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Research on Flow Characteristics of Steam Injected in Vertical Wellbores

Author: JiangYanYan
Tutor: LiMingZhong
School: China University of Petroleum
Course: Oil and Gas Field Development Project
Keywords: Vertical wellbore Two-phase flow Types of Flow Pressure gradient Heat loss
CLC: TE357.7
Type: Master's thesis
Year: 2011
Downloads: 79
Quote: 1
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Abstract


Note steam extraction process wellbore multiphase fluid flow parameters identify the problem of heavy oils , based on the gas-liquid two-phase flow theory and hydrodynamics , combined with domestic and foreign research results in the field of steam injection process Wellbore law of two-phase flow ; flow pattern is divided between the flow pattern transition criteria ; different flow pressure drop gradient calculation based on the criteria of conservation of momentum , given the relevant parameter determination method ; using heat transfer knowledge , the establishment of the expression of the wellbore fluid heat loss and further , according to the conservation of mass and energy conservation theory calculation of steam dryness fluid parameter calculation , as well as pressure drop and flow parameters ; prepared a supporting calculation program , the newly created model Beggs - Brill methods and Shengli Oilfield S56 - 11 - 15 and other wellhead measured data were compared to verify the model and analyzed the wellhead injection of steam quality , steam pressure and steam mass flow rate sensitivity and wellhead Note steam time, dryness of steam and steam mass flow downhole parameters .

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CLC: > Industrial Technology > Oil and gas industry > Oil and gas development and mining > Production Engineering > Enhanced oil recovery and maintain reservoir pressure (secondary and tertiary oil recovery ) > Reservoir gas injection
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