Hydrocarbons Oil and Gas Flashcards
1
Q
Esso refinery, Fawley
A
largest in UK, 270,000 barrels crude oil a day
2
Q
top oil producers
A
Saudi
Russia
US
Iran
3
Q
Peak oil
A
reached max production
4
Q
shale gas
A
predicted to increase
5
Q
strategic importance of oil and gas
A
UK
6
Q
Hydrocarbon Source Rocks
A
Kimmeridge clay formation in dorset
7
Q
formation of shale
A
oil and gas escape from source rocks and migrate into reservoir rocks, flow towards surface as less dense, trapped by impermeble caps
8
Q
porosity
A
measure of a rocks ability to hold a fluid. open space expressed as a %
9
Q
permeability
A
measure of the resistance to the flow of a fluid through the rock
measured in milli darcys
10
Q
origins of petroleum
A
organic rich sediment layer, early burial of sediment layers in basin
11
Q
water use in fracking
A
5m gallons
