Study of oil-gas condensate mixture to effectiveness evaluation of its use in pipeline transport system

Abstract

With the development of reserves of oil and gas condensate fields, there is a need to study oil and gas condensate in order to assess the possibility of pumping them in the form of a combined mixture. To this end, laboratory studies and bench tests of oil and oil-gas condensate mixtures with different content of gas condensate in the composition have been carried out. Basing on the results of laboratory study, It is established that the increase gas condensate content in oil leads to changes in its physical properties and fire and explosion hazard indices. It is shown that the optimal gas condensate content is up to 10 wt. %. The results of the study of asphaltene aggregates stability has not reveal the incompatibility phenomenon when mixing oil and gas condensate. It`s been determined by bench tests that the addition of gas condensate to oil leads to reduce the hydraulic losses of flow specific energy and the rate of growth asphaltene-resin-paraffin deposits. Thus, the mixing of oil with a content gas condensate is practically useful in the operation of the main pipeline.