Airborne LiDAR Surveys and Data Delivery in the Pipeline Industry

Transcription

1 Airborne LiDAR Surveys and Data Delivery in the Pipeline Industry Carlos Femmer Faron Olivier October 25, 2011 October 25, 2011 GITA GIS for Oil and Gas Pipeline 2011

2 Organization Fugro is a decentralized and client-oriented organization delivering a wide range of services from a diversity of locations, varying operating environments and working conditions. October 25, 2011 GITA GIS for Oil and Gas Pipeline 2011

3 Local Presence - Global Perspective Fugro delivers these services from a global network of offices and facilities. Localized services are backed by an internationally acclaimed knowledge base and global resource provisions. October 25, 2011 GITA GIS for Oil and Gas Pipeline 2011

4 Lafayette Office John Chance Land Surveys 2 Divisions: Traditional Land Survey Group (over 50 years) FLI-MAP - Aerial LiDAR Surveys Geospatial Services Group Design and build both FLI-MAP LiDAR systems and LiDAR processing software Operated LiDAR systems commercially since 1995

5 Surveying Concepts.... basic surveying principles have remained relatively unchanged for generations Establish reference meridian Level Determine bearings Measure and Interpolate data

6 Traditional Tools & Methods Accurate Time Consuming Scheduling Obstacles Dangerous Terrain Access Restrictions Low Data Volume

7 Now there is another tool - LiDAR Light Detection And Ranging LIDAR is an optical remote sensing technology that measures properties of scattered light to find range and/or other information of a distant target. Uses Laser Light to measure distance

8 FLI-MAP Faster Non-Intrusive Very Cost Effective Tremendous Data Volume Overall Accuracy of Traditional Acquisition

9 LiDAR improves Access and Safety Issues Traditional Aerial LiDAR Access Denied! No Access Required!

10 LiDAR improves Data Collection Rate 5 point/minute 15,000,000 points/minute Traditional Method Aerial LiDAR

11 Survey using Traditional methods Traditional survey of a section of transmission ROW.

12 Survey using LiDAR methods LiDAR survey of a section of transmission ROW.

13 LiDAR Principles Velocity y z x x y z Pitch, roll & yaw Angle If we know Position x, y & z Range r We can derive Position x, y & z

14 GPS Satellites m AGL Range-Range Position Calculation THE KEY COMPONENTS HELICOPTER GPS IMU (pitch,roll,heading) LASER VIDEO & STILL CAMERAS PROCESSING SOFTWARE EXPERIENCED PERSONNEL Digital Videos & Still Cameras GPS Receivers 50m AGL IMU (INS) Range -Angle Position Calculation Base Stations (3-4) Jack Cormier SYSTEM COMPONENTS

15 HOW DOES LiDAR WORK? THE KEY COMPONENTS AIRBORNE PLATFORM GPS INS LASER VIDEO AND/OR IMAGERY PROCESSING SOFTWARE EXPERIENCED PERSONNEL

16 Forces of change Pipeline External Challenges Pressures Globalization Code / Regulatory / Company Security Requirements Internal Trends Blending worlds Increasing complexity Safety Evolving business Documentation models Uprating Emergent competitors Change of Ownership Regulation Change of Useconcerns Environmental Life Extension Global financial turmoil Strategic IT / GIS October 25, 2011 Local issues GITA GIS for Oil and Gas Pipeline 2011

17 Traditional Survey vs Airborne Lidar Survey Approach Traditional preliminary survey consists of the following components: Topographic Data Capture / Cross-section Boundary Evidence ROW and Centerline Staking Underground Asset Survey Water Crossings Alignment Sheets ROW Plats Permit Plats TIME ACCURACY MONEY Lidar Survey Pipeline Approach Topographic Data Capture / Cross-section Boundary Evidence ROW and Centerline Staking Underground Asset Survey Water Crossings Alignment Sheets ROW Plats Permit Plats

18 Traditional Survey vs Airborne LiDAR Survey Approach Time & Money Faster Time Reduced Cost conventional

19 LiDAR Data Set FLY-THROUGH VIEW AT GROUND LEVEL

20 Data Processing to produce Deliverables

21 LiDAR Processing to Produce Deliverables

22 Profile Views

23 Click for 3D View

24 3-D View

25 Multiple Image Sources Video Still Forward and down looking cameras recording digital MPEGs at 25Hz 720x576 pixel MPEG4 Forward and down looking cameras recording images at approx 1Hz Line Scan 4000 x 2672 pixel (11 Mpixel) Down looking camera Colorizes laser data Produces ortho images (approx 25cm per pixel)

26 Pipeline Project LiDAR Video Imagery Uses Very Accurate DTM (Digital Terrain Model) Survey (Planimetric) HCA Analysis (Liquid & Gas) DOT Risk Analysis Spill Impact Analysis DOT 195 hazardous liquid pipeline Class Location Analysis Image Mosaic / GIS Asset Inventory

27 FLI-TRACK WEB Improving organizations by providing Video, Imagery, and GIS data to all employees leading to better, faster, and more relevant decisions Delivered through a familiar Web Browser Accessible through ESRI ArcMap

28 FLI-TRACK WEB Components Fli-Track Web Integrated Web GIS Quick Tools High Resolution Imagery

29 Summary of Benefits Fast and efficient miles/day Provides highly accurate X,Y,Z data 1. Absolute 5 cm vertical 8 cm horizontal TIME MONEY 2. Relative 2-3 cm Overcomes access limitations ACCURACY Provides maximum safety for surveyors Protects the environment Allows subsequent in-office data mining

30 Thank You Questions and Discussion October 25, 2011 GITA GIS for Oil and Gas Pipeline 2011

31 Carlos Femmer VP Geospatial Faron Olivier Technical Marketing October 25, 2011 GITA GIS for Oil and Gas Pipeline 2011