Upload
regina-norris
View
221
Download
4
Tags:
Embed Size (px)
Citation preview
INGAA Direct Assessment INGAA Direct Assessment Industry WorkgroupsIndustry Workgroups
Drew HevleDrew HevleEl Paso CorporationEl Paso Corporation
OverviewOverview
External Corrosion Direct Assessment External Corrosion Direct Assessment workgroupworkgroup– Sponsored by INGAASponsored by INGAA
– Many other participating organizationsMany other participating organizations
– Validation efforts – PRCI, NGA, PG&E, Validation efforts – PRCI, NGA, PG&E, AGA/GTIAGA/GTI
OverviewOverview
Other workgroupsOther workgroups– Internal corrosion direct assessmentInternal corrosion direct assessment
– SCC direct assessmentSCC direct assessment
Goals of workgroupsGoals of workgroups
Provide forum for participation for Provide forum for participation for operators, contractors, and regulatorsoperators, contractors, and regulators
Distribute informationDistribute information
Coordinate research and validation effortsCoordinate research and validation efforts
Identify gapsIdentify gaps
Goals of workgroupsGoals of workgroups
Discuss and propose new researchDiscuss and propose new research
Provide input to standards and regulatory Provide input to standards and regulatory developmentdevelopment
Develop and distribute protocolsDevelop and distribute protocols
Identify new technologies and applicationsIdentify new technologies and applications
ECDA WorkgroupECDA Workgroup
ECDA workgroup headed by Drew Hevle ECDA workgroup headed by Drew Hevle of El Pasoof El Paso
Latest meeting September 26 in HoustonLatest meeting September 26 in Houston
Conference calls being held bi-weeklyConference calls being held bi-weekly
Next meeting December 18 in HoustonNext meeting December 18 in Houston
ECDA Workgroup MakeupECDA Workgroup Makeup
ECDA distribution list ECDA distribution list includesincludes approximately 125 approximately 125 membersmembers– 60 operators (includes gathering, transmission and distribution)60 operators (includes gathering, transmission and distribution)
– 50 contractors/industry organizations50 contractors/industry organizations
– 15 regulators (both state and federal)15 regulators (both state and federal)
– Some participants from outside the natural gas industry, some Some participants from outside the natural gas industry, some international, not all interest strictly in Title 49 changesinternational, not all interest strictly in Title 49 changes
Similar distribution for ICDA workgroupSimilar distribution for ICDA workgroup
ECDA WorkgroupECDA Workgroup
StatusStatus– PRCI validation project updates from nine of the PRCI validation project updates from nine of the
participating companiesparticipating companies
– Development of an ECDA Guidebook to aid in Development of an ECDA Guidebook to aid in converting the NACE standard converting the NACE standard RP 0502 into procedures and specificationsRP 0502 into procedures and specifications
ECDA WorkgroupECDA Workgroup
StatusStatus– Update on NGA’s validation effortUpdate on NGA’s validation effort
– Soils model updateSoils model update
– Opportunities for site visitsOpportunities for site visits
PRCI High-Impact ProgramPRCI High-Impact Program
Co-funded by DOT, managed by Fred JoynerCo-funded by DOT, managed by Fred Joyner
ProgramsPrograms– External Corrosion Direct Assessment External Corrosion Direct Assessment
Review of 2000/2001 dataReview of 2000/2001 data
ECDA validation projectECDA validation project
Reliability-based risk assessmentReliability-based risk assessment
Soils modelSoils model
ECDA ManualECDA Manual
– OthersOthers
PRCI High-Impact ProgramPRCI High-Impact Program
Companies were requested to volunteer Companies were requested to volunteer pipeline segments that had been in-line pipeline segments that had been in-line inspected recentlyinspected recently– Most pipelines were large diameter coated Most pipelines were large diameter coated
transmission gas pipelinestransmission gas pipelines
Protocol developed to apply NACE 0502 in a Protocol developed to apply NACE 0502 in a consistent mannerconsistent manner
PRCI High-Impact ProgramPRCI High-Impact Program
Consultants provided to conduct the indirect Consultants provided to conduct the indirect inspections and direct examinations in a inspections and direct examinations in a consistent mannerconsistent mannerAdditional tools evaluated, such as EUPEC Additional tools evaluated, such as EUPEC RMS Delta survey, soils model, Miller DA RMS Delta survey, soils model, Miller DA meter, additional direct examinations mademeter, additional direct examinations made
