The Supreme Court will not consider an appeal by former West Virginia coal mining executive Don Blankenship, who was convicted and served jail time for attempting to violate federal mine safety standards after the death of 29 miners.

Blankenship, the former CEO of Massey Energy, was convicted in 2015 and served a one-year jail sentence for the 2010 disaster at the Upper Big Branch Mine.

The former coal executive says he is innocent and that the policies of former President Barack Obama led to his conviction. He was convicted of conspiring to thwart federal mine safety standards.

The federal appeals court in Richmond rejected Blankenship's appeal in January, which forced him to turn his attention to the Supreme Court.

Blankenship even wrote to President Trump in May before petitioning the Supreme Court to hear his case.

"We share relentless and false attacks on our reputation by the liberal media," Blankenship wrote in his letter to the president. He said the attacks on his reputation "have been relentless since 1985," and that he has been a champion for mine safety, not an opponent.

The former CEO said he hoped that he and Trump could work together to "improve coal miner safety," saying he was confident that the president would "put aside the media's false claims about me and help me expose the truth of what happened at the Upper Big Branch coal mine in West Virginia on April 5, 2010."