![](https://www.ciphercoal.com/wp-content/uploads/2013/05/Fig.-11-300x248.jpg)
It’s always surprising to be caught out by an assumption. In this case I was writing a first draft of a paper on the effects of rank change (that is, change in organic maturation) on a coalbed methane reservoir. The study area, known locally as the Pinang Dome, is located in Kalimantan (Borneo), Indonesia. […]