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Unformatted text preview: r 4-Apr 4-Apr 5-Apr 6-Apr 7-Apr 8-Apr 9-Apr Depth 17,007 - 17,321 17,321 - 17,835 17,835 - 17,909 17,909 - 18,195 18,215 - 18,250 18,260 18,360 MW 14.3 14.5 14.3 14.3 14.4 14.0 14.0 14.0 14.0 14.0 Open Hole Interval below 9 7/8-in Liner @ 17,168 - FIT 15.98 PP 13.9 Losses PP Remarks 17,168 FIT 16.22 PPG 233 bbls 17,723 - GeoTap 14.15 ppg (PP) 12.58 @ 18,089 639 bbls 1263 - Total 1586 - Total Schematic - 12.6 ppg at 18,066 Lost full returns Hydrocarbon Zones 17,684 - 17,693 M-57C 14.1 PPG 17,786 - 17,791 M-56A 13.1 PPG 18,061 - 18,223 M-56E 12.6 PPG called TD Figure 2 ‐ Drilling margin data from IADC reports and BP Daily Reports BP continued drilling until it concluded it had run out of drilling margin between mud weight and formation pore pressure. Robert Bodek, BP Geological Operations Coordinator, emailed Michael Bierne, another BP employee, on April 13, 2010, and explained the reasons why BP concluded that it had run out of drilling margin at 18,360 feet. He said that the team decided to stop drilling because it had become “a well integrity and safety issue.” 66 The email also states: We had one major problem however: the sand that we...
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This note was uploaded on 01/18/2014 for the course BEPP 305 taught by Professor Nini during the Fall '11 term at UPenn.

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