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Tue. 8 - 8:45am
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PHMSA Guideline for Performing ECDA with Cased Crossings
PHMSA presents the guidelines for performing ECDA with Cased Crossings forum.
Presented by: Bill Lowry, PHMSA
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Tue. 8:45 - 9:15am
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Performing ECDA Pre-Assessment for Cased Crossings
The topic will cover how to conduct a Pre-Assessment for Cased Crossings. A review of the 17 attributes that PHMSA guidelines recognize as critical in the evaluation to determine if it is feasible to perform ECDA for cased crossings. This topic should also identify how to define casing regions. Regions are defined as casing which would have similar physical characteristics with similar past, present and future corrosion behaviors. Each casing requires the selection of the appropriate tool to perform the indirect inspection testing.
Presented by: Aida Garrity, MEARS Group
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Tue. 9:15 - 9:45am
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Testing Casings
PHMSA casing guidelines suggest there are eleven (11) methods for testing a cased crossing and the conditions that these tools work in. Each of these test methods will be reviewed and discussed on how to perform the tests along with interpreting the results. A thorough discussion will be held on when the tools do and do not work. What is the right application and conditions for each tool to be applied?
Presented by: Charlie Hall, MESA Products
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Tue. 9:45am - 10:15pm
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A Review of GTI Validations of Guided Wave Inspections and Guided Wave Data vs. Hydrostatic Testing
This presentation will review the important aspects of the GTI study on Guided Wave Ultrasonic Inspection relative to assessing cased pipe sections. The presentation will also cover the concept that has been validated by GTI where guided wave data can be compared to hydrostatic testing.
Presented by: Scott Lebsack and Kevinn Morgan MISTRAS-Impro
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Tue. 10:15 - 10:30am
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Refreshment Break
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Tue. 10:30 - 11:15am
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Excavation and Establishing Cased Crossing Integrity
Pipeline casings are axcavated to determine the condition of the carrier piping. The casing may need to be flushed to eliminate any debris that may be in the casing, cold cuts made to the end of the casing to remove metallic shorts near the ends, casing vents installed for filling the casing annular space with a wax filler, verifying the integirty of the carrier pipe with guided wave technology, installing link and end seals to support the casing and attempt to eliminate the migration of debris or water in the casing, install monitoring system components.
Presented by: Mike West, PG&E
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Tue. 11:15 - 11:45am
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Applying Guided Wave Technology to Evaluating the Carrier Pipe
PHMSA has documented 8 points required to assess the pipeline carrier piping with guided wave technology. What is required to perform and document the usage of guided wave technology for cased crossings? What happens when guided wave cannot be performed on casings when assessing the casing by ECDA?
Presented by: Scott Riccardella, Structural Integrity
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Tue. 11:45am - 1pm
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Lunch
Graciously Sponsored by: Mistras-Impro & MEARS Group
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Tue. 1 - 1:30pm
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Filling Casings
This topic will discuss all the preparation requirements and completion of filling the casing annular space. There are twenty (20) requiremnts for documenting a properly filled casing. The need for identifying how to and what is required in filling casing is critical to the acceptance by PHMSA and ensuring the conditions inside the casings are known.
Presented by: Frank Rampton, Trenton Corp.
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Tue. 1:30 - 2pm
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Monitoring Programs for Casings
What does it take to setup a monitoring program foir filled casings? What must be monitored, how often, and what documentation is required?
Presented by: Drew Hevle, El Paso Corp.
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Tue. 2 - 2:30pm
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Corrosion Control Inside Unfilled Casings
This segment focuses on the processes and technology available to monitor and control corrosion of pipelines inside unfilled casing systems. Corrosion rate monitoring, corrosion mitigation with vapor corrosion inhibitors and other corrosion control factors are reviewed.
Presented by: Tim Whited, Cortec Corporation
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Tue. 2:30 - 3pm
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Monitoring of Filled/Unfilled Casings
Long term Monitoring Solutions for Filled / Unfilled Casings - this segment will discuss options for long term monitoring of filled and unfilled casings to address verification of wax volume, end seal integrity, water incursion, and short monitoring as referenced in the latest PHMSA guidelines for casing assessment.
Presented by: Rob Geib, Profile Technologies
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Tue. 3 - 3:15pm
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Refreshment Break
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Tue. 3:15 - 3:45pm
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Assessment of Casing Filler Effectiveness
This presentation is a review of one operators ILI data of both filled and unfilled casings. The filled casings reviewed in this case study were filled at installation. A comparison of external metal loss anomalies in the filled and unfilled casings will be presented. Presented by: Jim Warner, Consumers Energy.
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Tue. 3:45 - 4:15pm
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Draft Guidelines for ECDA of Cased Pipeline Segments
This presentation will highlight guidelines for ECDA of cased pipeline segments developed for PHMSA under a research contract. Topics include recommendations for Pre-Assessment, Indirect Inspection, Direct Examination and Post Assessment step activities. The guidelines closely parallel the NACE SP0502 ECDA standard practice for buried pipelines with modifications where necessary to make the guidelines applicable to cased pipeline segments. ECDA Indirect Inspection survey data for cased pipeline segments will be presented along with classification and prioritization examples.
Presented by: Larry Rankin, Corrpro
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Tue. 4:15 - 5pm
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Roundtable Discussion/Open Q&A with Presenters
A panel of experts answers attendee questions and discuss the strategies required for casing remediation and implementation. In the event there is not many questions, the panel will discuss management perspective of these guidelines and need to recover the cost of casing ECDA remediation.
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