Your welcome. Remember of course they are 1 posters opinion - so take it how it was presented - certainly open to interpretation and error.
BTW just a general research paper on global oil economics and Gov't take.
Page 53 is quick summary for Thailand
https://research.standardchartered.com/configuration/ROW%20Documents/Global_crude_oil__A_compass_for_fiscal_change_15_11_12_10_15.pdf