GIS Signature Casing Cleaner
GIS Triple Strength Casing Cleaner is composed of a 5 gallon batch of CaCl fluid that is mixed with a strong surfactant, which can be dumped downhole to clean scale and parrafin from the sidewall of the casing. Other benefits include, displacing crude oil and providing a fluid where cement can set and cure properly.
GIS recommends dumping casing cleaner in wells with older casing and tubing, where the cement to casing bond may be questionable.