An employee of a natural gas well service company was knocked unconscious by hydrogen sulfide gas. He fell into a water tank and drowned. He had been trying to get a sample of the liquid produced by a swab removing water from the gas well. Ordinarily this test is done by using a spout on the water tank, but the spout was frozen shut. Instead of removing the spout from the flow line, steaming it open and reinstalling it, the worker took a common shortcut. His body was found in the tank, and it appears he fell from either the […]