20A Managing Subsea HPHT Equipment Risks · program for 20K subsea equipment since 2014...

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20A – Managing Subsea HPHT Equipment Risks

Gregory Walz

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• Anadarko’s 20A Project kicked off in 2014

• Design, verification, and validation 20ksi subsea equipment

Anadarko’s Unique Opportunity

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• Pressure controlling & containing equipment review process

BSEE Review Process

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Systems engineering approach

Whole Life Cycle Modes

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Load Identification & Bracketing

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System Design Flow

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Pressure Controlling or Pressure Containing Equipment

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Validation Testing Examples

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Integrated PRA Model

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Human contribution to the overall risk for the generic configuration

Probabilistic Risk Assessment (PRA) Overall Results

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Next Steps – Human Factors

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Human Reliability Analysis Tool Predictions

Versus

Simulator Results

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• Anadarko and our suppliers have been performing an extensive development program for 20K subsea equipment since 2014

• Currently finishing all testing, 4Q18 / 1Q19

• Developing and submitting the I3P reports to BSEE 4Q18 / 2Q19

• Extensive technical rigor, documentation, and review is being performed to mitigate “Serial #1” risks

• Anadarko sees value in PRAs, working on how best to use the methodology

• Will continue to collaborate with BSEE and NASA on PRA modeling

Summary

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Thank you

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