Fishing for 26" Bit

Evening all.

Just had a 26" bit back off a 36" H/O BHA. We drilled the 26" to +/-300m & were under-reaming to 36" at +/-220m when we got the dreaded drop in SPP. 
Interestingly, the bit is wedged at an angle at 220m. We've attempted to re-engage with the bit-sub - no joy. LIB is a little unclear but appears to show the edge of the lug, so the bit is tilted in the hole.
Current options we're thinking of include:
1) Making some toothed-washover-pipe-type tools with 26" casing.
2) Hammer the thing to bottom with mills & re-try with home-made tools
3) One of the fellas here has heard tell of explosives being used to break up large fish like this, prior to fishing with either washover pipe or RCJB.

Don't really want to consider the nuclear option of a re-spud.
Be very interested in ideas, experience on this.
Thanks  

3 Answer(s)

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