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Project Acronym: CBAY | State: Completed | Expedition ID: 5001

ins.: 2005-10-10 22:00, 20 yrs ago
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Category: ChesapeakeBay
ChesapeakeBay

ChesapeakeBay: 2005-10-11

Drilling problems have continued in the lower part of ...
Cretaceous red clays in the Exmore breccia.

Drilling problems have continued in the lower part of the Exmore breccia through October 11. Blocks of Cretaceous red clay continue to slide or expand into the drill hole, requiring repeated reaming in the same intervals, repeated loss of mud circulation, and an inability to return to the bottom of the hole. A new drilling strategy will be determined in the coming days to address these problems.