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Modification of Shengli Oil additives

Author: HouJian
Tutor: MaHouYi
School: Shandong University
Course: Oilfield Chemistry
Keywords: VOE series flow improver Emulsion Resistance along the way Rheological properties
CLC: TE869
Type: Master's thesis
Year: 2008
Downloads: 116
Quote: 0
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Abstract


Yi Ning viscous crude energy saving, safe transportation of oil storage and transportation sector has been facing major technical problems. After 40 years of unremitting efforts, China has achieved in the field of many important results, but the triumph of high waxy crude oil transportation energy security , there is still a lot of technical problems to be solved. Since the victory of the existing oil -rich inhibit glial improver ingredients, additives modified very difficult. To suppress the rise in oil collection process and reduce energy consumption new two , three infill infrastructure investment , reduce lifting costs , carried out at room temperature and low temperature set Shengli oil chemical research and applied research . Currently , Shengli Oilfield Construction Design and Research Institute has developed three kinds of different blocks can be used in Shengli oil collection at room temperature and low-temperature chemical agent, named VOE series oil flow improvers . Shengli Oilfield using this oil flow improvers , after the implementation of low-temperature oil gathering , oil temperature significantly reduce the economic benefit. Add VOE series after the oil flow improvers to be formed emulsion is flowing in a pipe oil and gas gathering and transportation process new phenomenon. Compared with conventional oil-water mixture flow , additives after a cold start can not only significantly reduce the pressure , but also can greatly reduce the pipe flow resistance along the way . However, the mechanism of this phenomenon and its current quantitative relationship has not been resolved, to carry out this project , the main research intends to pipe in water emulsion still stratified cold start pressure tube in the proposed rule and resistance along the way emulsion law , thus flow improver is added at room temperature and cryogenic realized crude oil gathering and transportation provide a theoretical basis . In this thesis, the mechanism of action of flow improvers , cold start influencing factors and the pressure gradient along the drag drop and viscosity factors and the degree of influence of various factors , and ultimately determine the emulsion type of fluid to be established pressure drop and viscosity is calculated , and the experimental data regression depth after adding oil flow improvers rheological properties of the mixture .

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CLC: > Industrial Technology > Oil and gas industry > Oil, natural gas storage and transportation > Mine oil and gas gathering and processing > Oil and gas gathering and transportation chemicals
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