Fascinating.
That we have had how many news reports from our local paper on this incredible technology from Shell Oil?
Technology developed right here in our own backyard?
Two?
Congrats to Shell Oil on their major progress up on the Piceance Basin.
John Colson:
"The company has been working on its own privately held land in the Piceance Basin since 1996, Tucker said.
Historically, the methods used to extract the kerogen have involved mining the ore in which it is contained, transporting the ore to a “retorting” or heating plant to liquefy the kerogen and extract it from the rock, then refining the liquid for later use.
Shell has developed a number of technological innovations, including an in-situ method that involves heating the rock in place, underground, and piping the resulting flow of oil up to the surface.
Shell also is working on a “freeze-wall” technology. This method surrounds the area to be heated with a wall of supercooled rock, to prevent contamination of nearby groundwater resources while the extraction process is underway.
Tucker said the 1,700 barrels of extracted oil came from a plot that was 30 feet by 40 feet at the surface, and roughly 1,800 feet deep, on Shell property.
The process, she told reporters, employed an “in-situ conversion” technology that sinks heating elements into the ground and heats the kerogen-rich rock layers to 260 degrees Fahrenheit. The kerogen is converted from its original solid form to liquid and gas, which flow to the surface.
The freeze-wall was used to isolate the process from the surrounding subterranean region, Tucker said...."
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