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Monday 12 November 2001 Sub-Sea Gas-Lift Session

Monday 12 November 2001 Sub-Sea Gas-Lift Session. 1. Chevron’s design philosophy (Ken Decker) 2. Equipment for GL in deepwater (Roger Stinson) 3. Reducing well-test deferments (Philip Holweg) 4. GL as back-up of ESP lifted wells (Eric Lovie/ Philip

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Monday 12 November 2001 Sub-Sea Gas-Lift Session

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  1. Monday 12 November 2001 Sub-Sea Gas-Lift Session 1. Chevron’s design philosophy (Ken Decker) 2. Equipment for GL in deepwater (Roger Stinson) 3. Reducing well-test deferments (Philip Holweg) 4. GL as back-up of ESP lifted wells (Eric Lovie/ Philip Holweg) Sub-Sea GL Panel Session (Wim der Kinderen) Shell UK Exploration and Production

  2. How can we eliminate or alleviate limitations of sub-sea gas-lift ? Shell UK Exploration and Production

  3. Subsea Gas-Lift Issues • Expensive well entries • Compromised lift depth • Compromised injection port size • Gas-lift optimisation is difficult but critical • Limited or no survey and well test data available • Subsea GL flowmeters are unreliable • GL flow control is effectively choke position control • Unloading valve failures are difficult to identify • Cold lift gas may cause hydrate problems • Leaking check valves jeopardise well integrity Shell UK Exploration and Production

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