No, they are not the same. CBD oil or Cannabidiol oil is obtained from Cannabis sativa or marijuana, whereas copaiba oil is from the Amazonian copaiba tree trunk.
Neither of them possesses psychoactive compounds but have anxiolytic activity. But, CBD oil might be contaminated with the psychoactive principle, Tetrahydrocannabinol (THC). This happens if extraction is not done the right way. Pure copaiba oil doesn’t possess any such contaminants.