THE COALBED METHANE POTENTIAL OF THE SANTA TEREZINHA COALFIELD, RIO GRANDE DO SUL, BRAZIL

WOLFGANG KALKREUTH, MICHAEL HOLZ

Resumo


Coalbed methane is a worldwide exploration target in the petroleum industry and is currently produced economically from a number of coal basins in the United States. In Brazil, coal measures occur in the southern Paraná Basin with proven coal resources in the order of 32 Billion tons. Based on coal distribution, reservoir depths and coal rank, the Chico Lomã and Santa Terezinha Coalfields in Rio Grande do Sul appear to be the prime candidates for coalbed methane exploration in this country. Preliminary results on the evaluation of coalbed methane in the Santa Terezinha Coalfield suggest that there may be as much as 19 Billion m3 coalbed methane in the coalfield, based on the distribution of the 3 major seams at a depth level ranging from 400 to 950 m.

Palavras-chave


Paraná Basin; Brazil; Coalbed methane.

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