Methods are provided that include a method comprising providing a acidic
treatment fluid that comprises a base fluid, an acid composition, and a
gelling agent that comprises clarified diutan; and introducing the acidic
treatment fluid into at least a portion of a subterranean formation. In
some embodiments, the acidic treatment fluid may be allowed to interact
with a component of the subterranean formation so that the component is
at least partially dissolved. In some embodiments, the acidic treatment
fluid may be introduced into a pipeline. Additional methods are also
provided.