本文選題：真實巖心 + 微觀水驅(qū)油��； 參考：《西南石油大學(xué)》2017年碩士論文

【摘要】：微觀驅(qū)替可視化模擬實驗是研究油氣田開發(fā)過程中儲層多相流體滲流機理和規(guī)律的重要方法,通過微觀驅(qū)替實驗可以直觀的觀察到各種微觀滲流現(xiàn)象,并可以通過實驗現(xiàn)象與微觀滲流機理相結(jié)合的方式找到現(xiàn)象的規(guī)律性。本文整理了國內(nèi)外的有關(guān)微觀模型、微觀滲流驅(qū)油機理以及微觀模擬滲流實驗的研究現(xiàn)狀的文獻,對比分析了碎屑巖巖心和碳酸鹽巖巖心的相同點和異同點,從而制定了相應(yīng)的研究技術(shù)路線,并且對文中的微觀模型制作及實驗流程進行了簡述。本文在對砂巖模型和礫巖模型進行微觀水驅(qū)滲流實驗研究的基礎(chǔ)上,著重探索研究了礁灰?guī)r的四種典型孔隙類型的微觀水驅(qū)滲流機理,并為此制作了致密型礁灰?guī)r模型、裂縫基質(zhì)型礁灰?guī)r模型、孔隙孔洞型礁灰?guī)r模型、孔洞裂縫型礁灰?guī)r模型來進行微觀水驅(qū)滲流實驗研究。每組實驗都運用電子顯微鏡圖像采集技術(shù)拍攝并記錄整個實驗過程中的動態(tài)圖像資料,以便于后期進行數(shù)據(jù)處理和剩余油分布特征分析。文中列出了每組實驗的實驗流程,然后重點選取了具有代表性的圖像進行微觀滲流現(xiàn)象的分析說明,并且盡可能對實驗現(xiàn)象進行詳細(xì)的定性和定量描述。最后,再對各組模型的微觀水驅(qū)滲流規(guī)律進行對比分析研究。實驗研究發(fā)現(xiàn):①砂巖模型和礫巖模型的微觀水驅(qū)滲流過程相對于礁灰?guī)r模型更為簡單;②基質(zhì)對流體在礁灰?guī)r中滲流的影響很大;③砂巖模型和礫巖模型的剩余油主要以油膜狀和斑點狀的形式分布,而礁灰?guī)r模型的剩余油主要以侵染狀和附著在孔縫表面的油膜狀的形式分布。本文對注水開發(fā)礁灰?guī)r油藏具有一定的借鑒意義。
[Abstract]:The visualization simulation experiment of micro displacement is an important method to study the mechanism and regularity of multiphase fluid flow in oil and gas field development. Through microscopic displacement experiment, various microscopic seepage phenomena can be observed intuitively. The regularity of the phenomenon can be found by combining the experimental phenomenon with the microscopic seepage mechanism. In this paper, the domestic and foreign literatures about microscopic models, micro-seepage displacement mechanism and microscopic simulation seepage experiments are reviewed, and the similarities and differences between clastic cores and carbonate cores are compared and analyzed. The corresponding research technology route is worked out, and the micro model making and experiment flow are briefly described in this paper. Based on the experimental study of microscopic water drive seepage in sandstone model and conglomerate model, the microcosmic water drive seepage mechanism of four typical pore types of reef limestone has been studied in this paper, and a dense reef limestone model has been made for this purpose. Experimental study on microscopic water drive seepage is carried out by using fracture matrix reef limestone model, pore reef limestone model and pore fracture reef limestone model. In each group of experiments, the dynamic image data of the whole experiment process are captured and recorded by the electron microscope image acquisition technique, so as to facilitate the data processing and the analysis of the distribution characteristics of the remaining oil in the later stage. In this paper, the experimental flow of each group of experiments is listed, and then the representative images are selected to analyze and explain the microscopic seepage phenomenon, and the experimental phenomena are described in detail qualitatively and quantitatively as much as possible. Finally, the microscopic water-drive seepage patterns of each group of models are analyzed and compared. The experimental results show that the micro-water-drive seepage process of the Wei 1 sandstone model and the conglomerate model is more simple than that of the reef limestone model. (3) the remaining oil in sandstone model and conglomerate model is mainly distributed in the form of oil film and spots, while the remaining oil in reef limestone model is mainly distributed in the form of invasion and oil film attached to the pore surface. This paper can be used for reference in the development of reef limestone reservoir by water injection.
【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】：2017
【分類號】：TE312

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