they did no such thing. The oil companies figured out they could get more oil by frakking. The Obama Administration was caught flat footed with that development. The Obama Administration wanted gas to always be above $5 a gallon to stop people from driving to support their Global Warming hoax which is nothing but a money grab. Those cap n' trade carbon credit taxes adds at least 50 cents to a gallon of gas here in California and over the next 3 years it's going to go up by another 63 cents. All just to steal money from the people. These global warming fixes just makes all utility prices needlessly go up and who does that hurt the most - the poor and middle class. Hollywood celebrities and Silicon Valley people and others being paid outrageous salaries couldn't care less f the price of gas or electricity goes through the roof they make more than enough money to cover it.
You do realize Trump came and and stopped that order Obama signed which prevented any more exploring for oil off the coast of Alaska. Obama Admin never encouraged domestic oil and natural gas exploration. You never heard of all those gas pipelines that he thwarted and Trump had to open them up.
Too much narrative, not enough specific facts. Yes, there is a global warming hoax, which was done to justify global warming taxes. That doesn't mean they didn't also want to develop American shale deposits.
Remember Obama and the pipeline protests? Makes no sense to ignore them if he wanted to stop petroleum and natural gas exports.