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Progress in underwater gravity measurements

Progress in underwater gravity measurements. Mark A. Zumberge Scripps Institution of Oceanography Collaborators: Glenn Sasagawa ; Scripps Ola Eiken , Håvard Alnes , Torkjell Stenvold ; Statoil. Precision of gravity and pressure measurements. ROVDOG. ROV Deep Ocean Gravimeter (ROVDOG).

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Progress in underwater gravity measurements

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  1. Progress in underwater gravity measurements Mark A. Zumberge Scripps Institution of Oceanography Collaborators: Glenn Sasagawa; Scripps Ola Eiken, HåvardAlnes, TorkjellStenvold; Statoil Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  2. Precision of gravity andpressure measurements

  3. ROVDOG Mark Zumberge, Scripps Institution of Oceanography

  4. ROV Deep Ocean Gravimeter (ROVDOG) Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  5. ROV deployable • Mature: Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  6. Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  7. Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  8. Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  9. Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  10. Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  11. Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  12. North Sea reservoir monitoring projects with time-lapse gravity

  13. Repeatability (gravity) Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  14. Repeatability (height) Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  15. Troll results • Blue: gravity increase • Red: gravity decrease Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  16. Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  17. Gravity change including Ty signal Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  18. Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  19. Sleipner results Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  20. Sleipner bench-mark layout Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

  21. Conclusions • 4D gravity observations are capable of resolving gravity changes of 5 μGal or less • 4D gravity observations, when used in conjunction with 4D seismic images, can provide unique information on reservoir evolution • Cost is relatively low • Technology is mature and well understood Gravity and Magnetic Technologies Applied to Oil and Gas Field Drilling, Development, and Production 

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