Study of the influence of xylene-based chemical Additive on crude oil flow properties and Paraffin deposition inhibition
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Paraffin related problem appears through out the production process of nearly all kinds of crude oils all over the world. It also appears in the dewatering process and the long distance crude oil transportation. In Nigeria, operators spend millions of dollars each year to control the deposition of paraffin and to deal with other sand related problems. Expenditures of this magnitude obviously have a significant impact on profits. This paper introduces the latest research and development of a novel chemical additive for the control of paraffin deposit and the successful application on Nigerian oilfields. Results of cold spot and dynamic flow tests revealed the unique potential of the xylene-based formulation for achieving greater paraffin deposition efficiency, pour point depression and improved transport properties for a wide range of waxy hydrocarbon systems in comparison with other conventional paraffin deposit-control chemicals. The economic benefits and cost effectiveness of using this chemical for inhibiting wax deposition has been demonstrated in a field performance evaluation.