Petrolatum tapes and mastics are effective passive corrosion prevention systems for pipelines. These tapes are made from petrolatum, a semi-solid mixture of hydrocarbons that act as a barrier to prevent corrosion. They are easy to apply and can be used on both above and below ground pipelines. Additionally, mastics are ideal for filling cavities and smoothing uneven surfaces on pipeline components, like fittings and flange connections. Using petrolatum tapes and mastics can significantly increase the lifespan of pipelines and reduce maintenance costs associated with corrosion.