Fracking

Main risk of fracking

Earthquakes

How many tremors occured during drilling at Cuadrilla Blackpool

120

What percentage of the Uk’s gas demand could it meat from domestic supplies

48%

What prevents shale gas from being fully accessed

Complex layers of rock

Which countries have experienced energy security from shale gas and for how long

Canada, US - 100 years

How long can a simgle shale gas mine last

20-40 years

what is fracking

The extraction of shale gas from underground

What are the emissions from burning shale gas relative to coal

50% co2 emissions

Two water related disadvantages of shale gas

can get into the water table and corrupt water, mining process requires a lot of water

How deep do you have to mine to extract shale gas

1-2km

What is used to prevent contamination of aquifers

steel pipe

How do you puncture through the steel pipe to access the rock

explosive charges set off by a perforating gun

What does fracking fluid do

Cracks the rock and prevents the cracks from closing at high pressures

What does fracking fluid contain

98% water, sand, ceramic particles and other chemicals

What was Liz Truss’ stance on fracking

Offering new contracts to lower rising energy bills

How many contracts have been offered

200