oms project tools and services overview
TRANSCRIPT
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OMS Project Tools and ServicesOverview
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Stages where OMS tools and servicescan be used in projects
First stage – PipesEnd Dimensioning, Straightness, Squareness, Bevel, SCR Architecture, Counterbore Planning, Visualisation Software
Second stage – Pre-welding activitiesInternal and External Hi-Lo, Dynamic Fit Up Management for Flowlines
Third stage – Post-welding activitiesWeld Scanning, External Weld Flushing
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Stage 1 – Pipe End Dimensioning
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Why perform end dimensioning?
Better fit up (Flowline, SCR or Fatigue String architecture)
AUT Cal Block Sorting
Counterbore planning
More efficient welding
Why use OMS?
Fastest tools, most accurate, fundamentally better than calipers, traceable measurements, most experienced partner
Where is pipe end dimensioning performed?
Pipe Mill, Coating Plant, Dockside, Spoolbase, Pipelay Vessel
Stage 1 – Pipe End Dimensioning
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Stage 1 - SCR or Fatigue String Architecture
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Why create a Fatigue String Architecture?
Best possible fit up
Counterboring is undesirable or impossible
No loss of material
Why OMS?
Experience of many complex strings
Tools and software
When is Fatigue string design carried out?
From pipe manufacture to after coating
Stage 1 - Fatigue String Planning
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Stage 1 - Counterbore Planning
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Why do Counterbore Planning?
Counterboring is required to manage wall thickness
A single counterbore size is not possible due to WT issues
Improved management of welding process
Why OMS?
Experience managing complex multiple SCR projects
When is counterbore planning carried out?
At any stage between pipe manufacture and pipe yard
Stage 1 - Counterbore Planning
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Stage 1 - Bevel Checking
Land thickness, depth and angle
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Why check bevel geometry?
Ensures that bevel geometries are within specification
Documentation of specification compliance
Better welds due to consistent land depths, angles and land thicknesses
Why Use OMS Tools?
Fast, accurate, traceable, repeatable, lasting record
When are bevels checked?
Just after bevelling before the firing line
Stage 1 - Bevel Checking
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Stage 1 - Pipe Straightness
Laser unit
Target ‘Graticule’ Retro-reflector
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Why check straightness?
Quantifying pipe bend and hooking
Ensuring the double joints are straight
Proving contract compliance
Ensuring that spooled pipes are straightened correctly without wasting material by checking on deck
Why use OMS tools?
Fast, accurate, repeatable, traceable, easy to use
When are pipes checked for straightness?
Before and after welding and after spooling
Stage 1 - Pipe Straightness
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Stage 1 - Pipe End Squareness
Digital Dial Gauge
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Why check end squareness?
Avoidance of out of straight pipe joints
Stress reduction for fatigue senstive pipes
Higher speed welding as time is not wasted rotating pipes to obtain a zero gap
Proof of contract compliance
Why OMS tools?
Fast, accurate, repeatable, traceable, easy to use
When are pipe ends checked for squareness?
Following the bevelling station
Stage 1 - Pipe End Squareness
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Stage 2 – Pre-welding activitites
ID Hi-Lo – Closed Gap
ID Hi-Lo – Open Gap
OD Hi-Lo
Dynamic Fit up for Flowlines
Fit up for SCR or Fatigue Sensitive String
Visualisation of pipe end data
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Stage 2 - ID Hi-Lo Closed Gap
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Why measure ID Closed Gap Hi-Lo?
Longer fatigue life
Less likelihood of a Hi-Lo problem related cut out
Contract requirement
Why use OMS tools?
Faster, accurate, repeatable, traceable
When are ID Hi-Lo’s measured ?
Directly before welding
Stage 2 - ID HiLo Closed Gap
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Stage 2 - ID Hi-Lo Open Gap
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Why measure ID Hi-Lo?
Longer fatigue life
Less likelihood of a Hi-Lo problem related cut out
Contract requirement
Why use OMS tools?