PRCI High-Impact ProgramPRCI High-Impact Program
Participating companiesParticipating companies– CenterPoint EnergyCenterPoint Energy– Duke Energy/Union & Texas EasternDuke Energy/Union & Texas Eastern– El Paso/Tennessee GasEl Paso/Tennessee Gas– Enbridge/ConsumersEnbridge/Consumers– Gulf South (2 segments)Gulf South (2 segments)– Panhandle (2 segments)Panhandle (2 segments)– SoCal (3 segments)SoCal (3 segments)– WilliamsWilliams
PRCI High-Impact ProgramPRCI High-Impact Program
Results Results – Goal to complete direct examinations by Goal to complete direct examinations by
ThanksgivingThanksgiving
– Periodic updates at ECDA workgroup Periodic updates at ECDA workgroup meetings and conference callsmeetings and conference calls
– PRCI will generate a final report available PRCI will generate a final report available in 2004in 2004
ECDA WorkgroupECDA Workgroup
Gaps identifiedGaps identified– Identify the limits of the NACE standardIdentify the limits of the NACE standard
Shielding coatingShielding coating
Rocky backfillRocky backfill
Adjacent metallic structuresAdjacent metallic structures
ECDA WorkgroupECDA Workgroup
Gaps identifiedGaps identified– Confirmatory direct assessmentConfirmatory direct assessment
PRCI project conducted with ILI and PRCI project conducted with ILI and ECDA resultsECDA results
Would be relatively simple to take this Would be relatively simple to take this existing data and evaluate for existing data and evaluate for effectiveness with CDAeffectiveness with CDA
ECDA WorkgroupECDA Workgroup
Gaps identifiedGaps identified– New methods for calculating New methods for calculating
reassessment intervalsreassessment intervals
– Better and more efficient indirect Better and more efficient indirect assessment tools for bare and poorly assessment tools for bare and poorly coated pipelinescoated pipelines
ECDA WorkgroupECDA Workgroup
Gaps identifiedGaps identified– Need for consistency in applicationNeed for consistency in application
– Need for standards for indirect inspectionsNeed for standards for indirect inspections
– Issues with telluric currents and new Issues with telluric currents and new inspection techniquesinspection techniques
ICDA WorkgroupICDA Workgroup
ICDA headed by Garry Matocha of Duke ICDA headed by Garry Matocha of Duke EnergyEnergy
Latest meeting October 20, 2003Latest meeting October 20, 2003
Next meeting scheduled for January 2004Next meeting scheduled for January 2004
ICDA WorkgroupICDA Workgroup
StatusStatus– NACE RP for ICDA (Dry Gas Systems) NACE RP for ICDA (Dry Gas Systems)
expected to go out for ballot this weekexpected to go out for ballot this week
– Short uninspectable segments are Short uninspectable segments are portions of the systems which will be portions of the systems which will be difficult to evaluate. Additional work in difficult to evaluate. Additional work in this area is needed. this area is needed.
ICDA WorkgroupICDA Workgroup
StatusStatus– The CDA work group requested input The CDA work group requested input
regarding CDA procedures for internal regarding CDA procedures for internal corrosion. This is currently under corrosion. This is currently under development by a smaller group which will development by a smaller group which will circulate the proposed procedures to the circulate the proposed procedures to the larger work group for comment prior to the larger work group for comment prior to the next meeting.next meeting.
SCCDA WorkgroupSCCDA Workgroup
SCCDA standard is still in the development stageSCCDA standard is still in the development stage
– NACE TG 273 is developing the standardNACE TG 273 is developing the standard
– Chair John Beavers, vice-chair Jim MarrChair John Beavers, vice-chair Jim Marr
– Preliminary draft discussed at NACE Corrosion Preliminary draft discussed at NACE Corrosion Technology Week in September in PittsburghTechnology Week in September in Pittsburgh
No formal workgroup has been created yetNo formal workgroup has been created yet
ParticipationParticipation
If you would like to participate in any of If you would like to participate in any of these groups, please contactthese groups, please contact
– ECDA – Drew HevleECDA – Drew [email protected]@elpaso.com
– ICDA – Garry MatochaICDA – Garry [email protected]@duke-energy.com
INGAA Direct Assessment INGAA Direct Assessment Industry WorkgroupsIndustry Workgroups
Drew HevleDrew HevleEl Paso CorporationEl Paso Corporation