The fall - off in exploration spending has also drastically reduced exploration costs, and made high - quality exploration staff and contractors readily available for the first time in many years. (criticalinvestor.eu)
For example, according to the 2016 WEO, the NPS comprises 190 billion barrels not needed in the 450 scenario, potentially wasting $ 200bn in exploration costs, not to mention lost revenues. (carbontracker.org)
Similarly, high exploration costs deterred explorers from seeking out new sources of zinc supply. (theaureport.com)