The Petroleum System Blog

By Andrew Murray "Top Down" petroleum systems analysis (TDPSA) includes petroleum geochemistry and, specifically, the process know...

This is my first home made capillary seal experiment. The setup is a 1/2 in burette filled glass beads of different sizes. 4 mm diameter col...

First let’s estimate the maximum rate of  oil generation in a geological setting. Lets take a very good source rock, with an S2 yield of 30 ...

This may be the most controversial one I have ever posted. In this post I would like to challenge the widely accepted theory that over-press...

First this paragraph from George Box on " All models are wrong ", " Since all models are wrong the scientist cannot obtain a ...

We often observe petroleum accumulations in association with faults, especially in deltaic systems (Gulf coast, Niger delta, Mahakam delta, ...

This post compiles some of the images from my recent posts on LinkedIn, to show the important role capillary pressure plays in petroleum mig...

 As a source rock begins to generate oil and gas, the generated HC fluid cannot just leave the source right away, it will first need to satu...

Fluid phase (oil, gas, oil and gas) in traps are usually not what the source rock has made through maturation process, and often far differe...

I came across this phase diagram recently and like to explain what I see. What is this fluid, what are the likely properties, and what geolo...