Sentences with phrase «same microscopic holes»
Industry practice and academic research suggest that one third of the CO2 pumped underground stays there — trapped in the same microscopic holes in the rock that once held the oil — and two thirds comes back up with the petroleum.
https://www.scientificamerican.com/ Not exact matches
All the shells are perforated with a single hole, and the team's microscopic studies — as well as experiments with shells of the same species collected near the site — have suggested that they were punctured with a finely tipped bone point.