** Shares of Invictus Energy Ltd IVZ.AX rise as much as
10.3% to A$0.16, set for best day since Aug. 17 if gains hold
** Oil and gas explorer says it has seen positive signs from
drilling at Mukuyu-2 well at Cabora Bassa Project in Zimbabwe
** Says elevated mud gas readings, up to 70 times above
background levels, encountered in Upper Angwa primary target
reservoirs
** Says higher total background gas observed in Mukuyu-2
along with heavier hydrocarbons in mud gas increasing with depth
** Stock down 50% YTD, based on last close
(Reporting by Aaditya Govind Rao)
((Aaditya.GovindRao@thomsonreuters.com;))