The study on temperature field variation and phase transition law after shutdown of buried waxy crude oil pipeline
Sign Up to like & getrecommendations! Published in 2017 at "Case Studies in Thermal Engineering"
DOI: 10.1016/j.csite.2017.10.004
Abstract: Abstract In the buried waxy crude oil pipeline, considering the change of physical properties with temperature and the latent heat of wax precipitation, based on the pipeline-soil-atmosphere coupled heat transfer, the temperature drop model after… read more here.
Keywords: waxy crude; pipeline; crude oil; oil ... See more keywords
Quantitative effects of different factors on the thermal characteristics of waxy crude oil pipeline during its shutdown
Sign Up to like & getrecommendations! Published in 2020 at "Case Studies in Thermal Engineering"
DOI: 10.1016/j.csite.2020.100615
Abstract: Abstract By means of momentum source term method and additional specific heat capacity method, the thermal characteristics of waxy crude oil pipeline during its shutdown are investigated by the numerical simulation. The quantitative effects of… read more here.
Keywords: characteristics waxy; waxy crude; pipeline; thermal characteristics ... See more keywords
Experimental and numerical study on direct electrical heating for plug removal of subsea waxy crude pipelines
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2019.118489
Abstract: Abstract Subsea pipeline of waxy crude oil may face a high risk of the wax plug during shut down or pigging. Direct Electrical Heating (DEH) technology is expected to be an efficient and convenient way… read more here.
Keywords: heating; plug; subsea; direct electrical ... See more keywords
Rheological study under simple shear of six gelled waxy crude oils
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Non-newtonian Fluid Mechanics"
DOI: 10.1016/j.jnnfm.2017.07.004
Abstract: Abstract Rheological behaviour of gelled waxy crude oils is critical to designing subsea architecture for petroleum fields. The ability to generate dimensionless models to predict the rheological behaviour of any gelled waxy crudes would be… read more here.
Keywords: waxy crude; study; crude oils; stress ... See more keywords
Injection of non-reacting gas into production pipelines to ease restart pumping of waxy crude oil
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Petroleum Science and Engineering"
DOI: 10.1016/j.petrol.2017.01.046
Abstract: Wax deposition in production pipelines causes flow assurance issue due to reduction in flow rate. Gelling of waxy crude oil after subsequent cooling restricts the flow and causes blockage in pipelines, and thus requiring large… read more here.
Keywords: pressure; production; waxy crude; gas ... See more keywords
Effect of Pour Point Depressants on the Impedance Spectroscopy of Waxy Crude Oil
Sign Up to like & getrecommendations! Published in 2021 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.0c03378
Abstract: Treatment with pour point depressant (PPD) can significantly improve the cold flowability of waxy crude oil, enabling the safe and efficient transportation of waxy crude oils through pipelines. It ... read more here.
Keywords: crude oil; pour point; waxy crude; spectroscopy ... See more keywords
Effect of Emulsified Water on Gelled Pipeline Restart of Model Waxy Crude Oil Cold Flows
Sign Up to like & getrecommendations! Published in 2019 at "Energy & Fuels"
DOI: 10.1021/acs.energyfuels.9b02625
Abstract: Recent work has shown the promise of cold flow technology for transporting waxy crude oils below their wax appearance temperatures. The thermal flux that results due to the difference between the t... read more here.
Keywords: waxy crude; cold; water gelled; gelled pipeline ... See more keywords
Insights into Flow Improving for Waxy Crude Oil Doped with EVA/SiO2 Nanohybrids
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.1c05953
Abstract: Nanohybrid materials can significantly inhibit wax deposition and improve the fluidity of crude oil. However, the mechanisms behind wax resolving, crystal modification, and flow improving are still unclear owing to the complexity of crude oil.… read more here.
Keywords: eva sio2; oil; flow improving; waxy crude ... See more keywords
Application of Rheo-optic In Situ Measurement Technology to Study Waxy Crude Oil Rheology
Sign Up to like & getrecommendations! Published in 2022 at "ACS Omega"
DOI: 10.1021/acsomega.2c01251
Abstract: The micromechanism of waxy crude oil gelling is the interaction between wax crystals to form a certain intensity flocculation structure, which significantly increases the cost of production and transmission. In this paper, rheo-optic in situ… read more here.
Keywords: technology; rheology; waxy crude; crude ... See more keywords
Novel Approach for Improving the Flow of Waxy Crude Oil Using Thermochemical Fluids: Experimental and Simulation Study
Sign Up to like & getrecommendations! Published in 2020 at "ACS Omega"
DOI: 10.1021/acsomega.9b04268
Abstract: This article focuses on the flow assurance of waxy crude oil using an environmentally benign and cost-effective approach involving thermochemical reaction. The study incorporates experimental and simulation works to evaluate heat and pressure generation potentials… read more here.
Keywords: waxy crude; oil using; experimental simulation; crude oil ... See more keywords
Effective flow improving agents for waxy crude oil
Sign Up to like & getrecommendations! Published in 2017 at "Petroleum Science and Technology"
DOI: 10.1080/10916466.2017.1375947
Abstract: ABSTRACT The comb-like copolymer-polyhedral oligomeric silsesquioxane (POSS) nano-composite PPDs, including POA-POSS, POA-VA-POSS, POA-MA-POSS and POA-St-POSS, were first synthesized via in-situ reversible addition-fragmentation chain transfer (RAFT) polymerization and characterized by FT-IR, NMR and TGA methods. Subsequently,… read more here.
Keywords: waxy crude; poss poa; crude oil; poa poss ... See more keywords