Title:The Importance of the Geospatial Component of Geophysical Data Management in the E
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Understanding Geodesy is the foundation of all good ... The Geodesy relating to the ... in Mapping Sciences - Geodesy & Cartography. Training in College ... – PowerPoint PPT presentation
Title: The Importance of the Geospatial Component of Geophysical Data Management in the E
1 The Importance of the Geospatial Component of Geophysical Data Management in the EP Workflow Jonathan P. Stigant Devon Energy Corporation
IAGC Annual General Meeting
February 19th 2009
2 Introduction and Overview
Introduction to Devon
Big Picture
Long Term Industry Goal and Geospatial Trends
Devon EP Workflow
Geospatial EP Quality Workflow
Geospatial Seismic Quality Workflow
Some Case Histories and Statistics
Focus on
Industry Connections and Standards
Geophysical Data Management Best Practices
Conclusions and Recommendations
3 Devon Operations
Largest US Independent
Specialties
Unconventional Shale Plays
GOM/Brazil/China Deepwater
Canada Tar Sands
4 Industry Focus Long Term
Hydrocarbons especially Oil
Increased demand Developing World NOCs
Slow Growth of Alternatives
Increasing EP Costs
General Promoted Solutions
New technology
Opening More Areas to Drilling
Encouraging Alternatives
Not Generally Mentioned
Doing the Basics Better
Collaborating on Industry Standards (NOCs)
Better Data Management for Identity and Location of assets
5 Devons EP Value Chain 6 The Three Most Important Things! Location Location Location 7 Geospatial Trends
Mapping Principles/No Change
Understanding Geodesy is the foundation of all good surveying and maps
Cartography describes the mpping science
Technique/Revolutionary Changes
GPS is the survey utility of the 21st century
GIS is the mapping utility of the 21st century
Over 75 of our data is spatially referenced whether we know it or not!
Bottom Line - Doing it right the first time can save our Industry millions of dollars 8 Geospatial Trends
Mapping Principles/No Change
Understanding Geodesy is the foundation of all good surveying and maps
Cartography describes the mapping science
Technique/Revolutionary Changes
GPS is the survey utility of the 21st century
GIS is the mapping utility of the 21st century
Over 75 of our data is spatially referenced whether we know it or not!
The corollary is also true! 9 Geospatial Management in the EP Workflow
Application Management
GIS
Interpretation System
Middleware
Well Data Apps
Reservoir Modeling and Engineering
Data Management
Boundaries
Culture (Coastline Roads Rivers etc)
Wells
Raster/Imagery
Load Sheets
Data Loading
2D 3D Seismic
Acquisition Purchase
Seismic Processing
Velocity/Gathers
Drilling
Directional Drilling
Site Survey
Pipelines/Facilities
Reservoir Management
4D Seismic
Production
Pre-Lease
Lease Contract
Boundary Definitions
Prospect Evaluation
Interpretation
Proposed Well
Volumetric Analysis
Functional Activities System Activities GIS and Mapping Management Requirement Reformattin g Re-referencing and Re-presenting Spatial Data Auditing
10 Tipping Point!
Data Types
Seismic
Well
Boundary
Components
Substance
Identity
Location
Current Industry Data Status (Databases and Projects)
Seismic 35-40 missing or mis-reported data
Surface Well 40 misplaced by gt 100 ft
Sub-surface Well 25 misplaced by gt200 ft
US Land Boundary 30-50 misplaced
11 Some Causes
Lack of
Poor Cross Functional Collaboration
Education And Training
Geospatial Detail
Spatial Metadata (Datum Projection Convergence)
Spatial Quality Attributes
Geospatial Design In Applications
Supplier Contract Specifications And QC
Defined Supporting Deliverables
Checking Documented Coordinates (Typos)
Desire For Automation At The Expense Of Accuracy
12 Geospatial (Geodetic) Review Process
Utilizing project data verify that
The Survey is located correctly
The Geodesy relating to the project is right
The various data sets containing coordinate data are in agreement
Evaluate Proposed Well Location versus Original Geophysical Data
Project Data Utilized
Navigation Bin Center Coordinates in industry standard formats of UKOOA P1 or SEG P1
Work Station LoadSheet
SEG Y Trace header Data
Survey Perimeter Outline Point file
Link 13 Focus in on Seismic Data Delivery Current Performance 14 Wrong SEGY EBCDIC Header Information
Navigation Bin Centers and LoadSheet comparisons on initial data delivery
Navigation P1 SegY seismic data LoadSheet Survey outline had different errors and all were replaced
15 Impact of Poorly Positioned Data 16 Land Lease Liability Northing Mapped Land Grid 3D Survey Easting 17 Land Lease Liability Location from Map Land Grid Measured relative to True Land Grid True Land Grid Northing Mapped Land Grid 3D Survey Easting 18 Proposed Drilling Location
Two Surveys
Interpreter complained that one was mismatched with the other
One survey loaded with new corners but datum labeling not changed
Result 250 meter error
Question would we have found it if there was only one survey
19 Industry Collaboration Examples
Communication with Geophysical Contractors on Deliverables
International Oil and Gas Producers Association (OGP)
Survey and Positioning Committee
EPSG Geospatial parameter Database
Spatial Formats
Regional Petroleum Survey Groups APSG
APSG Americas Petroleum Survey Group
Houston Based
Two Meetings per year (February 26 2009)
ESRI Petroleum Users Group
Annual Meeting in February (Feb 23-25 2009)
Energistics (POSC)
Data Management SIG
Geophysical SIG
WITSML
20 Geospatial Integrity of GG Software JIP
Participation
13 Operators
6 major Vendors
Applications
OW/Seisworks
Geoframe
ESRI ArcGIS
Petra (If time and budget allow)
Objectives
Software improvement guidance to vendors
Development of accepted industry standards and specifications
Create a vendor self verification process of geospatial integrity by 2010
20 21 Application Geospatial Reviews
Introduction of Geodetic and Cartographic Functionality
Already Done
Geoframe (2005)
Petrosys (2006)
Petra (2008)
None achieved without significant problems
Others as yet unchecked
Finder
Trango
FME
Forthcoming
Petrel 2009
R5000
22 Conclusions and Recommendations
Industry and Company Focus
Promote Standards - Collaboration to have one set of industry standards
Across All EP Disciplines
Operational and Data Management Support
Independent Quality Assurance (Field and Office)
Geospatial Standards for
Field Operations Data Processing Data Licensing Application Licensing
Detailed Workflows (Link) (Link)
EP as Data Custodians (vs. IT)
Fit for Purpose/Quality Measures in DBs
Geospatial Component of GGE Applications
Review before Implementation
Strategic Collaboration
Education in Mapping Sciences - Geodesy Cartography
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