2012 fepa presentation: larry hjalmarson

© 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)


Culture ofCulture of SafetySafety

Outline


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.

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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


ILIILI

ILIILI

Direct Direct AssessmentAssessment

Direct Direct AssessmentAssessment

PressurePressureTestTest



Direct Direct AssessmentAssessment ILIILI

ILIILI



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


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:


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


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


Questions?

11

[email protected]

2012 fepa presentation: larry hjalmarson

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