| 8752904 |
Heated fluid flow in mines and tunnels used in heating subsurface hydrocarbon containing formations |
David Booth Burns, Horng Jye (Jay) Hwang, Duncan Charles MacDonald, Robert George Prince-Wright |
2014-06-17 |
| 8636323 |
Mines and tunnels for use in treating subsurface hydrocarbon containing formations |
Robert George Prince-Wright, Horng Jye (Jay) Hwang, Duncan Charles MacDonald, David Booth Burns |
2014-01-28 |
| 8562078 |
Hydrocarbon production from mines and tunnels used in treating subsurface hydrocarbon containing formations |
David Booth Burns, Horng Jye (Jay) Hwang, Duncan Charles MacDonald, Robert George Prince-Wright |
2013-10-22 |
| 8177305 |
Heater connections in mines and tunnels for use in treating subsurface hydrocarbon containing formations |
David Booth Burns, Horng Jye (Jay) Hwang, Duncan Charles MacDonald, Robert George Prince-Wright |
2012-05-15 |
| 8172335 |
Electrical current flow between tunnels for use in heating subsurface hydrocarbon containing formations |
David Booth Burns, Horng Jye (Jay) Hwang, Duncan Charles MacDonald, Robert George Prince-Wright |
2012-05-08 |
| 8162405 |
Using tunnels for treating subsurface hydrocarbon containing formations |
David Booth Burns, Horng Jye (Jay) Hwang, Duncan Charles MacDonald, Robert George Prince-Wright |
2012-04-24 |
