Marcellus Shale note guide

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What is Marcellus Shale?

A formation of _______________________ _________found in the
____________________ United States

Named for the small village of ________________________, _______ ________
where there is a distinctive outcropping of the formation

One of the USA’s most promising ____________________ _________ resources
Natural Gas

Primarily ________________ with 0-20% ethane or other higher
____________________________.

Can be found in association with __________, or NOT, and also as
_____________________________ (CBM)

Natural gas was often __________________ ________ as a by-product of oil
drilling

Created from the death & decay of ____________________ ________________
(terrestrial organisms most often create _____________)

____________________ & ____________________________ alter the organic matter
into kerogen, which is a waxy material found in oil shales

Must go through ____________________________ to be usable in today’s
market.
Where is the Marcellus Shale?

The shale lies beneath ___________ of _______________________ land mass
where it is buried to depths of 9000 feet

_________ ________ includes liquid hydrocarbons with natural gas
Marcellus Shale Natural Gas Drilling

Gas companies utilize a technique called ____________________________
_____________ to reach large areas of buried natural gas with
_____________________ surface _____________________
Directional Drilling

_______________________ protect ground _______________

Multiple thicknesses of cement and metal are used

____________________ seals the casing the entire extent of the well to
prevent gas and other hydrocarbons from ___________________
Hydraulic Fracturing

Technology carried over from the Barnett Shale in ___________________

Opens and propagates existing ______________________ in the target rock
layer

Method:
o A well is ___________________ after it is drilled
o A blend of sand, ceramics, resin-coated grains, and chemicals
are ______________________ through the well out into the surrounding
_____________ through the perforations
o _____________________ can be traced through ___________________________
material
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