抽油泵旋流防砂機理研究與參數(shù)優(yōu)化
本文關鍵詞: 旋流裝置 抽油泵 結構設計 油砂分離 參數(shù)優(yōu)選 出處:《西安石油大學》2015年碩士論文 論文類型:學位論文
【摘要】:由于我國大部分油田處于開發(fā)中后期,油井出砂越來越嚴重,其結果會對井筒舉升設備產(chǎn)生嚴重影響,造成抽油泵砂卡,增大生產(chǎn)成本。本文利用旋流技術使油-砂實現(xiàn)分離,提高了抽油泵的防砂效果,解決了砂卡問題。首先提出了三種抽油泵防砂方案,根據(jù)其特點優(yōu)選出一種,并設計了該防砂抽油泵的總體結構。其特點是在抽油泵上游動凡爾組件上部增加旋流裝置,實現(xiàn)油砂分離。接著對旋流器內(nèi)部的固液兩相流進行了理論分析。闡述了固體顆粒的模擬方法,分析了固-液兩相流的基本特征,研究了抽油泵內(nèi)液體作用在砂粒上的定常阻力、加速度力和所受到的不均勻力。然后采用Gambit軟件建立了旋流裝置虛擬模型,對其進行了網(wǎng)格劃分,用Quad/Pave面網(wǎng)格以及Tet/Hbrid、Tgrid體網(wǎng)格進行劃分,并在Fluent軟件下,通過VOF模型、RSM湍流模型進行了固液兩相流數(shù)值模擬。最后根據(jù)數(shù)值模擬結果,分析了不同參數(shù)對旋流效果的影響,通過分析結果得到以下結論:當環(huán)空面積增加時,分離效果改善;螺旋槽深度增加,分離效果改善,壓力降增加;在一定范圍內(nèi)增加螺旋角,分離效果改善,壓力降增大;砂粒含量變大,分離效果基本不變,壓力降變化不大;入口速度增加,出口切向速度增加,分離效果基本不變,壓力降增加。根據(jù)以上分析結果,當螺旋槽頂部直徑為Φ22mm,螺旋槽高度為15mm,螺旋角為60?時,抽油泵的防砂效果達到最佳工作條件。
[Abstract]:As most oil fields in China are in the middle and late stage of development, the sand production of oil wells is becoming more and more serious, and the results will have a serious impact on the wellbore lifting equipment, resulting in a sucker pump sand card and an increase in production cost. In this paper, the oil-sand separation is realized by using swirling technology. The sand control effect of sucker pump is improved, and the problem of sand card is solved. Firstly, three kinds of sand control schemes of sucker pump are put forward, and one of them is selected according to its characteristics. The overall structure of the sand control sucker pump is designed, which is characterized by the addition of swirl device to the upper part of the swimming Val assembly on the sucker pump. Oil sand separation is realized. Then the solid-liquid two-phase flow in the cyclone is theoretically analyzed. The simulation method of solid particles is described, and the basic characteristics of solid-liquid two-phase flow are analyzed. In this paper, the steady resistance, acceleration force and non-uniform force of liquid acting on sand particles in subsurface pump are studied. Then the virtual model of swirl device is established by using Gambit software, and it is meshed. Quad/Pave mesh and Tet / Hbridge Tgrid body grid are used to divide the solid / liquid two-phase flow in Fluent software. Finally, according to the numerical simulation results, the influence of different parameters on the swirl effect is analyzed. The following conclusions are obtained from the analysis: when the annulus area increases, the separation effect is improved, the spiral groove depth is increased, the separation effect is improved, the pressure drop is increased, the separation effect is improved and the pressure drop is increased by increasing the spiral angle within a certain range. The sand content increases, the separation effect is basically unchanged, the pressure drop changes little; the inlet velocity increases, the exit tangential velocity increases, the separation effect is basically unchanged, and the pressure drop increases. When the top diameter of the spiral groove is 桅 22mm, the height of the spiral groove is 15mm, the helical angle is 60? At the same time, the sand control effect of the pumping pump reaches the best working conditions.
【學位授予單位】:西安石油大學
【學位級別】:碩士
【學位授予年份】:2015
【分類號】:TE933.3
【參考文獻】
相關期刊論文 前10條
1 柯耀斌;楊旭;趙建華;;化學防砂技術的綜述[J];化學工程與裝備;2009年12期
2 李文;;對于目前油田油井復合化學防砂技術的分析[J];中國石油和化工標準與質(zhì)量;2012年01期
3 徐蓬勃;劉正萍;;復雜斷塊油藏防砂工藝的應用[J];中國石油和化工標準與質(zhì)量;2012年04期
4 胡玉國,鄧大智,宿輝,孔慶亞;我國化學防砂工藝技術現(xiàn)狀和發(fā)展趨勢[J];精細與專用化學品;2002年23期
5 劉立潛;;河口油區(qū)5 1/2″套管側鉆水平井機械防砂工藝研究與應用[J];科技致富向導;2011年14期
6 魏航信;武志剛;職黎光;吳偉;;基于旋流機理的防砂抽油泵研究[J];機械;2014年05期
7 賀國偉;謝,|;陳妙莉;;長柱塞短泵筒防砂管式抽油泵的研制與應用[J];內(nèi)蒙古石油化工;2013年09期
8 孫雙;白晶;王秀偉;曲迪;馬永剛;李月云;;長塞環(huán)封抽油泵防偏磨旋流扶正器設計[J];石油礦場機械;2010年03期
9 唐紅斌;李古正;劉英;周向武;;河南油田機械防砂技術應用效果評價[J];石油地質(zhì)與工程;2010年06期
10 孫寶福;王志明;牛少輝;張久利;;三管式防砂抽油泵優(yōu)化設計[J];石油機械;2007年09期
相關博士學位論文 前1條
1 閆月娟;井下旋流除砂器內(nèi)固液兩相流動特性研究[D];東北石油大學;2014年
相關碩士學位論文 前3條
1 張振山;離心泵內(nèi)部湍流流動數(shù)值模擬的研究[D];河北工程大學;2007年
2 鹿勝玉;基于FLUENT的抽油泵泵效的仿真研究與優(yōu)化[D];山東大學;2008年
3 魯旭萍;基于FLUENT的新型旋流除砂器流場模擬分析及分離性能研究[D];重慶大學;2010年
,本文編號:1544450
本文鏈接:http://sikaile.net/kejilunwen/shiyounenyuanlunwen/1544450.html