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BOP and control systems –What’s new post Macondo?

Jeffry P. Sattler, P.E.Sr Vice President, EngineeringWEST Engineering ServicesSeptember 2012

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Jeff Sattler• Sr. Vice President Engineering

• 33-year oil and gas career

• Began with West in 1993

• 15 years at Shell in various positions inthe Americas

• Degrees in Chemical and PetroleumRefining Engineering

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Manufacturing, Testing, Maintenance,and Certification Requirements

• Current Status

• Issues

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Current Status• Subsea failure rate comparison

SINTEF V

SINTEF II DW

Current JIP2000

0

1000

3000

4000

5000

6000

7000

7000

9000

10000

R a t e

, M T T F

, D a y s

106,526

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Current Status• MTTF by Rig (Subsea)

13 (35%) of rigs had no associated failures

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Current Status• Existing standards

• Class

• API• Specifications (design and manufacture)

• Recommended Practices (operations and maintenance)• Private

• Regulatory

• Generally considered minimums

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Compliance to Standards

• Who verifies compliance?• What are competence requirements?

• How often?

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WEST Verification Process

• Procedure developed over 26 years• Job specific

• Regulations, standards, best industry practices

• Decide what is mandatory• Includes controls (hydraulic and electronic)

• This standard is one among several in the oil

industry

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Unintended Consequences?

• Consideration of reduced redundancy• Increased wellbore pressure testing

• Increased focus on repair work (non-

floaters)

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Issues

• Focus on asking questions• Considerations

• And the answer is . . . . . ?

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Manufacturing Standards

• Base (minimum) requirements• Compromises inevitable

• Consistent between manufacturers

• Gaps• Technology advances

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Maintenance Systems

• Centralized or decentralized?• Control vs optimization

• _____ BEST ways to maintain?

• Is more better?

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Repair

• Parts• RP 53 – “equal or better”

• Mix and match

• Buy out equipment• Upgrade (may not be available from OEM)

• Discontinued

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Wrap-up

Compliance related answers will vary byproviders

• What is minimum standard?

• and are we happy with minimum?

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For more information, please contact:

Jeffry P. Sattler, P.E.Sr Vice President, Engineering

WEST Engineering Services907 Bains StreetBrookshire, TX 77423

T +1 (281) 375 5515

E [email protected] w www.westengineer.com

The materials contained herein are summary in nature, subject to change and intended for general information only.Lloyd’s Register is the trading name of the Lloyd’s Register Group of entities. Services are provided by members of the Lloyd’s RegisterGroup. For further details, pleas e see our website: http://www.lr.org/about_us/our_Group/index.aspx.