Formation and distribution of heavy oil and tar sands in China

The effect of biodegradation on steranes and terpanes in crude oils

Wolfgang Seifert, J. Michael Moldowan · Geochimica et Cosmochimica Acta · 1979 · 637 citations

Life Sciences, Biochemistry, Biochemical Engineering +9

Compositional changes and fractionations during the degradation of hydrocarbons by bacteria

Wolfgang Stahl · Geochimica et Cosmochimica Acta · 1980 · 122 citations

Life Sciences, Biochemistry, Microbiology +12

Crude oil degradation as an explanation of the depth rule

Leigh C. Price · Chemical Geology · 1980 · 35 citations

Engineering, Earth Sciences, Petroleum Engineering +10

GEOLOGICAL SYNTHESIS OF THE ORINOCO OIL BELT, EASTERN VENEZUELA

Andreina Isea · Journal of Petroleum Geology · 1987 · 17 citations

Natural Sciences, Earth Sciences, Geology +11

THE ORINOCO OIL BELT, VENEZUELA

Aníbal R. Martínez · Journal of Petroleum Geology · 1987 · 16 citations

Engineering, Earth Sciences, Petroleum Engineering +7