【摘要】：隨著常規(guī)石油儲量的日益減少和世界對石油需求的不斷增加,具有巨大勘探潛力的稠油已經(jīng)得到越來越多國家的重視,蒸汽吞吐作為開發(fā)稠油油藏較為成熟的技術(shù),因其工藝簡單、成本低廉等優(yōu)點,在我國許多油田都得到了廣泛應用。金家油田東三段4砂層組自2010年5月采用水平蒸汽吞吐進行開采,但隨著吞吐的進行,產(chǎn)量遞減較快,地層壓力下降幅度較大,鑒于目前開發(fā)形勢,著眼于油田長遠發(fā)展,進行熱采稠油開發(fā)方式的轉(zhuǎn)換的研究與試驗是極為重要的。本文通過對該區(qū)塊油藏開發(fā)現(xiàn)狀分析,對其典型井蒸汽吞吐遞減規(guī)律進行了研究,得出目前油藏開發(fā)存在的問題并提出相關(guān)建議�；谟吞飳嶋H地質(zhì)資料建立了符合實際的地質(zhì)模型,在完成歷史擬合的基礎(chǔ)上,分析了目前剩余油分布特點。研究了注采參數(shù)對水平井蒸汽驅(qū)開發(fā)效果的影響規(guī)律,主要包括蒸汽干度、注汽速度、采注比、注氣溫度、轉(zhuǎn)驅(qū)時機、井網(wǎng)模型、間歇汽驅(qū)停注比等因素。根據(jù)影響因素的分析結(jié)果,以采出程度為指標,運用正交設(shè)計優(yōu)化方法,對注汽速度、蒸汽干度、采注比和注汽溫度等因素進行了多參數(shù)優(yōu)化設(shè)計,通過對比經(jīng)濟評價結(jié)果得出了最佳蒸汽驅(qū)方案,對該區(qū)塊油藏后續(xù)熱采開發(fā)具有一定的指導意義。
[Abstract]:With the decrease of conventional oil reserves and the increasing demand for oil in the world, heavy oil with great exploration potential has been paid more and more attention by more and more countries. Steam huff and puff is a more mature technology for developing heavy oil reservoirs. Because of its simple process and low cost, it has been widely used in many oilfields in China. The 4th sand formation of East third member of Jinjia Oilfield has been exploited by horizontal steam huff and puff since May 2010. However, with the development of huff and puff, the production decreases rapidly and the formation pressure decreases greatly. In view of the present development situation, the reservoir is focused on the long-term development of the oilfield. It is very important to study and test the change of development mode of thermal recovery heavy oil. Based on the analysis of the present situation of reservoir development in this block, the rule of steam huff and puff decline in typical wells is studied in this paper, and the problems existing in reservoir development at present are obtained and relevant suggestions are put forward. Based on the actual geological data of the oil field, the geological model is established. On the basis of the historical fitting, the distribution characteristics of the remaining oil are analyzed. The influence of injection and production parameters on the development effect of steam flooding in horizontal wells is studied, including steam dryness, steam injection velocity, production / injection ratio, gas injection temperature, turning time, well pattern model, intermittent steam drive stop injection ratio and so on. According to the analysis results of the influencing factors and taking the degree of recovery as the index and using the orthogonal design optimization method, the factors such as steam injection velocity, steam dryness, production-injection ratio and steam injection temperature are optimized by multi-parameter design, such as steam injection velocity, steam dryness, injection ratio and steam injection temperature, etc. The best steam flooding scheme is obtained by comparing the economic evaluation results, which has certain guiding significance for the subsequent thermal recovery development of the reservoir in this block.
【學位授予單位】：中國石油大學(華東)
【學位級別】：碩士
【學位授予年份】：2015
【分類號】：TE357.44

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