Second Strike? Investor eyes trained on Perth Basin tie-up Save Share The West Erregulla-2 gas discovery in Western Australia. Thatâs the question on investorsâ lips when it comes to Western Australiaâs Perth Basin, which is expected to become Australiaâs main onshore gas production hub in the next few years. The basin is home to a bunch of ASX-listed resources outfits â as well as Japanese giant Mitsui â which have interests in gas discoveries like Waitsia and Beharra Springs. Among the ASX-listed players are perennial dream deal candidates â and investment bank pitchbook stalwarts â Strike Energy and Warrego Energy, which are both developing the West Erregulla gas discovery via a 50/50 joint venture.