دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

ball out mud acid.

adj: driven by water power. hydrofluoric acid n: a strong, poisonous liquid acid compound of hydrogen and fluorine (HF). Often mixed with hydrochloric acid, it is used mainly to remove mud from the wellbore and surrounding formation pores. Also called mud acid.

n: a mixture of acids used for removal of mud from the well bore. See mud acid.

n: see mud acid.

n: a mixture of hydrochloric and hydrofluoric acids and surfactants used to remove wall cake from the wellbore.

n: also called earth acid, it is mixture of hydrogen chloride, hydrogen fluoride and surface acting agent.




an inexact term, usually meaning a mixture of hydrochloric (HCl) and hydrofluoric acid (HF),HCL/HF. HF will dissolve some silicates and some of the components of drilling mud.