Re: WTI/NG ratio
In addition to all of the factors you covered, the continuing development of LNG capabilities will facilitate arbitrage of the disparate prices for NG is various parts of the world. This will help move the market’s WTI/NG ratio closer to the underlying 6:1 caloric ratio, although this 6:1 lower bound will probably never be reached. JMHO, FWIW
“The efficient-market hypothesis may be
the foremost piece of B.S. ever promulgated
in any area of human knowledge!”