【摘要】：在滲流理論方程的基礎(chǔ)上,引入艾富羅斯實(shí)驗(yàn)結(jié)果,并結(jié)合Willhite,Chierici等人提出的油相相滲關(guān)系式,導(dǎo)出了雙曲遞減、指數(shù)遞減、調(diào)和遞減方程及其對(duì)應(yīng)水相相滲關(guān)系式。研究結(jié)果表明,油、水兩相相滲關(guān)系式共同決定著水驅(qū)油田產(chǎn)量遞減方程;以往的產(chǎn)量遞減方程滲流理論研究中,油相相滲關(guān)系式不是以出口端含水飽和度為自變量的行業(yè)標(biāo)準(zhǔn)相滲關(guān)系式,而是以平均含水飽和度為自變量的擬相滲關(guān)系式。通過吐哈鄯善油田三間房組油藏、吉林紅崗油田薩爾圖組油藏、大港馬西油田沙一下段油藏的應(yīng)用,實(shí)際產(chǎn)量與油水兩相相滲關(guān)系式分別確定的遞減方程基本一致,值得其他油田在遞減規(guī)律研究中借鑒。
[Abstract]:Based on the theoretical equation of percolation, the formula of hyperbolic decline, exponential decline, harmonic decline and their corresponding water phase permeability relations are derived by introducing the results of Efferos experiment and combining with the oil phase permeability relation proposed by Willhite,Chierici et al. The results show that the relationship between oil and water phase and permeability determines the production decline equation of water drive oil field, and in the previous study of seepage theory of production decline equation, The oil phase permeability relationship is not an industry standard phase permeability relationship with water saturation at the outlet as independent variable, but a pseudo-phase permeability relationship with the average water saturation as an independent variable. Through the application of Sanjianfang formation reservoir in Tuha Shanshan oilfield, Saltu formation reservoir in Honggang oilfield, and the lower Shahejie reservoir in Dagang Maxi oilfield, the decline equations of actual production and oil-water two-phase permeability relationship are basically the same. It is worthy of reference in the study of decline law in other oilfields.
【作者單位】： 中國石油吐哈油田分公司勘探開發(fā)研究院;中海油能源發(fā)展股份有限公司工程技術(shù)分公司;中國石油新疆油田分公司勘探開發(fā)研究院;
【基金】：中國石油科技重大專項(xiàng)(2017E-04-07)
【分類號(hào)】：TE357.6

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