Difference between revisions of "Relationships between maturity and hydrocarbon generation"

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Different types of [[kerogen]]s convert to hydrocarbons at different rates, and they yield different quantities of various hydrocarbon phases. Therefore, one standard relationship between a measured maturity parameter and hydrocarbon generation does not exist. Values such as 0.6% [[vitrinite reflectance]] (R<sub>o</sub>) are generally associated with the onset of oil generation or indicate the top of the oil window. However, this generality applies only if a [[source rock]] is composed of pure [[Kerogen types|type II organic matter]] (marine kerogen).
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Different types of [[kerogen]]s convert to hydrocarbons at different rates, and they yield different quantities of various [[hydrocarbon phase]]s. Therefore, one standard relationship between a measured maturity parameter and [[hydrocarbon generation]] does not exist. Values such as 0.6% [[vitrinite reflectance]] (R<sub>o</sub>) are generally associated with the onset of oil generation or indicate the top of the oil window. However, this generality applies only if a [[source rock]] is composed of pure [[Kerogen types|type II organic matter]] (marine kerogen).
  
  

Revision as of 13:48, 25 April 2014

Exploring for Oil and Gas Traps
Series Treatise in Petroleum Geology
Part Critical elements of the petroleum system
Chapter Evaluating source rocks
Author Carol A. Law
Link Web page
Store AAPG Store

Different types of kerogens convert to hydrocarbons at different rates, and they yield different quantities of various hydrocarbon phases. Therefore, one standard relationship between a measured maturity parameter and hydrocarbon generation does not exist. Values such as 0.6% vitrinite reflectance (Ro) are generally associated with the onset of oil generation or indicate the top of the oil window. However, this generality applies only if a source rock is composed of pure type II organic matter (marine kerogen).


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