It started as some small fun but eventually grew up into a massive all city wide prank when people, especially young girls are being wetted with water by crowds of youngsters.

For naturally fractured low permeable limestone reservoirs, the oil displacing function by spontaneous imbibition of water is weak when the matrix rock surfaces are mixed wet or oil wetted.

The transfer process of acetic acid from the hexane phase to the water phase was studied in a diffusional cell which is similar to a wetted wall column.