It is mainly used as a weighting agent and to help reduce the loss of drilling fluid when drilling in porous formations. Lime is also used as a sealant during drilling operations so that the drilling fluid does not seep into the formation. The benefits of using lime are that the mineral is inert and environmentally friendly, and that lime can be dissolved by acids if necessary during the operation.
Offshore
Lime is one of the components of offshore drilling fluid.
