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![Page 1: 1 Research, Development & Demonstration for Pipeline Operations Funding Overview & Key Projects Paul P. Gustilo Southwest Gas Corporation Paul.gustilo@swgas.com.](https://reader035.fdocuments.in/reader035/viewer/2022081603/56649e585503460f94b52203/html5/thumbnails/1.jpg)
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Research, Development & Demonstrationfor Pipeline Operations Funding Overview & Key Projects
Paul P. Gustilo Southwest Gas [email protected]
2009 WRGC Tempe, AZ
![Page 2: 1 Research, Development & Demonstration for Pipeline Operations Funding Overview & Key Projects Paul P. Gustilo Southwest Gas Corporation Paul.gustilo@swgas.com.](https://reader035.fdocuments.in/reader035/viewer/2022081603/56649e585503460f94b52203/html5/thumbnails/2.jpg)
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Discussion Topics
Role of Research Background - Natural Gas
Research Current State of Industry Funding RD&D Organizations Key Projects
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Role of RD&D for Natural Gas Operators
Decrease O&M and Capital costs Enhance safety, integrity, and
reliability Address pipeline safety regulations
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$0
$50
$100
$150
$200
$250
1985 1990 1995 2000 2005
Year
Millions of $U.S.
1997 – 7 yr phase out began
GRI FERC Dollars
Background – Natural Gas Pipeline Research
Surcharge existed from 1975 – 2004(Storage, Transmission , Distribution, End-Use)
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Current State of Industry FundingDistribution (LDCs)
“Delta Funds”
1
3
4
5
6
7
8
91011
12
2
13
14
15
16
17
18
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Current State of Industry Funding
Interstate Pipeline Operating Budgets
Costs recovered through pipeline rates or covered by shareholders
Pipelines
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Other Funding
U.S. Department of Transportation – Pipeline & Hazardous Materials Safety Administration (PHMSA)
U.S. Department of Interior, Minerals Management Service (MMS)
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Primary Industry RD&D Consortiums
NYSEARCH, subsidiary of Northeast Gas Association (NGA)
Operations Technology Development (OTD) Program, administered by GTI
Utilization Technology Development (UTD) Program, administered by GTI (End-Use Program)
Distribution (LDCs)
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Primary Industry RD&D Consortiums
Pipeline Research Council, International (PRCI)
Gas Machinery Research Council (GMRC)
Pipelines
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ILI for Unpiggable Pipe
• Inspection robot for 6” – 8” pipe
• Wireless/battery operated
• 1.5 mile range
• Gas flow not interrupted
NYSEARCH Project
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Live inspection robot for 20” – 26” pipe up to 750 psig
Wireless/battery operated ~ 3 mile range
MFL Sensor
ILI for Unpiggable Pipe
NYSEARCH Project
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ASME Project - Hardness Testing
OTD Project -Small Pipe Coupons
24,000 SMYS
42,000 SMYS
Diameter: 12”Operating
Stress30% SMYS
Operating Stress17%
Wall Thickness: ¼”
Pressure: 300 psig
Determining Pipe Strength Through Sub-Size Samples
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Determining Pipe Strength Through Sub-Size Samples
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Defect
Depth
Defect Length
Guided Wave Detection
Pressure Test Detection
Threshold?
Guided Wave vs. Pressure Testing
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Corrosion Rate Estimation
Linear Polarization Resistance (LPR) Probe and
Readout Box
Electric Resistance (ER) Probe and Readout Box
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Corrosion Rate Estimation
Duration (Day)
Corrosion Rate (mils per year)
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Corrosion Rate EstimationPit
rate
(m
ils/y
ear)
Resistivity (ohm-cm)
Various models for estimating corrosion rate
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Corrosion Rate Estimation
Web based program developed to estimate local corrosion rate
Output of program Point rating of soil corrosion potential based
on AWWA guideline Estimate of corrosion potential of
“unprotected” and “protected” pipe List of corrosion rate values in same state
with similar soil resistivity values (based on NIST database)
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Corrosion Rate Estimation
Sample Output
Average “Unprotected-pipe” corrosion rate is estimated to be about 7.18 mpy
Average “protected-pipe” corrosion rate is estimated to be about 0.10 mpy
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Leak vs. Rupture Boundary
Examples of code sections imposing more stringent requirements for higher stress lines
Research project objective is to further quantify/evaluate appropriate SMYS level boundaries
Section of Code Topic
§192.309Repair of steel pipe –dents (40% or more of SMYS)
§192.241
Inspection and test of welds - NDE requirements (< 40% SMYS)
§192.711 General repair of transmission lines (at or above 40% SMYS)
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Keyhole Technology
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Pipe Splitting
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Pipe SplittingAverage Pavement Restoration Required per
Linear Foot of Pipe Replacement
3.8
1.8
1.2
0.50
0.5
1
1.5
2
2.5
3
3.5
4
4.5
Sq
ua
re F
oo
tag
e o
f P
av
em
en
t
Open Trench
Directional Bore
Split & Pull
Split & Pull w/Keyhole
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Timberline PE Repair Tool/Patch
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Acoustic Pipe Locator
Scan Distance (Inches)
Echo Time
(msec)
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PA 11/12
PA 11 now approved for use under 192 (limited to 125 psig)
PA 12 pending approval
Can operate up to 200 psig w/design factor change
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Biogas Acceptance Guidelines
Number and
Energy Productio
n from Operating Manure Digesters
From GTI Draft Guidance Document
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Biogas Acceptance GuidelinesPotential for Biogas Production and Methane Reduction in US
From GTI Draft Guidance Document
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Summary
A lot of RD&D Activity within LDC community
SWG involved, primarily through OTD and NYSEARCH
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Summary
RD&D Resources NYSEARCH, www.nysearch.org OTD, www.otd-co.org PRCI, www.prci.org GMRC, www.gmrc.org PHMSA, http://primis.phmsa.dot.gov/rd