Tag Archive: Chattanooga


America’s Freedom Watcher

 

 

 

What is Oil Shale? 

” 1) U.S. western oil shale is carbonate rock, 
generally marlstone that is very rich in organic 
sedimentary material called “kerogen.” Eastern 
shales are more often silica based. 

2) Oil shales are “younger” in geologic age than 
crude oil-bearing formations; natural forces of 
pressure and temperature have not yet converted 
the sediments to crude oil. 

3) Kerogen can be converted to superior quality jet 
fuel, #2 diesel, and other high value by-products. 

4 )The kerogen content of “oil shale” ore can range from 10 to 60 or more gallons of oil per ton. 
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Where is Oil Shale Found? 

1) The richest, most concentrated deposits are found 
in the Green River Formation in western 
Colorado, southeastern Utah, and southern 
Wyoming. 

2) Other significant, less concentrated deposits exist 
in the Devonian, Antrim, and Chattanooga shale 
formations in several eastern and southern states 
and parts of Alaska.
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How Much Oil Shale Does America Have?

1) America’s total oil shale resources could exceed 
6 trillion barrels of oil equivalent. However, most 
of the shale is in deposits of insufficient thickness 
or richness to access and produce economically. 
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How Much Oil Shale Could Be Recovered?

1) Potentially recoverable resources are generally 
deemed to be at least 15 feet thick and have 
potential yields of 15 gallons per ton or more.

2) Oil shale yields more than 25 U.S. gal/ton are 
generally viewed as the most economically 
attractive, and hence, the most favorable for 
initial development.

3) About 1.8 trillion barrels of shale oil are thought 
to reside in deposits greater than 15 gallons per 
ton in the Colorado, Utah, and Wyoming. 
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What is the Area of the Green River Formation? 

1) Oil shale underlies 17,000 square miles or 11 
million acres in the Piceance (CO), Uinta (UT), 
Green River, Washakie (WY), and Sand Wash 
(CO) Basins.

2) The Piceance Basin, which contains more than 80 
percent of the recoverable resources of the Green 
River Formation, underlies a 35 mile by 35 mile 
(1,225 sq miles) area of western Colorado.
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How Much Oil Shale Does America Have?

1) America’s total oil shale resources could exceed 
6 trillion barrels of oil equivalent. However, most 
of the shale is in deposits of insufficient thickness 
or richness to access and produce economically.
————————————————————– 
How Much Oil Shale Could Be Recovered? 

1) Potentially recoverable resources are generally 
deemed to be at least 15 feet thick and have 
potential yields of 15 gallons per ton or more.

2) Oil shale yields more than 25 U.S. gal/ton are 
generally viewed as the most economically 
attractive, and hence, the most favorable for 
initial development. 

3) About 1.8 trillion barrels of shale oil are thought 
to reside in deposits greater than 15 gallons per 
ton in the Colorado, Utah, and Wyoming. 

4) Green River Formation Oil Shale Deposits The thickest and richest resources have the greatest technical recoverability and economic potential. 
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Who Owns the Oil Shale Resources?

1) The U.S. Government owns and manages about 
73 percent of the lands that contain significant oil 
shale deposits in the west. Federal lands contain 
about 80 percent of the known recoverable 
resource in Colorado, Utah, and Wyoming.

2) As on 1978, private company ownership of oil 
shale lands in Colorado, Wyoming, and Utah 
totaled about: 
– 21 percent of the Piceance Basin (CO) 
– 9 percent of the Uinta Basin (UT) 
– 24 percent of the Green River Basin (WY) 
– 10 percent of the Washakie Basin (WY).

3) State governments and localities and Native 
American Tribes also own oil shale lands. 
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How Do We Know How Much Oil Shale Exists?

1) More than a quarter million assays have been 
conducted on core and outcrop samples for the 
Green River oil shale.

2) Results show that the richest zone, known as the 
Mahogany zone, is located in the Parachute 
Creek member of the Green River Formation. 
This zone can be found throughout the formation. 
Because of its relatively shallow nature and 
consistent bedding, the resource richness is well 
known, giving a high degree of certainty as to 
resource quality.
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How Do U.S. Oil Shale Resources Compare with 
other U.S. and Canadian Energy Resources? 

1) U.S. western oil shales are more concentrated on 
a resource per acre basis than Alaskan North 
Slope oil or Alberta’s tar sands.”

 

 

 

 

 

 

 

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