The Law of Detachment: 1) Allow yourself and others the freedom to be who they are. 2) Do not force solutions - allow solutions to spontaneously emerge. 3) Uncertainty is essential, and you path to freedom.
The extraction tax is based in part on production times the market value at the wellhead, so any downturn in the market price is going to be a mathematical impact on the shale tax. But beyond that, it also concerns me because it also impacts the health of the industry.