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Flow of Produced Gas-fluid from Oil Well Through Corrugated Multicup Isoflux Gas Anchor

Author: FuCheng
Tutor: CuiHaiQing；WangYan
School: Daqing Petroleum Institute
Course: Oil and Gas Storage and Transportation Engineering
Keywords: Gas-liquid two-phase fluid Corrugated cup -shaped multi- stream gas anchor Degassing efficiency Residence time Criterion equation Multiple linear regression
CLC: TE357.431
Type: Master's thesis
Year: 2008
Downloads: 51
Quote: 1
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Abstract


Oil wells in the process, are more or less associated gas recovery . If a larger volume of output oil , these gases on the deep well pump efficiency will have a great impact on the well or even serious air lock . In order to reduce the impact of gas on the pump , pump pump efficiency and improve oil production , usually in two ways: First, raise the degree of increase in the sinking of the pump inlet pressure pump to reduce the impact of free gas on the pump ; two is the use of gas anchor , the inlet pump fluid into the pump before the gas-liquid separator to achieve , achieve the purpose of improving pump efficiency , now widely used in the second method. Multi- stream gas anchor cup is built on the basis of oil and gas density difference , by extending the cup produced fluid residence time in the sedimentation to improve the degassing efficiency of the gas anchor . For multi- cup uniform flux gas anchor , the existing achievements include hydraulic design calculation method and indoor simulation studies. Corrugated cup -shaped multi- stream gas anchor is a multi- cup anchor improved air flow . Corrugated cup -shaped multi- stream gas anchor the main structure parameters are: the number of edges , recessed depth and angle . How to optimize the combination of the above parameters in order to achieve optimum degassing efficiency gas anchor , is the main research goals. In this paper, dimensional analysis method to establish a gas-liquid two-phase flow in a corrugated cup -shaped multi- stream flowing gas anchor criterion equation ; based on laboratory experiments measured the corresponding parameters and criteria equation, using the least squares method and the principle of Gaussian elimination regression analysis, gas-liquid two-phase flow in a corrugated cup -shaped multi- stream gas anchor in flow associated degassing efficiency formula ; analyzed the number of edges , recessed depth and angle of impact on the degassing efficiency , to get the most good structural parameters such as corrugated cup -shaped multi- stream gas anchor .

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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 ) > Thermal, miscible , Chemical Oil Recovery (EOR EOR )
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