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Project Acronym: DSDDP | State: Completed | Expedition ID: 5017

ins.: 2010-12-15 22:00; ( Age: 13 yrs )
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Category: Dead Sea
Dead Sea

Dead Sea: 2010-12-16

Well, we moved to the second hole (Hole B) and ...
The drill pipes from the bottom of Hole B. The bottom pipe is normal, while the top one has been sheared clean at the weld leaving the bottom-hole assembly somewhere beneath the sub-surface of the Dead Sea

Well, we moved to the second hole (Hole B) and started coring. The first HPC shot somehow bent the inner-tube of the tool so the drillers switched to the Alien. Recovery has been bad. Out of 21.3 m drilled, only 4.2 were recovered. Beau suggested that chunks of hard salt may be getting caught in the bottom of the pipe (at the drill-bit) causing it to act like a solid bit rather than a coring tool - i.e. it is just drilling away at the muds and clays, without allowing any material to enter the plastic liner. The night shift called to say that they could not latch on to their tool. After tripping up, it was discovered that a weld broke and the entire bottom-hole assembly was lost in the hole. On to Hole C...