本文選題：加密調(diào)整 + 開發(fā)效果評價�。� 參考：《西南石油大學(xué)》2015年碩士論文

【摘要】：對需要采用大井距開發(fā)策略的海上油田而言,隨著油田開發(fā)程度與開發(fā)水平的提高,加密調(diào)整已成為大多數(shù)油田提高采收率的一種重要措施。如何在正確認(rèn)識影響油田高效開發(fā)關(guān)鍵因素的基礎(chǔ)上,建立健全油田整體加密效果評價響應(yīng)指標(biāo)體系,形成一套完善的海上油田整體加密效果評價方法,對油田高效開發(fā)具有長足的意義。 基于當(dāng)前油田整體加密效果評價方法的現(xiàn)狀及存在的問題,以渤海M油田為例,主要開展了如下幾方面的工作,并取得了相應(yīng)的成果： (1)分析了包括井網(wǎng)驅(qū)替壓力梯度分布、極限注采井距、注水有效影響范圍等隨井距、壓差等因素的變化情況,研究了影響M油田高效開發(fā)的幾個關(guān)鍵因素； (2)選取采收率響應(yīng)指標(biāo)、產(chǎn)量及儲采狀況類響應(yīng)指標(biāo)、井網(wǎng)完善狀況類響應(yīng)指標(biāo)、含水狀況類響應(yīng)指標(biāo)、水驅(qū)狀況類響應(yīng)指標(biāo)等五大類指標(biāo),建立了整體加密效果響應(yīng)指標(biāo)評價體系,并分析了響應(yīng)指標(biāo)的計算方法,確定了各響應(yīng)指標(biāo)的評價標(biāo)準(zhǔn)； (3)以Buckley-leverett方程為基礎(chǔ),遵循物質(zhì)平衡原理,建立微分流管理論,研究了水驅(qū)采收率與產(chǎn)水率理論變化關(guān)系； (4)以渤海M油田為研究對象,利用所建立的整體加密效果響應(yīng)指標(biāo)評價體系,對M油田加密調(diào)整前后開發(fā)效果的改善情況進(jìn)行了分析,并針對分析結(jié)果提出了M油田整體加密調(diào)整開發(fā)優(yōu)化建議；
[Abstract]:For offshore oil fields which need to adopt large well spacing development strategy, with the improvement of oilfield development degree and development level, infilling adjustment has become an important measure to improve oil recovery in most oilfields. On the basis of correctly understanding the key factors that affect the high efficiency of oilfield development, the paper establishes and perfects the response index system of integral infilling effect evaluation of oil field, and forms a set of perfect evaluation methods for integral infilling effect of offshore oil field. It has great significance for high efficiency development of oil field. Based on the present situation and existing problems of the whole infilling effect evaluation method in oil field, taking Bohai M oilfield as an example, the following aspects are mainly carried out, and the corresponding results are obtained. 1) the variation of well displacement pressure gradient distribution, limit injection-production interval and effective range of water injection with well spacing and pressure difference are analyzed, and several key factors affecting the high efficiency development of M oil field are studied. 2) selecting five kinds of indexes, such as the response index of oil recovery, the response index of production and storage and production condition, the response index of perfect well pattern, the response index of water cut condition, the response index of water drive condition, etc. The evaluation system of the response index of the whole encryption effect is established, and the calculation method of the response index is analyzed, and the evaluation standard of each response index is determined. (3) based on Buckley-leverett equation and following the principle of material balance, the differential flow tube theory is established, and the relationship between water drive recovery factor and water yield is studied. Taking Bohai M oilfield as the research object, the improvement of development effect before and after infilling adjustment in M oilfield is analyzed by using the evaluation system of integral infilling effect response index. According to the analysis result, the paper puts forward the optimized suggestion of integral infilling adjustment and development in M oilfield.
【學(xué)位授予單位】：西南石油大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TE357.6

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本文編號：1942175