PERMFILE67351 - Laserfiche WebLink

Home Browse Search

West Elk Mine • the mine from the channel sandstone, splay deposits, or fractures. This suggests only that the E Seam coal is apparently dry in the areas developed to date. • Table 6 Summa of Slu Test Datairi Geologic Unit Screened Interval Transmissivity Permeability Permeability Well No. Tested d/ft. tl/ftz cm/sec A-1 Colluvium 66 -- -- A-2 Alluvium 1234 A-3 Colluvium 59 - -- SOM-1-H Barren Member 600 6.67 3 x 10 SOM-22- Barren Member Sandstone, Shale & Coal 2283 - -- H-1 SOM-38- Boren Member Sandstone & Shale 49.5 1.1 5 x 10 H-1 SOM-38- Barren Member Sandstone & Shale 0.4 0.004 2 x 10- H-2 SOMAS- Barren Member Sandstone -- - -- H-1 SOM-45- Boren Member Sandstone, Shale & Coal 1.56 -- -- H-2 SOM-80 Barren Member Sandstone & Shale 0.52 0.006 3 x 10- 03-11-1t3i E Seam Coal -- - 5 x 10's SOM-2-H F Seam Coal 0.028 - -- SOM-16 F Seam Coal - -- -- SOM-23- B Seam Coal 15.6 1.04 5 x 10 H-1 SOM- F Seam Coal 61 4.1 2 x 10 C76A SOM-127- B Seam Coal 3.3 0.083 4 x 10 Ht"~ SOM- B Seam Sandstone Above B Seam 9.01 0.19 0.042 9 x 10 2 x 10 C72t"~ Footnotes: (1) See also Exhibit 17 (2) Permeability calculated from transmissivity unless otherwise noted (3) Permeability calculated using a rising head permeability test (4) Permeability calculated by the Hvorslev Method (5) Calculated from the first 14 points of the slug test data 6 Calculated from the last 6 oints of the stu test data Barren Member (Mesaverde Formation) The Barren Member of the Mesaverde Formation was so named because it does not contain any persistent coal seams. The formation is generally comprised of interbedded shales and lenticulaz sandstones with small, discontinuous coal seams with limited lateral extent. 2.04 -68 Revised November 2004 PRl0 -