International cooperative research in Alaska
JOGMEC with USA agencies (The US Department of Energy’s (DOE) National Energy Technology Laboratory (NETL) and the U.S. Geological Survey (USGS)) drilled an initial test well within the Prudhoe Bay Unit (PBU), on the Alaska North Slope in December 2018.
The second offshore production test（Gas production test）April –July, 2017
The second offshore production test（Preparatory drilling）May –June, 2016
The first offshore production test（Gas production test）January – March, 2013
The world’s first extraction of gas from offshore deposits of methane hydrate.
The first offshore production test（Preparatory drilling） February – March, 2012
The first onshore production test in Canada 2007 – 2008
MH21 confirmed the effectiveness of the gas production method from the methane hydrate layer by the " depressurization method ".