Formate Brine Ltd is a consultancy company providing technical, commercial and business strategy advice on all matters relating to the use of formate brines as well drilling fluids, well completion fluids, well workover fluids and well stimulation fluids by the oil industry. John Downs, the Director of Formate Brine Ltd, has worked with sodium formate brines, potassium formate brines and cesium formate brines for more than 30 years and is one of the world's leading experts in formate brine technology.