Results 31 to 40 of about 3,505,689 (278)

The mechanism of ultrasonic irradiation effect on viscosity variations of heavy crude oil

Ultrasonics Sonochemistry, 2021
Viscosity reduction of heavy oil has economic benefits and applicational value in the field. Applying viscosity reduction technology of heavy oil with ultrasound, this paper examines the influence of ultrasonic irradiation time and the addition of ...
Jinbiao Gao, Chao Li, Delong Xu, Pengfei Wu, Weijun Lin, Xiuming Wang   +5 more
doaj   +1 more source

Thromboembolic Prophylaxis and Viscosity Reduction with Ancrod [PDF]

Thrombosis and Haemostasis, 1977
Blood and plasma viscosity were measured at high shear rates in 10 patients receiving intravenous ancrod and 9 patients receiving subcutaneous ancrod. In both groups significant viscosity reduction accompanied fibrinogen depletion and there was no significant fall in haematocrit. Blood and plasma viscosity were also significantly reduced in 28 patients
G.D.O. Lowe, C.D. Forbes, C.R.M. Prentice, J.C. Barbenel   +3 more
openaire   +1 more source

Viscosity-reducing experiment of heavy oil emulsion by water bath and microwave heating

You-qi chuyun, 2021
In order to explore the viscosity reduction characteristics and mechanism of heavy oil emulsion by water bath and microwave heating, the comparative viscosity-reducing experiments by water bath and microwave heating were designed with the Venezuela heavy
Yunlong WANG, Hanyong LI, Wangyi GUO, Hang GAO, Yindi ZHANG   +4 more
doaj   +1 more source

Experimental Study on Surfactant–Polymer Flooding After Viscosity Reduction for Heavy Oil in Matured Reservoir

Energies
An advanced enhanced oil recovery (EOR) method was investigated, employing a surfactant–polymer (SP) system in combination with a viscosity reducer for application in a heavy oil reservoir within the Haiwaihe Block, Liaohe Oilfield, in China. Significant
Xiaoran Chen, Qingfeng Hou, Yifeng Liu, Gaohua Liu, Hao Zhang, Haojie Sun, Zhuoyan Zhu, Weidong Liu   +7 more
doaj   +1 more source

Synthesis and laboratory evaluation of iso‐tridecyloxypolyethylene glycol acrylate copolymers as potential viscosity reducers for heavy oil

Energy Science & Engineering, 2020
As driven by the increase in global fuel demand and decrease in worldwide reserves of conventional oil, it is important to develop new production technologies for heavy oil.
Fusheng Zhang, Qun Lei, Guoliang Liu, Gongqing Liao, Xiaofang Xu, Weidong Meng   +5 more
doaj   +1 more source

Performance of a good‐emulsification‐oriented surfactant‐polymer system in emulsifying and recovering heavy oil

Energy Science & Engineering, 2020
Considering the significant importance of emulsification for heavy oil recovery, a good‐emulsification‐oriented (GEO) (rather than the conventional ultralow interfacial tension (IFT) oriented) surfactant‐polymer (SP) system was employed to remove heavy ...
Yefei Wang, Zongyang Li, Mingchen Ding, Qun Yu, Dong Zhong, Xulong Cao   +5 more
doaj   +1 more source

The effect of oxidation state on the viscosity of melts in the system Na2O-FeO-Fe2O3-SiO2 [PDF]

, 1987
The viscosities of two melts in the system Na2O-FeO-Fe2O3-SiO2 have been measured as a function of oxidation state. The experiments were conducted by concentric-cylinder viscometry, on melts equilibrated with gas mixtures in a vertical tube, gas-mixing ...
Virgo, David, Dingwell, Donald B.
core   +1 more source

Research on Performance Optimisation and Viscosity-Reduction Mechanisms of Warm-Mix Rubber Asphalt Pavement Materials in Cold and Arid Regions

Applied Sciences
In cold and arid regions, the durability of asphalt pavement materials is often inadequate, and the hot mixing process further accelerates pavement ageing and releases harmful gases.
Xiangjun Wei, Debin Zhao, Mei Lin, Ping Li, Guojun Yang   +4 more
doaj   +1 more source

Temporary Reduction of Viscosity of Liquids at High Rates of Shear [PDF]

Nature, 1951
IN view of a recent statement1 “that solutions of macromolecular substances may show an anomalous fall in the coefficient of viscosity at high rates of shear”, it is emphasized once again2 that, at sufficiently high rates of shear, any liquid consisting of elongated molecules must be expected to exhibit a decrease of the coefficient of viscosity with ...
W J, MORRIS, R, SCHNURMANN
openaire   +2 more sources

The viscosity of simple gases [PDF]

, 2022
Over the last few years considerable doubt has been cast on the accuracy of the values of the transport properties of the inert gases available in the literature (1,2,3).
Dawe, Richard A.
core   +1 more source