Kinder Morgan 101: Knowing Which Kinder Morgan Company is Right for You
Kinder Morgan Pipeline Assessment - Environmental Risk
Transcript of Kinder Morgan Pipeline Assessment - Environmental Risk
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THE PLANNING CENTER
Kinder Morgan Pipeline Assessment
Kinder Morgan Pipeline Assessment
June 16, 2008
Dr. Cathy Fitzgerald, P.E.
June 16, 2008
Dr. Cathy Fitzgerald, P.E.
THE PLANNING CENTER
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THE PLANNING CENTER
ISSUES
• Manual vs. automatic valves
• If the pipeline breaks, where will the product flow
• What happens in an earthquake
• What happens if product gets into the storm drain
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THE PLANNING CENTER
San Juan Hills HS
Kinder Morgan 16-Inch Pipeline
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San Juan Hills HS
Kinder Morgan 16-Inch Pipeline
Check Valve Elev. 331 msl
High Point Elev. 1,022 msl
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Probability of Pipeline Failure
• All refined product pipelines in California –1986-2001
• Annual failure probability– 1.3 x 10-3
• One incident every 769 years• No. 1 cause of failure – third party damage• Earthquake
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Earthquakes and Pipelines
• Failure mechanisms• Ground shaking• Liquefaction/lateral spreading• Landslides• Maximum credible earthquake – MMI 6.6• Newport-Inglewood Fault – 7 miles SW• Failure probability – 5.1 x 10-3
• Once every 196 years
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Earthquakes and Pipelines (cont.)
• Northridge Earthquake -1994• All petroleum product pipelines shut down within
1 minute – regulatory requirement• 2 petroleum pipeline breaks• Kinder Morgan pipeline – low probability of
break given earthquake occurs• Buried 3 feet below ground surface• Steel pipelines ductile – less susceptible to
ground movement• New pipe (<25 yrs old) – corrosion less likely
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Pipeline Failure – What Happens and Where Does the Product Go?
• Leak – 5 times more likely than full break• Product travels along backfill below
ground surface• Most likely never reaches the surface• Worst case scenario – full pipeline rupture
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Pipeline Shutdown and Manual vs Automatic Valves
• Manual shutoff valves – Ortega Highway and Talega Creek – 14.6 miles apart
• One-way check valve – La Pata Road• Kinder Morgan control center – Orange, CA• Staffed with 16 people operating 24/7• Continuous monitoring of pipeline for pressure,
flow rate, temperature, etc. with SCADA system• Automatic shutdown time – 0 to 30 seconds,
assume 1 minute
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What Happens After Shutdown?• Pumps turned off• Assume discharge of product for one
minute prior to shutdown• 6,000 bbl/hr = 4,200 gallons in one minute• Distance to school site = 2,150 feet • 7 football fields• Product adsorbed into soil• Never reaches school site
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What Happens After Shutdown?
• In addition to product released during shutdown period
• Gravity drainage from pipeline • Amount discharged based on elevation
profile and break location
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San Juan Hills HS
Kinder Morgan 16-Inch Pipeline
Check Valve Elev. 331 msl
High Point Elev. 1,022 msl
Segment A Segment B
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How Much Product Is Released?Distance from High Point (ft)
Amount Released
During Shutdown (gal)
Amount Released
During Gravity Drainage (gal)
Total Amount Released (gal)
0 4,200 0 4,200
500 4,200 5,221 9,421
1,000 4,200 10,442 14,642
4,300 4,200 44,901 49,101
30-foot Round Pool,
4 feet deep
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How Far Will Product Travel?
• Worst case scenario – 49,100 gallons released – volumes of 2.3 aboveground swimming pools
• Discharge into drainage channel• Lateral spreading, infiltration, adhesion, and
evaporation• Assume 30 foot wide channel• Product infiltrates into soil within 300 to 600 feet• Distance from pipeline to storm drain – 2,100
feet• Product will not reach storm drain
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The End