@sarah4texas: Come along as we excavate zombie wells (old plugged and abandoned oil wells) to determine if they are leaking. Technology is amazing - were able to detect volatile gases migrating in microannulus channels in the cement outside of the surface casing. #LearnOnTikTok #Science #groundwater #cement #oilandgas #environmentalscience #geology #petroleum #zombiewells #firechristi #cvxblowout