本文選題：單砂體剩余油　切入點(diǎn)：水流勢(shì)場(chǎng)　出處：《東北石油大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

【摘要】：杏六區(qū)塊縱向上小層多、儲(chǔ)層隔層薄、層間物性差異大,平面上砂體發(fā)育差異大、儲(chǔ)層非均質(zhì)性嚴(yán)重,由于上述原因產(chǎn)生的層間矛盾和平面矛盾導(dǎo)致注水開發(fā)效果差,剩余儲(chǔ)量的挖潛難度大。將對(duì)應(yīng)壓裂技術(shù)應(yīng)用到單砂體壓裂施工,是以精細(xì)的地質(zhì)分析、油藏評(píng)價(jià)與剩余油分布情況為平臺(tái),以系統(tǒng)井組單元為研究對(duì)象,整體的從縱向?qū)娱g物性差異和平面砂體發(fā)育的非均質(zhì)性來(lái)著眼,在平面上針對(duì)單砂體實(shí)施壓裂改造,完善注采系統(tǒng),提高驅(qū)油效率;在縱向上實(shí)施細(xì)分壓裂,提高小層的動(dòng)用程度,改善產(chǎn)液剖面及吸水剖面,最終達(dá)到對(duì)縱向上的潛力層逐一改造的目標(biāo)。為了探索杏六區(qū)塊難采儲(chǔ)量有效動(dòng)用的技術(shù)途徑,解決油田開發(fā)過(guò)程中的實(shí)際問(wèn)題,本文在充分調(diào)研國(guó)內(nèi)外低滲透油藏開發(fā)情況基礎(chǔ)上,結(jié)合大慶油田對(duì)杏六區(qū)以往的地質(zhì)情況描述,應(yīng)用了石油地質(zhì)學(xué)理論,對(duì)其儲(chǔ)層和巖性特征、儲(chǔ)層參數(shù)和裂縫發(fā)育情況進(jìn)行了系統(tǒng)分析和研究。本課題以杏六區(qū)精細(xì)地質(zhì)研究為基本平臺(tái),充分評(píng)價(jià)分析區(qū)塊水流勢(shì)場(chǎng)模擬和實(shí)際測(cè)試結(jié)果,確立了對(duì)應(yīng)壓裂中選井及選層標(biāo)準(zhǔn),分析了人工裂縫形態(tài)及參數(shù)的主控影響因素,建立儲(chǔ)層最佳壓裂改造設(shè)計(jì)優(yōu)化方案,為杏六區(qū)塊剩余油調(diào)整挖潛提供有效的技術(shù)手段,對(duì)于提高老區(qū)的開發(fā)效果具有重要的現(xiàn)實(shí)意義。
[Abstract]:In Xing6 block, there are many vertical small layers, thin reservoirs, great differences in physical properties between layers, great differences in the development of sand bodies on the plane, and serious reservoir heterogeneity. Due to the interlayer and plane contradictions caused by the above reasons, the effect of water injection development is poor. The application of corresponding fracturing technology to single sand body fracturing is based on fine geological analysis, reservoir evaluation and residual oil distribution, and takes the system well group unit as the research object. As a whole, we focus on the difference of physical properties between longitudinal layers and the heterogeneity of the development of planar sand bodies, and carry out fracturing reconstruction in the plane for single sand bodies, improve injection and production systems, improve oil displacement efficiency, and carry out fracturing in subdivision vertically. In order to improve the production degree of the substratum, improve the liquid production profile and the water absorption profile, and finally achieve the goal of transforming the vertical potential layers one by one, in order to explore the technical ways of effective utilization of the hard-to-exploit reserves in Xing6 block, In order to solve the practical problems in oilfield development, based on the investigation and investigation of the development of low permeability reservoirs at home and abroad, combined with the description of previous geological conditions in Xing6 area in Daqing Oilfield, the theory of petroleum geology is applied in this paper. The reservoir and lithologic characteristics, reservoir parameters and fracture development are systematically analyzed and studied. The standard of well selection and layer selection in corresponding fracturing is established, the main control factors of the shape and parameters of artificial fractures are analyzed, and the optimum fracturing design optimization scheme of reservoir is established, which provides an effective technical means for the adjustment and tapping of remaining oil in Xingliu Block. It has important practical significance for improving the development effect of the old area.
【學(xué)位授予單位】：東北石油大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TE357.1;P618.13

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