improve operational effectiveness with high-resolution ...€¦ · improve operational...
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Improve Operational Effectiveness with High- Resolution Oblique Imagery
Presented by: Chris WilliamsDirector of Pipeline Technical ServicesCheniere Creole Trail Pipeline
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Cheniere
Energy is a dynamic integrated energy company
based in Houston, Texas. The company operates the world’s
largest receiving terminal for Liquid Natural Gas at the mouth
of the Sabine River in Louisiana and the 94‐mile‐long Creole
Trail pipeline, which was commissioned in 2008.
About Cheniere
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Creole Trail A benchmark foundation…
•
Creole Trail went into service in 2008–
Exacting construction standards•
Milling, Coating, Welding
•
Barcoded
Pipe Joints
•
Dense Control Points
–
GPS fixes on most welds
–
Best of breed data•
Rich GIS Data Model
•
Updated Ortho Photography
•
Document Control/Reference
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“Digital Pipeline”
•
Leveraged Automation for IM
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Strong IM Foundation
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Near real time structure updates–
Field detected changes
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Supported by ortho
imagery
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Verified/QC
“Our goal right from the beginning was to build a state‐ of‐the‐art dataset to manage our pipeline, maintain
safety and evaluate threats and risks.”
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PIR/HCA ReviewPotential impact radius (PIR):means the radius of a circle within which the within which the
potential failure of a pipeline could have significant impact on people or property. PIR is determined by the formula r = 0.69* (square root of (p*d2 )), where ‘r’ is the radius of a circular area in feet surrounding the point of failure, ‘p’ is the maximum allowable operating pressure (MAOP) in the pipeline segment in pounds per square inch and ‘d’ is the nominal diameter of the pipeline in inches.
High Consequence Area (HCA):(2) The area within a potential impact circle containing—(i) 20 or more buildings intended for human occupancy; or(ii) An identified site.
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Raising the Bar with a change of perspective…
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Visual Intelligence
Ortho Oblique
•
After pipeline went into operation, an
innovative approach to aerial imaging was
discovered
•
Ultra‐high‐resolution aerial images captured
at an oblique angle
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Visual Intelligence
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Reveals important dimensional data & details that are lost with
traditional ortho imagery
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Scalable easy‐to‐use web‐based solution
called Pictometry Online™
HeightHeight954.72 Ft954.72 Ft
SouthSouth
DistanceDistance424.47 Ft424.47 Ft
AreaArea186,235.55 Sq Ft186,235.55 Sq Ft
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“We wanted to see what Pictometry
could for us. And we wanted to see the images they already had in
their database on our corridor. It simply made sense from a due diligence standpoint.”
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Be able to see every square foot of the pipeline’s Potential Impact Radius from overhead and oblique
angles
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Identify hard‐to‐see structures
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Perform precise measurements
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Quickly determine latitude, longitude, directional bearing and relative positioning
See Everywhere. Measure Anything. Plan Everything With Pictometry
Online
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The curious case of the 2‐family “barn”Satellite Imagery
Pictometry Oblique ImageryNote the trampoline
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The curious case of the 2‐family “barn”
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During demo, entered the address in question with POL
•
Using POL’s
built‐in toolset –
address was located; zoomed in on oblique photo of the structure
•
Clearly seen were two electrical service boxes on the wall and a trampoline in the back
•
Oblique image indicated the structure was most likely occupied –
further investigation it was a two‐
family duplex
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The “right”
angle for remote structural identification
“As an additional quality check, I began using the tool right away to review our entire pipeline corridor.
And I found that new structures had been constructed along the corridor. That confirmed the
value of Pictometry”
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How is Cheniere
using it today?
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Mainstay tool for Pipeline Integrity Management Program
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Most structures along the pipeline are now readily identifiable
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GIS data classifying the structures can be validated by using imported structural outlines
•
There will be situations that require on‐site validation or “ground truthing”.
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Growing number of benefits
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Set boundaries on places of assembly
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Respond quickly in an emergency by providing geo‐coded addresses for all property along corridor
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Enhance communication between field and office using annotated images
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Library of historic ROW imagery
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Growing number of benefits
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Access land records through built‐in link to accurate,
up‐to‐date cadastre information
•
Detect population shifts and changes in geography by
comparing present & past images
After pipeline construction
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“Pictometry
Online has increased our confidence in the accuracy of our data and helped us improve
operational efficiency and integrity management. When you consider all of the benefits, it’s clear that
we’re getting a lot of value from the solution”