Nov 8 (Reuters) - Trafigura on Friday said

it signed a long-term natural gas agreement with Canadian

natural gas producer NuVista Energy Ltd. ( NUVSF ).

Under the agreement, NuVista will supply 21,000 metric

million British thermal units per day (MMbtu/d) of natural gas

to Trafigura with the purchase price indexed to the Japan Korea

Marker (JKM) for a period of up to 13 years beginning January 1,

2027, the company added.

(Reporting by Anushree Mukherjee and Sherin Varghese in

Bengaluru)