shallow water pipeline - ca state lands commission...2010/09/20 · shallow water pipeline removal...
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Shallow Water Pipeline Removal Process
Shallow Water Pipeline Removal ProcessRemoval Process
B M h d
Removal Process
B M h dBay MarchandGulf of MexicoBay MarchandGulf of Mexico
Prepared by: Ted RochePrepared by: Ted Roche
Date: 9/20/2010Date: 9/20/2010
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Diver Emergency DrillDiver Emergency DrillDiver Emergency DrillDiver Emergency Drill
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Gulf of Mexico Pipeline System (F d l W t )
Gulf of Mexico Pipeline System (F d l W t )(Federal Waters)(Federal Waters)
Bay Marchand
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Bay Marchand FieldBay Marchand Field
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Pipeline Removal PhasesPipeline Removal PhasesPipeline Removal PhasesPipeline Removal Phases
Pipeline Abandonment Plan & PermittingPermitting
Diver Hands on survey
Pipe Prep
Pipe Pulling
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Geodetic Survey Mapping of seabed d i l i di t t
Geodetic Survey Mapping of seabed d i l i di t tused in planning diver survey strategyused in planning diver survey strategy
Date 7
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Diver Hands On SurveyDiver Hands On Survey
Date GIL 3 PowerPoint Template
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“Diver Live Boating” & “Hands On S ”
“Diver Live Boating” & “Hands On S ”Surveys”Surveys”
Date GIL 3 PowerPoint Template
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Track Link Sending Unit Attached to Diver Emergency Bail Out
Track Link Sending Unit Attached to Diver Emergency Bail Out
Bottle Bottle
Date 10
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Track Link Receiving UnitTrack Link Receiving Unitgg
Date 11
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Diver Entering Water With Down LineDiver Entering Water With Down LineDiver Entering Water With Down Line Diver Entering Water With Down Line
Date GIL 3 PowerPoint Template
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Diver recovery on Starboard Mid-ShipDiver recovery on Starboard Mid-ShipDiver recovery on Starboard Mid Ship Diver recovery on Starboard Mid Ship
Date 13
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P i Pi li S ti FP i Pi li S ti FPreparing Pipeline Sections For Removal
Preparing Pipeline Sections For Removal
Slice & Dice”Slice & Dice”
Date GIL 3 PowerPoint Template
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“Slice & Dice Plan” W/ SJA established f S 371 3
“Slice & Dice Plan” W/ SJA established f S 371 3for Seg 371 - 3for Seg 371 - 3
Date 15
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Lift Boats Preparing P/L Sections For Flushing and Removal
Lift Boats Preparing P/L Sections For Flushing and RemovalFlushing and Removal Flushing and Removal
Date 16
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Pipeline cutting under containment dome
Pipeline cutting under containment domedome dome
Date 17
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Sealed pipelines hot tapped for entry Sealed pipelines hot tapped for entry
Date 18
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Pipeline Cut with Guillotine SawPipeline Cut with Guillotine Saw
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Plumbers Plug W/Wing NutPlumbers Plug W/Wing Nut
Date 20
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Pneumatic Plug W/Plug Dog (PPWPD)Pneumatic Plug W/Plug Dog (PPWPD)Pneumatic Plug W/Plug Dog (PPWPD)Pneumatic Plug W/Plug Dog (PPWPD)
Date 21
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Modified New Pipe Plug along side T-grip with Plug dog
Modified New Pipe Plug along side T-grip with Plug dog
Date 22
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Pipe Caps used to hold nut type plugs in place
Pipe Caps used to hold nut type plugs in place
Date 23
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Riser RemovalRiser Removal
Date 24
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Sharp bends are cut out of pipe section ends
Sharp bends are cut out of pipe section ends
Date 25
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Valves etc. on pipeline pick up ends are permissible
Valves etc. on pipeline pick up ends are permissible
Date 26
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Short spans of pipe sections recovered by Slice & Dice Prep Vessel
Short spans of pipe sections recovered by Slice & Dice Prep Vesselby Slice & Dice Prep Vessel by Slice & Dice Prep Vessel
Date 27
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PIPELINE REMOVAL PROCESSPIPELINE REMOVAL PROCESS
Date GIL 3 PowerPoint Template
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Pulling Vessel: L/B EaglePulling Vessel: L/B Eagle
Date 29
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Pac Man II Pipe Recovery & Containment Unit Bow to Stern
Pac Man II Pipe Recovery & Containment Unit Bow to Stern
View View
Date 30
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40,000# Pulling Winch 40,000# Pulling Winch
Date 31
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Portable Hydraulic System Station Portable Hydraulic System Station
Date 32
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“Pac Man II” Overhead View Stern to Bow
“Pac Man II” Overhead View Stern to Bow
Date 33
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Bow End Adjustable Hydraulic Stinger Bow End Adjustable Hydraulic Stinger
Date 34
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Safety Slips Rigged for Diver Installation
Safety Slips Rigged for Diver InstallationInstallation Installation
Date 35
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“Slammer Clamp” Rigged for Diver “Slammer Clamp” Rigged for Diver
Date 36
