Zero Visibility Operations Planning - DrillSafe

04.01.2015 • Views

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Zero Visibility Operations Planning - DrillSafe

Zero Visibility Operations Planning - DrillSafe

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Mobile Transponder on 20” Casing<br />

• 1 x Mobile Transponder compatt installed on the 20” casing<br />

shoe – inverted to allow easy removal with the ROV.<br />

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Mobile Transponder on 20” Casing • 1 x Mobile Transponder compatt installed on the 20” casing shoe – inverted to allow easy removal with the ROV. 24

Actual Results – Running Casing 25

Page 1 and 2: Petrel-7 Zero Visibility Operations
Page 3 and 4: What Causes Zero Visibility at Petr
Page 5 and 6: Seabed Survey Water Depth ~98m LAT
Page 7 and 8: NW Field Seismic Main Line Multiple
Page 9 and 10: Impact of Environment on Operations
Page 11 and 12: Impact of Environment on Operations
Page 13 and 14: Solution Criteria • To overcome t
Page 15 and 16: Recommended Solution - Positioning
Page 17 and 18: USBL vs LBL • Ultra-short Baselin
Page 19 and 20: Operational Challenges • Deployin
Page 21 and 22: Installation of the LBL Array • B
Page 23: Multi-Beam Sonar • Initial result
Page 27 and 28: Acoustic Inclinometers • Inclinom
Page 29 and 30: Lessons • Allow time to field tri