipeline surveys - nosp
TRANSCRIPT
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The new generation pipeline surveys
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MMT
Founded in 1976
Offices in Gothenburg, Sweden
& Banbury, UK
250 + staff
7 Survey & ROV vessels
Reach Subsea AS Founded 2008 Office in Haugesund 65 + staff 6 WROVs 4 DP2 vessels
MMT and Reach COOPERATION SINCE 2013
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Survey Services Oil & Gas
Route Surveys
Pre and Post lay surveys
Pipeline inspections
Site surveys
UXO Surveys
“OUR SERVICES AND RESOURCES ARE
EXTENSIVE. WE DELIVER COST
EFFICIENT AND SAFE SOLUTIONS”
We presently are contracted by
STATOIL, DONG, NordStream,
ExxonMobil, Lundin Oil, Nexans,
Statnett, Prysmian and EMAS.
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EDDA FONN
• 3 year charter from Østensjø, from december 2014.
• Well-known in the market and by ourselves.
• 100 Te Crane
• 1 Kystdesign WROV system in hangar
• Accomodation for 66 persons
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Pipeline survey today
ROV based
Information collected:
• Centre video
• Port and Starboard video
• Multibeam bathymetry
• Side Scan
• Depth of Burial tools
• Cathodic protection measuring device
• And so on............
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Production
0
18
35
53
70
88
1975 1985 1995 2005 2015
Km/day
1975 1985 1995 2005 2015
NOK / day
1975 1985 1995 2005 2015
NOK/Km
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The record hasn’t always been straight
Nord Stream Trench Data
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Design criteria
Weight 4200 kg
Power 4 000 V
Propulsion 225 Hp
Dimension 5m x 2.5m x 0.8m
(3.6 w with wings)
Payload 700 kg
Speed 8 knots
Operative depth 10-2000 m
Multibeam Kongsberg 2040 Quad
Integrated Video & Photo Cathx Ocean
Laser bathymetry Cathx Ocean
3D imagery
Stereo Imagery
Cutting edge positioning systems. Sonardyne iUSBL
Full redundancy INS IxBlue ROVINS & Sonardyne Sprint
DVL
SSS & SBP Edgetech
Navigation & Reporting Eiva NaviPac
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Pipe coverage Kongsberg EM 2040 Quadro multibeam In
fixed mounting ensures ultra high resolution
multibeam out to 40 m coverage at 5 m
height.
2 Laser systems tilted inwards ensures
extreme resolution and coverage of the
immediate pipeline and 2 m to each side.
In combination the modeling will be far
better than anything on the market today at
a much higher speed.
48” pipe 5 m above
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Superior Images
Superior Data
Best Positioning
Ovality mapping
Automated feature
detetction
More than double speed
Substantially reduced cost
Better asset management
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K Y S T D E S I G N ASStrandgaten 202, 5525 Haugesund, NORWAY
Tel: +47 52 70 62 50
Fax: +47 52 70 62 01
www.kystdesign.no
Scale
SURVEYOR
A 16.07.14 ISSUED FOR COMMENTS AHO EKB EKB
Rev. Date Description Prep Chk App
SURVEYORGA-
1
AE95-1000M10 1
Itm. Qty. Description Drg. / Spec. Material
1:25SCALE
5582
134
0
2000
3640
12
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Surveyor Interceptor SROV
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Stills 4.2 knots 4.3 m altitude
Test Area
Europipe 2
Dec 2014
Jan 2015
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Laser bathymetry
Cathx Ocean 4 kn 7.4 km/h 2 m altitude
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Multibeam bathymetry
Kongsberg EM2040 Q 6 kn 5 m alt
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Gridded Multibeam bathymetry
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MBES EM 2040
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Mars shipwreck
1564 Baltic Sea
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Mars shipwreck
1564 Baltic Sea
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2 cm grid
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MBES EM 2040 Images draped on Laser bathymetry
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3d Photo
4.8 kn 5.2m alt
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MBES EM 2040 2 cm resolution
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Eventing and profiling
EIVA Navimodel C5P
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Geophysics Edgetech 600-1600 kHz 2205 (DF MP 600)
4.2 kn 5 m alt
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Sub bottom profiling Edgetech DW 106 1-10 kHz 4.2 kn 5 m alt
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Photo cropped Cathx Ocean M12-A1000 5kn 5m alt
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Pipeline Inspection Video For comparison
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Still Image 5 m above pipe 4.2 kn
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Photo Mosaic Draped on 3d model 4.8 kn 5.2 m alt
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Pipe line survey data
Results from trials in January 2015.
Tests:
Accuracy, Efficiency, Quality, Comparison to previous work.
Why SROV instead of AUV? Operation, Robustness, Data flow, Power
Results More than 50% time saving operation
75% time saving post processing
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Speed - Production • Top speed Over 8 knots 10 kn possible over 14.8 km/h 14816 m/h
• 1m above pipe 2-4 knots 3.7 – 7.4 km/h 3700-7400 m/h
• 4m above pipe 4-6 knots 7.4 – 11.1 km/h 7408 -11 112 m/h
• 10 m above seafloor 6-7 knots 11.1 – 12.964 km/h 11 112 – 12 964 m/h
• Service interval 100 h / 500 h
• Weather sensitivity 4 m Hs
• Speed reduction Dramatic topography
Depth over 900 m
• Production over time Modestly 200 km/day
• SROV – ROV Faster, more stable, better resolution
• SROV – AUV Faster, power, dataflow, handling
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To conclude • Survey speed 2-7 knots
• Stability High
• Positioning Very Accurate
• Cable drag Managable to 1000 m depth
• Bathymetry 99.6% accepted points
• Still Photography Hi res accurate GIS perspective
• Laser Extreme resolution
• Geophysics Crispy
• Fit for purpose Yes
Ongoing • Multibeam Dual ping, Pipe track
• Laser Graphical User Interface development
• Laser Post processing integration (point cloud data)
• Photo Process bottleneck streamlining
• iUSBL Calibration ??
• Propellers Higher pitch
Launch & Recovery
R&D Cathodic protection Measuring
Multibeam SBP
Pipe Tracking
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Knarr Pipeline Survey
• First commercial survey undertaken in March 2015
• 106 km Knarr Pipeline for Gassco
• 140 – 400 m of water
• Surveyed in 17 hours
• Average survey speed 3.33 knots
• ROV operated at 4.5 knots survey speed
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Knarr Pipeline Survey - Results
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Knarr Pipeline Survey - Results
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Knarr Pipeline Survey - Results
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Thank you! Questions?
Thomas Mennerdahl
+46 707505410
MMT Head Office:
MMT Sweden AB
Sven Källfelts Gata 11
SE-426 71 Västra Frölunda, Sweden
Phone: +46 (0)31 762 03 00
Reach Subsea AS Office
Haraldsgata 190
Haugesund
www.Reachsubsea.no
MMT UK office:
2A Banbury Office Village, Noral Way
Banbury, Oxon, OX16 2SB, UK
Phone: +44 1295 817 740
MMT e-mail: [email protected]
Reachsubsea.no
Mmt.se