Upload
floridapipetalk
View
280
Download
2
Embed Size (px)
DESCRIPTION
Citation preview
© 2012 The Williams Companies, Inc. All rights reserved.© 2012 The Williams Companies, Inc. All rights reserved.
Mitigating Threats to Gas Transmission PipelinesFlorida Energy Pipeline Association July 19, 2012
Larry Hjalmarson Vice President of Safety, Environmental and Pipeline Integrity Williams Gas Pipeline [email protected]
© 2012 The Williams Companies, Inc. All rights reserved. 2
Williams Gas Pipeline: 15,000 miles of pipeline, 2” to 48” diameter 80 compressor stations, 491 units, 2.2 MM HP 1,700 employees (1,000 in field) 43 districts, 7 divisions 21 states
Williams Gas Pipeline: 15,000 miles of pipeline, 2” to 48” diameter 80 compressor stations, 491 units, 2.2 MM HP 1,700 employees (1,000 in field) 43 districts, 7 divisions 21 states
NorthwestNorthwest
TranscoTransco
Gulfstream(with Spectra)
Gulfstream(with Spectra)
© 2012 The Williams Companies, Inc. All rights reserved.© 2012 The Williams Companies, Inc. All rights reserved.
Culture ofCulture of SafetySafety
Outline
© 2012 The Williams Companies, Inc. All rights reserved.© 2012 The Williams Companies, Inc. All rights reserved.
Guiding Principles of Pipeline Safety
> Our goal is zero incidents - a perfect record of safety and reliability for the national pipeline system. We will work every day toward this goal.
> We are committed to safety culture as a critical dimension to continuously improve our industry’s performance.
> We will be relentless in our pursuit of improving by learning from the past and anticipating the future.
> We are committed to applying integrity management principles on a system-wide basis.
> We will engage our stakeholders - from the local community to the national level - so they understand and can participate in reducing risk.
4
© 2012 The Williams Companies, Inc. All rights reserved.© 2012 The Williams Companies, Inc. All rights reserved.
Tim
eD
epen
den
tT
hre
ats
Res
iden
tT
hre
ats
Tim
eIn
dep
end
ent
Th
reat
s
External Corrosion
InternalCorrosion
SCC
Manufacturing
Construction
Equipment
ExcavationDamage
Incorrect Operations
Weather and Outside Forces
External Corrosion
Internal Corrosion
SCC
Defective Pipe Seam Defective Pipe
Defective Pipe Girth Weld Defective Fabrication WeldWrinkle Bend or Buckle
Stripped threads/broken pipe/coupling failure
Gasket O-ring Failure Control/Relief Failure
Seal/pump packing failure
Miscellaneous
Damage inflicted by first, second, or third parties
Previously Damaged Pipe Vandalism and Sabotage
Incorrect Operational Procedure
Cold Weather
Earth Movements
Lightning
Heavy Rains or Floods
Threats to Pipelines
© 2012 The Williams Companies, Inc. All rights reserved.© 2012 The Williams Companies, Inc. All rights reserved.
ILIILI
ILIILI
Direct Direct AssessmentAssessment
Direct Direct AssessmentAssessment
PressurePressureTestTest
PressurePressureTestTest
PressurePressureTestTest
Direct Direct AssessmentAssessment ILIILI
ILIILI
PressurePressureTestTest
PressurePressureTestTest
ILIILIPipe
Specification
Construction Practices
Preventative Maintenance
Cathodic Protection
Pipe Coating
CISAnodes &
Ground Beds
Gas Quality
Internal Corrosion Site Specific Plans
Cleaning Pigs
Coupon Monitoring
Inspection during Manufacturing
Inspection
One Call SystemTicket Management
Cathodic Protection
Discharge Temperature
Field Inspections
Damage Prevention & Public Awareness
PatrollingMarking
and LocateExcavation Monitoring
Operating Procedures
PatrollingContinuing
SurveillanceEmergency Preparedness
Procedures
Audits
Strain Gauges
Training
Tim
eD
epen
den
tT
hre
ats
Res
iden
tT
hre
ats
Tim
eIn
dep
end
ent
Th
reat
s
External Corrosion
InternalCorrosion
SCC
Manufacturing
Construction
Equipment
ExcavationDamage
Incorrect Operations
Weather and Outside Forces
Mitigating Threats
© 2012 The Williams Companies, Inc. All rights reserved.© 2012 The Williams Companies, Inc. All rights reserved.
