Molecular parameter data for oil–oil and oil–source rock correlations
Exploring for Oil and Gas Traps | |
Series | Treatise in Petroleum Geology |
---|---|
Part | Critical elements of the petroleum system |
Chapter | Oil–oil and oil–source rock correlations |
Author | Douglas W. Waples, Joseph A. Curiale |
Link | Web page |
Store | AAPG Store |
Molecular parameters are based on the presence or on the relative or absolute abundance of specific molecules in an oil or a source rock extract.
Molecular parameters are the most powerful of all correlation tools because of the precision of the information they convey and the large amount of data that can be obtained. In addition to correlating an oil directly to another oil or to a source rock extract, certain molecular parameters can be used to estimate ages of oils. This capability is valuable in initiating the search for a source rock to correlate with a particular oil.
Geochemical techniques
Data about molecular parameters are obtained by the following geochemical techniques:
- Gas chromatography (GC)
- Gas chromatography/mass spectrometry (GC/MS)
- Pyrolysis gas chromatography (Py–GC)
- High-performance liquid chromatography (HPLC)
GC/MS is the most important technique because it provides abundant, highly specific data.
See also
- Gas chromatography: data obtained
- Gas chromatography/mass spectrometry (GC/MS): procedures
- Organic compounds: environmental indicators
- Gas chromatography/mass spectrometry (GC/MS): examples of correlations
- Gas chromatography/mass spectrometry (GC/MS): limitations