** Aussie energy index  .AXEJ  retreats as much as 2.4% to
mark their worst week since Dec. 25 as oil dips further on
concerns of fresh COVID-19-related restrictions in China
    ** Lockdowns in the world's biggest oil importer could lower
crude demand  O/R 
    ** Leading losses on the sub-index, Washington H. Soul
Pattinson  SOL.AX , which recently withdrew its offer to buyout
Regis Healthcare  REG.AX , slides as far as 4.6%
    ** World's largest independent oil producers Santos  STO.AX 
and Woodside Petroleum  WPL.AX  decline 3.7% and 2.3%
    ** Oil and gas explorers Beach Energy  BPT.AX  and Oil
Search  OSH.AX  fall around 3% each 
    ** The sub-index has fallen 1.2% so far this week, and is
set to snap a two-week gaining streak
    ** AXEJ has risen 13.3% this year vs a 3.6% gain in the
benchmark S&P/ASX 200 index  .AXJO 

 (Reporting by Yamini C S)
 ((Yamini.CS@thomsonreuters.com;))