SURFACE DETECTION OF RETORT GASES FROM AN UNDERGROUND COAL GASIFICATION REACTOR IN STEEPLY DIPPING BEDS NEAR RAWLINS, WYOMING
Victor T. Jones and Howard W. Thune
Presented at the 57th Annual Fall Technical Conference and Exhibition of the Society of Petroleum Engineers of AIME, New Orleans, LA, Sept. 26-29, 1982



Figure 6. Methane flux sites 1 and 2