Comparing the emission reduction effectiveness of continuous monitoring to periodic Optical Gas Imaging surveys for methane emissions at oil and gas production sites

The authors declare the following as potential conflicts of interest. One of the authors (D.T.A.) has served as chair and is currently a member of the Environmental Protection Agency, Science Advisory Board; in this role, he is a Special Governmental Employee. D.T.A. has current research support from the National Science Foundation, the Department of Energy, the Texas Commission on Environmental Quality, the Gas Technology Institute, the Collaboratory to Advance Methane Science, Cheniere, EQT, the ExxonMobil Up-stream Research Company, Pioneer Natural Resources, Williams, and the Environmental Defense Fund. He has also worked on methane emission measurement and modeling projects that have been supported by multiple natural gas companies and the Environmental Defense Fund. D.T.A. has done work as a consultant for multiple companies, including British Petroleum, Cheniere, Eastern Research Group, ExxonMobil, KeyLogic, and SLR International. One of the authors (E.T.) has previously been employed by ExxonMobil, the Gas Technology Institute, ChampionX, and ConocoPhillips. E.T. has current employment with the Validere Technologies and the United Nations Environment Programme. One of the authors (C.S.) has previously interned with the Gas Technology Institute and ChampionX.