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SPE 007

Regional Evaluation of the Coal Bed Methane Potential in the Plains and Foothills of Alberta, Stratigraphy and Rank Study

Abstract: The coal resource in place in Alberta is tremendous by whichever estimate is used. One such zone, the Paleocene Ardley coal zone, has calculated resources in the order of 425 gigatonnes along a 250-mile (400 kilometre) subcrop and dipping, to more than 2950 feet (900 m) depth, 90 miles (150 km) southwest into the Alberta Syncline. The geologic model developed for the Ardley Coal zone involves a continental setting in an alluvial plain environment characterized by widespread peat swamps that were far removed from marine conditions. Due to extremely low relief, relatively rapid subsidence and sediment starvation, thick and extensive peaks developed. In general the seams thicken and more seams are present with increasing depth. These deeper coal resources may contain large volumes of gas. Place Keywords 72e 72l 72m 73d 73e 73l 73m 74d 74e 82g 82h 82i 82j 82n 82o 82p 83a 83b 83c 83d 83e 83f 83g 83h 83i 83j 83k 83l 83m 83n 83o 83p 84a 84b 84c 84d 84e 84f 84g 84h Theme Keywords coalbed methane plains region

Rottenfusser, B.  Langenberg, C.W.  Mandryk, G.B.  Richardson, R.J.H.  Fildes, B.J.  Olic, J.  Stewart, S.A.  Eccles, D.R.  Evans, C.  Spelrem, M.  Sprecher, B.  Brulotte, M.  Gentzis, T.  Wynne, D.A.  Yuan, L.P.  1999-02-01