Light Hydrocarbons for Petroleum and Gas Prospecting
V.T. Jones, III, M.D. Matthews and D.M. Richers
Geochemical Remote Sensing of the Subsurface.  Edited by M.Hale
Handbook of Exploration Geochemistry, Vol. 7 (G.J.S. Govett, Editor)
©1999 Elsevier Science B.V. All rights reserved
Preprint


TABLE 5-I

Literature review of biogenic light hydrocarbon production (C1-C4)

Reference

Study

Coleman, 1979

Methane in glacial till gases: d13C1; C1/C2 > 1000

Davis and Squires, 1954

Cellulose, ethanol and sewage fermentation: C2-C-4 < 2 x 10-5%; C1/C2 > 105

Voytov et al., 1975

Swamp gases, glacial till gases, subsoil bacterial gases: C1 > 99%; C2-C4 <10-4%; C1/C2 >106

Kim and Douglas, 1972

Cellulose fermentation: C1 > 99%; C1/C2 > 500; C2-C4 <10-2%

Stahl, 1975

Bacterial gases: C1 >99%; d13C1 < -60%

Bukova, 1959

Anaerobic bacterial decomposition, soil gases, sewage, silt:C1 > 99%; C1/C2 >1000