petrel data cleanup - ocean.slb.com/media/files/developer/user_groups/ocean... · 30/10/2014 13...
TRANSCRIPT
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Petrel Data CleanupFor
Studio
www.roqc.no 1
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Real World Examples and Workflow Details
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•GdF Suez Example - Petrel REF to Studio
•Petoro Example - Petrel REF cleanup
•Workflow & Tools
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GdF Suez Example
Petrel REF to
Studio
www.roqc.no 3
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30/10/2014 4
• Petrel Studio deployment, first impressions and way forward
•
• Jan Willem Achterberg
• GDF SUEZ Norway
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30/10/2014 5
• Overview
• Introduction
• Preparation
• Migration
• Way forward
• Conclusions
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30/10/2014 6
• Introduction
• What is Petrel Studio
• Why Petrel Studio
• Dimensions at EPN
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30/10/2014 7
SQL based database where virtually all Petrel information can be stored:
•Seismic data
•Well data
•Cultural data
•Interpretation
•...
Not able to store in Studio (yet):
•Models
•Workflows
What is Petrel Studio ?
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30/10/2014 8
What is Petrel Studio ? (Production phase)
Petrel Working projectsStudio database
.pet
Data Managers
External Seismic files
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30/10/2014 9
•Why Petrel Studio ?
• One master repository (one stop shop for all corporate data)
• Easy to find and gather data
• Rules and regulations
• Collaboration
• Quality attributes
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30/10/2014 10
•EPN dimensions:• 30 Petrel reference projects, 800 working projects
• Seismic: 410 3D surveys, 26000 2D lines
• 1600 wells
• 8 UTM zones (UTM21 ->UTM37)
• 77TB data
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30/10/2014 11
•Preparation
• IT Infrastructure: • SQL server (Windows or Linux, VM ware at EPN))• Petrel Studio software and licenses
• User awareness
• Pilot Project Plan
• Involve Schlumberger (PO, Project Initiation Document)
• Business case
• Petrel Reference Projects Clean-up (!!)
• No license fee needed, project cost ca. 25KEURO
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30/10/2014 12
•Preparation – Petrel Reference Projects Clean-up
• Project needs to be as ‘clean’ as possible, for example
• Well data
• UWI to be present
• Interpreters present
• Minimum duplicate global well logs
• No duplicate observation numbers
• No well logs below TD
• Well symbols present
• Operator/spud date present
• Seismic data
• Geometry/geography mismatch (3D)
• SP/CPD relationship
• Illegal seismic format
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30/10/2014 13
•Preparation – Petrel Reference Projects Clean-up
•For the well data clean up a very usefull Petrel plug-in is available, RoQC Tools
•Used at EPN:
1. Created UWI for all wells
2. Removed 99% of duplicate well logs
3. Created Observation numbers when applicable
4. Created interpreter
5. Created operator/spud date from csv file
6. Gives audit report on KB reference offset, missing well symbol, logs below TD, unlikely borehole MD, checkshots seabed, etc, etc
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Well reference project before clean-up.
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Well reference projectafter clean-up.
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30/10/2014 16
•Migration
• Two reference projects (seismic + well) and two working projects selected
• First index file created
• Very few problems with well and cultural data
• Seismic migration showed slow performance with 3D surveys (intermittent)
• Presentation given by SLB to users
• Two users given training
• Seismic data issues:• Illegal SP/CDP relationship• Geopraphy/Geometry incompatible• Illegal seismic format
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30/10/2014 17
•Way forward
• Issues to be solved by SLB
• Migrate remaining reference and active working projects
• Create seperate index files for:
• Reference data
• Active working projects
• Archived working projects
• Avocet & Logtek integration
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30/10/2014 18
•Conclusions
• Involve Schlumberger for the pilot project
• Clean-up as much as possible (all) Petrel reference projects up front
• Make sure HW/SW is working before start working with SLB
• Make an implementation plan (which projects/users) for pilot and full deployment
• Get users actively involved at early stage
• Migration will have issues due to Studio being more sensitive and rigorouscompared to Petrel
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30/10/2014 19
•Thank you !
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Petoro ExamplePhase I
Petrel REF cleanup
www.roqc.no 20
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Petoro Phase I- Petrel Ref project cleanup
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• Audit the Petrel REF projects
• Discuss audit results with the users
• Address the agreed upon issues
• Re-audit the REF projects
• Present the results
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Audit the Petrel REF projects
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Discuss audit results with the users
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• Duplicate GWL’s – (user sensitive to Well Log Collection ?)
• Quasi Duplicate GWL’s – (renamed on purpose?(Well Log Collections))
• Stratigraphic Charts & Well Top cleanup
• Missing UWI/data_source/occurence numbers
• KB/TD (incorrect & missing)
• Log data below TD
• etc
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Address the agreed upon issues
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• Manually collect & input the missing KB/coordinates/etc
• Manually check & fix logs below TD
• Well Log Manager
• Strat Cleanup
• Fix Well Headers
• Fix Missing Data_source
• Fix Occurence Numbers
• Fix Checkshots
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Re-Audit the Petrel REF projects
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Present the results
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• Duplicate GWL’s –
• Quasi Duplicate GWL’s –
• Strat Charts & Well Top cleanup –
• Missing UWI/data_source/occurence numbers -
• KB/TD (incorrect & missing) –
• Log data below TD –
• Etc –
• merged
• many merged some left (GWL Collections)
• cleanup done where charts defined
• fixed
• collected & input (time consuming)
• many decisions need to be made by users (check TD first)
• rate limiting steps are with the users….
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Some of the Tools Used
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1. Audit Report
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2. Fix Missing Occurrence Numbers
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• Example of tools designed to fix very specific problems – pre-Studio
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3. Well Log Manager
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4 Strat Cleanup
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5. Etc
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• Other tools
• Petrel – inteligent use of filtering tools [inc Find]
• Excel - colating missing data [from CDA, NPD, Petrobank, etc]
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Petoro Phase II – User Project Cleanup
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• Focus on what can be done without involving the users!!!• Generate UWIs
• Add Well Top data sources
• Add missing observation numbers
• Activate & fix Checckshots
• Add Operators
• Check GWL condition
• Check KB & TD
• Check logs (simple check)
• Check Stratigraphic Names
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Results ….
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• Petoro was very focused on being told what had been done…
• Two weeks of work and so much to present to the client !
• Major dilemma …
• How to summarise the results in an overview – yet still let them drill into the details
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Today !
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Welcome to the new world of
Petrel Data Management
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