Results 11 to 20 of about 547,890 (248)
Advances in Mechanical Engineering, 2013 The precipitation of wax/solid paraffin during production, transportation, and processing of crude oil is a serious problem. It is essential to have a reliable model to predict the wax appearance temperature and the amount of solid precipitated at ...
Wei Wang +4 more
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Investigation of wax precipitation in crude oil: Experimental and modeling [PDF]
Petroleum, 2015 In this work, a series of experiments were carried to investigation of rheological behavior of crude oil using waxy crude oil sample in the absence/presence of flow improver such as ethylene-vinyl acetate copolymer.
Taraneh Jafari Behbahani +3 more
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Energies, 2022 There has been a large amount of experience in recent decades in the use of magnetic fields on reservoir fluids. This paper discusses the effect of a magnetic field on wax precipitation.
Nikolay Cheremisin +2 more
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Measurement and thermodynamic modeling of wax precipitation in asphalt binder
Materials & Design, 2022 Considering asphalt as a mixed system composed of multiple solid and liquid phases based on the principle of phase equilibrium and regular solution theory, in this paper, the activity coefficient was used to describe the non-ideality of solid and liquid ...
Yanjun Qiu +3 more
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Parabolic calculation model for wax removal interval of hot oil pipeline
You-qi chuyun, 2020 In the process of hot oil pipeline transportation, the economy and safety of crude oil transportation are seriously affected by wax deposition. Therefore, the reasonable wax removal interval is considered as the key to ensure the normal operation of the ...
Yuewen SHEN +3 more
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Petroleum Research, 2022 Wax deposition in pipelines leads to pressure drop, reduced effective cross-sectional area, and blockages. Although mathematical models and experimental loops were used to model wax precipitation on pipeline surfaces, its prediction at molecular levels ...
Ballo Mwendapole Lonje, Gang Liu
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Buildings, 2023 Wax-based additives have been widely used in asphalt pavement for their preferable environmental benefits. However, poor compatibility between wax-based warm mix additives and asphalt easily leads to precipitation of wax and cracking of asphalt pavement.
Qiwei Chen +3 more
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Petroleum, 2020 Wax deposition inside the tubing walls endures being a critical operational challenge faced by the petroleum industry. The build-up of wax deposits may lead to the increase of pumping power, as well as the decrease of flow rate or, even, to the total ...
A.M. Sousa, H.A. Matos, L. Guerreiro
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How Do Methane, Carbon Dioxide or Fatty Acids Affect Waxy Crude Oils?
Energies, 2022 In the oil and gas industry, wax formation and deposition are common problems, particularly during production and transportation. To better understand the expected behaviour of a given waxy crude oil and consequently select the best solution to prevent ...
Ana M. Sousa +3 more
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Energies, 2021 A high content of asphaltene and wax in crude oil leads to difficulties in the recovery and transportation of crude oil due to the precipitation of asphaltenes and the deposition of waxes.
Xinyuan Li +5 more
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