Integrity Management Plan Overview
House CountsLeak ReportsClose Interval SurveysGlobal Information System Data
CollectValidateIntegrate
Centerline BuffersTraining for OperationsHCA CalculatorQuality Control and Documentation
ThreatsConsequencesRisk ModelQuality Control and Documentation
Inline Inspection (smart pig)Hydrostatic TestingDirect Assessment
Preventive and MitigationEffectiveness of IMPAddress all 9 Threats, 21 Causes
Cathodic ProtectionCorrosion InhibitorClean pipelines
3-YearProcess
EvaluateEffectiveness(Annual Process)
INPUT: Data
OUTPUT: Prevention& Mitigation
DATADATADATADATA
RISKRISKRISKRISK
AssessAssessAssessAssess
P&MP&MP&MP&M
HCAHCAHCAHCA
Lower pipelineIncrease patrolsLine Markers
© 2012 The Williams Companies, Inc. All rights reserved.
Multiple layers of defense to slow, Multiple layers of defense to slow, detect and counter the attackdetect and counter the attack
Multiple layers of defense to slow, Multiple layers of defense to slow, detect and counter the attackdetect and counter the attackCyber
attacks:
© 2012 The Williams Companies, Inc. All rights reserved.© 2012 The Williams Companies, Inc. All rights reserved.
Attacks on the physical assets
Similar, multi-layered defense to Similar, multi-layered defense to slow, detect and counter the attack:slow, detect and counter the attack:Similar, multi-layered defense to Similar, multi-layered defense to slow, detect and counter the attack:slow, detect and counter the attack:
• Fences, gates, locks
• Cameras, intruder alarms
• Neighbors
• Law Enforcement
• Homeland Security
• Employees
• Emergency Preparedness
© 2012 The Williams Companies, Inc. All rights reserved.© 2012 The Williams Companies, Inc. All rights reserved.
Stages of a Pipeline Emergency:
> Speed all stages of response> Advanced preparation
– Plan
– Train
– Mock emergencies
> Identify rupture> Order to Close Valves> Reach valves, consider
automating valves> Close, lock, tag valves> Evacuate gas> Incident Command
– Unified Command
> Restore Service
Rupture
Identify Rupture
Order to Close Valves
Mobilize
Reach Valves
ICS Unified Command•Situational Awareness•Assessment•Safety•Planning•Resources•Incident response•Perimeter control•Access to site•Rescue and mitigation•Communications
Close, Lock, Tag Valves
Evacuate Gas
Rescue and Mitigate Damage
Begin Root Cause Analysis
Restore Service Lessons Learned
Pipeline Emergency Response Flow ChartPipeline Company Emergency Responders Public
Recognize Hazard
Evacuate to Safety
Call 911
Return WhenSafe
Time, minutes
Prop
erty
-M
ax D
amag
e Ra
dius
Peop
le -
Max
Impa
ct
Prop
erty
-Pe
riphe
ralD
amag
eEx
pand
sPr
oper
ty -
ER M
itiga
tion
911 Dispatcher
Secure Site and Evacuate
Implement ICS
Peop
le -d
ange
r if I
mm
obile
-IM
M re
view
nee
ded
0
1
2
5
10
20
30
40
50
60
90
120
2 or more days
© 2012 The Williams Companies, Inc. All rights reserved.© 2012 The Williams Companies, Inc. All rights reserved.
Questions?
11