Zero Visibility Operations Planning - DrillSafe

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Zero Visibility Operations Planning - DrillSafe

Zero Visibility Operations Planning - DrillSafe

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Seabed Survey<br />

Water Depth ~98m LAT<br />

Petrel 7<br />

Water Depth ~94m LAT<br />

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Petrel Field Location 4

Seabed Survey Water Depth ~98m LAT Petrel 7 Water Depth ~94m LAT 5

Page 1 and 2: Petrel-7 Zero Visibility Operations
Page 3: What Causes Zero Visibility at Petr
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 and 24: Multi-Beam Sonar • Initial result
Page 25 and 26: Actual Results - Running Casing 25
Page 27 and 28: Acoustic Inclinometers • Inclinom
Page 29 and 30: Lessons • Allow time to field tri