HPVs – The leaking gas industry infrastructure that is being kept secret
Co-authored by Shay Dougall – Molliwell and Johanna Evans – NWPA What is a high point vent (HPV)? Gas and water is extracted from the coal seam via the gas well. The gas and water are separated at the well head and are transported in separate buried high-density polyethylene (HDPE) pipelines to the gas processing … Read more