windows of eagle ford
Post on 20-Dec-2015
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Eagle Ford Shale What: A hydrocarbon
producing formation of shale.
Where: South Texas Shale: Fine grained
sedimentary rock.
Products of Eagle Ford 3 Products: Oil, Natural Gas, & Condensate
Source: Texas Rail Road Commission 2015
Crude Oil
Naturally occurring, FINITE resource. Liquid that is yellow-black in color &
made up of hydrocarbons. Formed when large quantities of dead
organisms are buried under sedimentary rock and put under high heat & pressure.
Crude Oil Classification: Location, API Gravity, &
sulfur content. Location: Affects transportation costs to
refinery. API Gravity: Measure of density. Light
crude oil will yield more gasoline than heavy crude oil. (Higher API Gravity=Less Dense Liquid)
Sulfur Content: Sour vs Sweet Oil. Sweet oil is more costly b/c its less harmful to the environment.
Natural Gas
Fossil fuel formed when plants & animals have been exposed to high heat & pressure for thousands of yrs.
Clean burning and regarded as very safe.
Primarily methane, ethane, propane, and butane. (Typically)
Condensate 1 of over 100+
grades of crude oil Generally, oil that
condenses from a vapor when extracted from high-pressure environments.
“Ultra-light Oil” found in shale regions. (TX&PA)
Source: Wikipedia “Natural Gas-Condensate”, 2015
Condensate No consensus on the definition of
condensate. Classified by its API Gravity. Condensate is classified by an API
Gravity of 45+
Question 1 What does API Gravity measure & what’s its
relationship w/ density?
1. Color of product. Higher API Gravity = Darker Color
2. Density. Higher API Gravity = Less dense liquid3. Density. Higher API Gravity = More dense liquid4. Sulfur Content. Low API Gravity = Less sulfur
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Question 2
Why would condensate be desirable?1. It has a low density (High API Gravity),
thus it yields more gasoline.2. It is more dense (Low API Gravity),
thus it yields less gasoline.3. It is an edible product.4. It does not require processing.
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