Ok, just rang the company in relation to these questions... once get any response will post here.
From memory, last AGM it was mentioned that other holes in Backreef should cost much less (i think approx. 0.8-1 mill), as drilling rig will be much cheaper - not the deep drilling one, and to get to 1000 meters can be done within lesser days drilling.
For BRU, i believe, option starts after OBL can prove reserves in Backreef.
May be I mistaken as did not fallow OBL too close for last few months.
OBL Price at posting:
3.2¢ Sentiment: Hold Disclosure: Held
