Geographical Information Systems Pipeline Route Optimization ...

Geographical Information Systems Pipeline Route Optimization (GISPRO)

A Qualitative Approach to Pipeline Scoping

Geoff Price Chevron Pipe Line Company Bellaire, TX ESRI Petroleum User Group Conference February 23, 2010

© Chevron 2005

DOC ID

Overview ™What is GISPRO? ™Business Case Overview ™Raster Basics ™Pipeline Routing Business Rules ™Least-Cost Path ™Analyzing Results ™Case Study ™Q&A

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Prepared by the EPMO Team

Date Last Updated: 10/19/2005

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GISRPO…

… is a qualitative tool that enables early phase cost estimates for pipeline opportunities up to 6x faster than traditional methods and identifies optimal routing.

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GISPRO Architecture

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Business Case

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Raster Basics

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Raster Basics

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Raster Basics

“Good”

“Bad”

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Establishing Business Rules

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Establishing Business Rules

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Avoid Steep Slopes

Minimize Crossings

How steep is “steep”?

Crossing Distance?

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Avoid Maximize Existing Sensitive Areas Infrastructure

Avoid or Minimize?

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What Type?

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Establishing Business Rules

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GISPRO Architecture

(revised)

Expert Input

Feedback

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Least-Cost Path

Discrete Cost Surface

Least-Cost Path

“Scenario 1”

% Slope

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Least-Cost Path

Discrete Cost Surface 1

% Slope

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Discrete Cost Surface 2

Total Accumulative Cost

Earthquake Zone

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Least-Cost Path

Total Accumulative Cost

Least-Cost Path

“Scenario 2”

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Weighted Cost Surface

Least-Cost Path % Slope

.90

Earthquake Zone

Weights of Influence

.10

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Least-Cost Path

Total Accumulative Cost Surface

Least-Cost Path

“Scenario 3”

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Least-Cost Path

Scenario 1

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Scenario 2

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Scenario 3

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Analyzing Results

Scenario 1

52 miles

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Scenario 2

Scenario 3

63 miles

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65 miles

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Analyzing Results San Andreas Fault

Geohazards Vegetation Density Population Density Class Location Terrain Conditions

Scenario 1

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Analyzing Results Small Mts.

Productivity

Hilly

Blasting or Drilling Fragmented Rock or Boulders Level

Constructability No rock

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A Case Study – Idaho Reroute

The Business Rules ™Avoid ™Tribal lands ™National Forests ™National grass lands ™Minimize ™River Crossings ™Road Crossings ™Urban Areas

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A Case Study – Pocatello Reroute 6.75x Faster

2.5 Days Saved EFFOR

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T

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Potential Savings

Traditional Days

ys a D

/ w ed v Sa

PR S GI

O 7 Man Weeks -OR-

~ $25 – $35,000 in Savings

GISPRO Pipeline Length (miles) © Chevron 2005

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Future Enhancements

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Offshore Analysis

Mock Scenario 2

Mock Scenario 1

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Questions?

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