|
2014
|
Invention
|
Using liquefied petroleum gas in a hot circulating fluid heater for in-situ oil shale retorting. ... |
|
2011
|
Invention
|
System for providing uniform heating to subterranean formation for recovery of mineral deposits. ... |
|
|
Invention
|
Conduction convection reflux retorting process. A sub-surface hydrocarbon production system compr... |
|
|
Invention
|
In situ method and system for extraction of oil from shale. A process for retorting and extractin... |
|
2010
|
Invention
|
In situ method and system for extraction of oil from shale. A system and process for extracting h... |
|
2009
|
Invention
|
Heater and method for recovering hydrocarbons from underground deposits. Heaters are presented to... |
|
|
Invention
|
Heater and method for recovering hydrocarbons from underground deposits. Heater embodiments are p... |
|
|
Invention
|
Carbon sequestration in depleted oil shale deposits. A method and apparatus are described for seq... |
