Footage has emerged from China of villagers demonstrating how they found flammable gas inside one of their water wells.

The video, reportedly filmed in Leshan, Sichuan Province on October 16, shows white smoke rising out of the well, while villagers fill a bag with the gas and set it on fire.

According to local reports, a family with very little income asked a drilling firm to help them drill a well and they agreed, but when they got deep enough they noticed an unpleasant smell coming out of the water.

The team has since stopped digging and government officials are conducting tests to find out what the gas is.

Footage, from China, of flammable gas coming out of a water well.

The video, filmed in Leshan, Sichuan Province on October 16, shows white smog rising into the sky from the water well.

Villagers fill a plastic bag with the gas to test and they can light it successfully.

In order to help poverty family get drinking water, villagers asked digging well team to dig a water well for them.

But the smelling air came out of the well with the water.

Relative departments has stopped the team digging the well and the geologists would get some samples to test again.