Found a few small pieces of research regarding the US version (NASDAQ:SNDE).
Keep in mind these are 1:10 plus quoted in USD when comparing to the ASX:SEA version
eg 1 SNDE = US$3.02 so divide by 10 and convert USD to AUD to compare
17 Feb
Seaport Global Securities lift their FY2018 EPS for SNDE
https://pressoracle.com/news/2019/02/17/analysts-offer-predictions-for-sundance-energy-ss-fy2018-earnings-snde.html
21 Feb
SunTrust Banks Brokers Lower Earnings Estimates for SUNDANCE ENERGY
https://www.fairfieldcurrent.com/news/2019/02/21/suntrust-banks-brokers-cut-earnings-estimates-for-sundance-energy-s-snde.html