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Diver Being Briefed and Dressed for Pipe Recovery
Diver Being Briefed and Dressed for Pipe RecoveryPipe RecoveryPipe Recovery
Date 37
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Diver Lowered to Seabed From StageDiver Lowered to Seabed From Stage
Date 38
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Attaching Crane Line To Pipe End and Safety Slips With Winch to Pipe End
Attaching Crane Line To Pipe End and Safety Slips With Winch to Pipe End
Date 39
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Diver Up and Standing Clear to Assist Diver Up and Standing Clear to Assist
Date 40
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Pipe End Lifted to SurfacePipe End Lifted to Surface
Date 41
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Pipe End Being Drug Into Stinger Pipe End Being Drug Into Stinger
Date 42
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Pipe End Pulled Over Trough Pipe End Pulled Over Trough
Date 43
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Pipe Dogged Down Pull Tension Relaxed
Pipe Dogged Down Pull Tension RelaxedRelaxed Relaxed
Date 44
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“Frog Cutter” Being Attached For Pipe Severing
“Frog Cutter” Being Attached For Pipe SeveringSevering Severing
Date 45
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Making Cut With “Frog Cutter” Trough Catching Fluid
Making Cut With “Frog Cutter” Trough Catching FluidCatching Fluid Catching Fluid
Date 46
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Pipe Cut and Released From “Frog Cutter”
Pipe Cut and Released From “Frog Cutter”Cutter Cutter
Date 47
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100% Norm Survey Performed100% Norm Survey Performed
Date 48
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30’ Pipe Joint Being Loaded Into “Bundle Rack”
30’ Pipe Joint Being Loaded Into “Bundle Rack”Bundle Rack Bundle Rack
Date 49
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Adjusting Severed Pipe Joint Into Bundle Rack
Adjusting Severed Pipe Joint Into Bundle Rack
Date 50
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Coupons From Frog Cut and Coatings Captured in Trough
Coupons From Frog Cut and Coatings Captured in TroughCaptured in TroughCaptured in Trough
Date 51
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All Captured Pipeline Fluids Are Transported to Shore for Disposal All Captured Pipeline Fluids Are
Transported to Shore for Disposal p pp p
Date 52
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Recovered solids are transported to shore for disposal in 15 bbl
tti b
Recovered solids are transported to shore for disposal in 15 bbl
tti bcutting boxes cutting boxes
Date 53
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Pull rigging and cable being attached for next pull
Pull rigging and cable being attached for next pull
Date 54
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Tension applied to pipe to confirm connection Chain is certified
t t d S t 10
Tension applied to pipe to confirm connection Chain is certified
t t d S t 10tested Spectrum 10 tested Spectrum 10
Date 55
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Dogging connection is released for pull Dogging connection is released for pull
Date 56
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Pipe Pull Sequence VideoPipe Pull Sequence VideoPipe Pull Sequence VideoPipe Pull Sequence Video
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Pipe Bundle being transferred from “Bundling Rack” to “Ready Rack Bundle
Pipe Bundle being transferred from “Bundling Rack” to “Ready Rack BundleBundling Rack to Ready Rack BundleBundling Rack to Ready Rack Bundle
Date 58 GIL 3 PowerPoint Template
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Full “Ready Rack” 44,000# of pipe Full “Ready Rack” 44,000# of pipe
Date 59 GIL 3 PowerPoint Template
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Bundles being loaded to supply boat
Bundles being loaded to supply boat
Date 60 GIL 3 PowerPoint Template
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Cargo vessel arriving at the Transfer Dock In Leeville La
Cargo vessel arriving at the Transfer Dock In Leeville LaDock In Leeville, LaDock In Leeville, La
Date 61 GIL 3 PowerPoint Template
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Spread Production RatesSpread Production RatesSpread Production RatesSpread Production Rates
• Mid-June to mid-October- removed• Mid-June to mid-October- removedMid June to mid October removed approximately 95,000’ of pipe
• Pipe size range included 3” 4” 6” 8” 10”
Mid June to mid October removed approximately 95,000’ of pipe
• Pipe size range included 3” 4” 6” 8” 10”• Pipe size range included 3 , 4 , 6 8 , 10 , 16”24 h 8” 1000’ 1200’
• Pipe size range included 3 , 4 , 6 8 , 10 , 16”24 h 8” 1000’ 1200’• 24 hour average 8” -1000’-1200’ recovered
• 24 hour average 8” -1000’-1200’ recovered
• 24 hour average 4” -2500’ recovered• 24 hour average 4” -2500’ recovered
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SummarySummarySummarySummary
• Cost effective approach for shallow water• Cost effective approach for shallow waterCost effective approach for shallow water pipeline removal
• Tools and methodology are adaptable to
Cost effective approach for shallow water pipeline removal
• Tools and methodology are adaptable to• Tools and methodology are adaptable to other locations and water depthsD t il d d d ti l
• Tools and methodology are adaptable to other locations and water depthsD t il d d d ti l• Detailed procedures and operational discipline are keys to Incident-free
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• Detailed procedures and operational discipline are keys to Incident-free
tioperationsoperations
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Questions?Questions?Questions?Questions?