Abstract

The purpose of this paper is to present and analyze wax deposition mechanism on the inner oil pipe wall. It is shown that the factors such as pressure, temperature, wettability nature of washed surfaces, velocity of the oil during oil pipeline transportation, as well as resin asphaltene and hard paraffin concentration in the reservoir oil play key role in the wax matter deposition. The pigging tool which removes wax deposits is proposed. The advantages of this tool are compared with analogues. It is shown that tool increases operation reliability, oil pipeline life, high grade cleaning of oil pipeline in the curved areas and has low-cost production.

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