Evolution of temperature, maturation level and realization of hydrocarbon potential in subtrappean sedimentary complex of the Bombay offshore – Results of 1-D basin modelingстатья
Статья опубликована в высокорейтинговом журнале
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Дата последнего поиска статьи во внешних источниках: 11 января 2016 г.
Аннотация:The modified GALO program package for basin modeling is used to calculate the temperature
and vitrinite reflectance distributions with depth at any time before, during and after the Decan Trap
formation. An assessment of hydrocarbon generation by kerogen of type III is carried out for burial
history of probable source rocks in the subtrappean sedimentary complex of the western passive
margin of India near the Bombay offshore. Duration of trap formation is most critical and indefinite
parameter in construction of maturity aureole in the subtrappean sedimentary complex. The analysis
in the frame of the model of continuous formation of traps suggests that a maturation level of organic
matter in sedimentary rocks under the trap depends strongly on duration of the trap formation. Even
for traps thickness of 1.5 km or more, maturity level of organic matter in the rocks located on the 100 -
500 m below the base of the trap can be rather moderate if the trap has been formed over fairly a long
time.