Manually mining coal underground

Since last I wrote I have travelled to London and then up North into southern Scotland (I write this looking down at the station in Dumfries...

Carbon Sequestration sites and their success

There are a number of questions on the ease with which carbon dioxide can be sequestered underground, and I alluded to some of them in yeste...

T6. More on early coal mining

In the last Tech Note I wrote about harvesting coal along the coast, and then the shallow workings that became the first underground mining...

SEC Rules Changes for Oil & Gas Reserves

Yesterday I was talking about the calculation of reserves for coal mines, and the calculation of what a reserve holds is a critical part of ...