Induced Earthquakes Flashcards
1
Q
Does earthquake frequency increase or decrease with waste fluid injected?
A
increase
2
Q
what is a the name given to drilling waste? Where is drilling waste discarded?
A
brine; discarded thousands of feet below ground
3
Q
Which causes induced earthquakes?
a) fluid injection into the ground
b) fluid withdrawal from the ground
c) both a and b
d) neither a or b
A
c) both a and b
4
Q
What are the causes of man-made earthquakes? (6)
A
- oil and gas extraction, CO2 storage
- shale gas, fracking
- geothermal energy
- mining
- open-pit mining
- reservoirs
5
Q
Describe the AER Traffic Light System.
A
red: cease operations, inform the AER
yellow: inform the AER, invoke response plan
green: no action required
6
Q
Does high pressure difference indicate a high probably or low probability of earthquake?
A
high pressure difference = high probability earthquake
7
Q
What is the most abundantly fracked area in Alberta?
A
Montney
