BARIUM NITRATE CRYSTAL OPTIONS

Drilling for oil applied to supply large gushers. A gusher can be an oil that sprays out in the well in the air. Gushers are unwanted, simply because they squander oil and will burn for months if ignited.How can a poisonous compound like barium sulfate be useful for this procedure? Barium sulfate will not dissolve in drinking water. So it can not e