August 2005
Supplement

05-08_buried-Finkelstein_T1.htm (Aug-2005)

A monthly magazine offering industry news, statistics and technical editorial to the oil and gas drilling, exploration and production industry.

 

   TABLE 1. Samplng of North America’s hydrocarbon depositsand related biogenic methane potential   
   Name of substrate   Amount of 
 substrate, 
 Bbbl* or BST* 		  Equivalent 
 methane 
 substrate in 
 place, Tcf 		  Methane at a 
 1% conversion 
 factor (CF), Tcf 		  Number of yrs. 
 of 23 Tcf/yr. 
 US gas supply 
 at a 1% CF 		   
  
  
   US residual crudein all states   262 Bbbl       925       9  0.4   
   Powder River basincoals, Mont./Wyo.,
   no min. thick. Cutoff		 1,300 BST    8,638     86  3.8   
   North Dakota lignite   351 BST    2,069     20  0.9   
   Texas lignite     59 BST       359      3  0.2   
   Illinois basin coal   365 BST    2,740     27  1.2   
   San Juan basin coal    358 BST    2,593     25  1.2   
   Piceance basin coal   289 BST    2,229     22  1.0   
   Northern Appalachia coal   352 BST    3,430     34  1.5   
   Alaska coal, no min. thickness cutoff 5,500 BST  36,213    362 15.7   
   Devonian/Ohio shale kerogen   420 BST   8,713      87  3.8   
   Antrim Shale kerogen   877 BST  18,429    184  8.0   
   New Albany shale kerogen   716 BST  14,817    148  6.4   
   Canadian “Tar sand” bitumen 1,425 Bbbl    5,065      51  2.2   
  
  
   Total methane potential 106,220 Tcf 1,063 Tcf 46.3   
   *Billion barrels (Bbbl); billion short tons (BST)   
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