** Shares of Noble Helium NHE.AX jump as much as 40.5% to
A$0.260, hitting their highest level since Oct. 31
** Stock currently up 29.7%, on track for best day ever if
gains hold
** Helium explorer says maiden drilling project at offshore
project in Tanzania successfully completed, which points to
further more helium reserves
** More than 14.6 mln shares change hands, 5.6x the 30-day
average volume of 2.6 mln shares
** Stock has risen 19.4% this year, as of last close
(Reporting by Shivangi Lahiri in Bengaluru)
((Shivangi.Lahiri@thomsonreuters.com;))