Faster, accurate, repeatable, traceable, lasting record
When are ID Hi-Lo’s measured ?
Directly before welding
Stage 2 - ID HiLo Open Gap
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Stage 2 - OD Hi-Lo Measurement
MagneticBase
OD HiLo
Precision Sliding Rails
Pipe 1 Pipe 2
MicrometerHead
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Why measure OD Hi-Lo?
Longer fatigue life
Contract requirement
Why OMS tool?
Accurate, repeatable, faster, traceable
When are OD Hi-Lo’s measured ?
Directly before welding
Stage 2 - OD HiLo Measurement
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Stage 2 - Dynamic Fit Up Planning
Firing Line
Rejected Pipe Rack
Beveling shed
Unloading rack
Loader -full
Loader -empty
Pipe Yard
Pipe stacks contain measured pipes awaiting welding
OMS Software used here
Ready rack
Welding Stations and AUT etc
Enter Pipe Numbers
Get Fit up
results
Hi-Lo maps
+ Pass/Fail
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Why fit up pipes in this way?
The solution achieves the best possible fit up of pipes
Philosophy:Measure + Visualisation Software = Best Fit-Up Achievable, Quicker and Easier
Solution can be tailored to meet client needsBest fit up because actual pipe geometry is used to achieve solution
Minimises logistics necessary to achieve best result
OMS package includes operator training
Why use OMS
Proven system (saving time and money) and easy implementation
When is the the OMS dynamic fit up scheme used?
Near to the firing line or near to the pipe load out
Stage 2 - Dynamic Fit Up Planning for Flowlines
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Stage 2 - Fit Up for SCR or Fatigue Sensitive String
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ID HiLo graph at current rotation.
OD HiLo graph at current rotation.
These buttons “nudge” the rotation.
Fixed and Free end pipe IDs along with there diameters.
Current rotation from datum Max ID and OD HiLos at the current rotation along with OK/Fail indicators.
Fitup status indicators. See further documentation.
Buttons to automatically select the Best ID, OD or combined fituprotation.
Click here to Return to the pipe end selection screen.
Stage 2 - Fit Up Visualisation
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Stage 2 - Fit up VisualisationWhy Visualise Pipe End Data?
View measurement data for any pipe end
Pipe statistics e.g. Average, Min or Max, Internal and Outer Diameter, Wall Thickness
View simulated fit up of pipes
Best Fit up pipes in spoolbase, on JLay/SLay vessel
Best ID only fit up, or ID and OD fit up
Why OMS?
Proven tools, software and services
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Stage 3 - Internal Weld Scanning
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Why perform internal weld scanning?
Elimination of weld defects
Reduction in cut outs at AUT station
Contract requirement
Why OMS Tool?
Fast, extremely high quality images, accurate, recordable data
When to inspect internal welds?
After welding of DJ, in firing-line after hot-pass, in JLay tower, at stalk tie-in
Stage 3 - Internal Weld Scanning
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Measure the depth to which the weld is ground off
Gauge mounted on movable carriage to measure across the weld zone
Magnetic mount to pipe
Stage 3 - Weld Flushing
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Why measure weld cap height and flushing?
Reporting to client
Stronger weld
Contract compliance
Why use OMS tool?
Accurate direct measurements, traceable, repeatable
When to measure weld cap flushing?
After grinding before AUT inspection
Stage 3 - Weld Flushing
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Summary
OMS tools and services can be used at three stages:
1. On 12 metre pipes
2. In the process of preparing for welding
3. After welding
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We’re here to help!USA
Tel: 001 832-230-0153
Email: [email protected]
17421 Village Green Drive, Houston, Texas 77040, USA
UKTel: +44 (0) 1279 656038 or +44 7929 777286
Email: [email protected]
8 Twyford Business Centre, London Road, Bishop’s Stortford, Hertfordshire, CM23 3YT, UK
www.omsmeasure.com