Gas Production from Methane Hydrate Layers Confirmed
Japan Oil, Gas and Metals National Corporation (“JOGMEC”, Headquarter: Minato-ku, Tokyo, President: Hirobumi Kawano), which has been conducting preparation works for the first offshore production test off the coasts of Atsumi and Shima peninsulas, started a flow test applying the depressurization method and confirmed production of methane gas estimated from methane hydrate layers on March 12, 2013.
JOGMEC will start analyzing data while it continues the flow test.
Since this is a flow test of flammables, please do not approach to the site because of the safety reason.
Methane hydrate receives attention as one of the unconventional gas resources in the future. During the period from FY2001 to FY2008, which is Phase 1 of the “Japan’s Methane Hydrate R&D Program” (Program), seismic surveys and exploitation drillings were conducted at the eastern Nankai trough, off the coast from Shizuoka-pref. to Wakayama-pref., as the model area, where a considerable amount of methane hydrate deposits is confirmed.
In Phase 2 of the Program starting from FY2009, aiming to develop a technology to extract natural gas through dissociation of methane hydrate, this is the first offshore test ever conducted.
The first offshore production test is planned over a span of two years. In February and March last year, the preparatory works including drilling a production well and two monitoring wells were conducted. From June to July, the pressured core samples were acquired from methane hydrate layers. In this operation, a flow test through dissociation of methane hydrate is conducted after the preparatory works including drilling and installing equipments for the flow test.
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