Another abbreviation question

Alright folks, after much googling & general searching about, I still can't figure out what CBU stands for. As in the following SONRIS well update, for context: DRILD TO 19063'; CBU; POOH TO LOG

Clarification/explanation of CBU would be helpful. Thanks!

~Snoopy~


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Replies to This Discussion

Permalink Reply by Les Bamburg on April 3, 2012 at 9:11

Snoopy - "Circulate Bottoms Up"

Permalink Reply by Snoopy on April 3, 2012 at 9:36

Terrific! Thanks, Les. What does that mean in terms of the drilling process, now that the well has almost reached total depth?  

~Snoopy~

Permalink Reply by Joe Aldridge on April 3, 2012 at 11:00

Snoopy,

This means that they wanted to make sure that all of the drill cuttings were circulated out of the hole before they did the log. They wanted a clean hole.

Permalink Reply by Snoopy on April 3, 2012 at 12:39

I can understand that. Thank you, Joe!

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