本文選題：碳酸鹽巖　切入點(diǎn)：多層合采　出處：《重慶科技學(xué)院》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：建南氣田位于四川盆地東部川東褶皺帶的石柱復(fù)向斜中部,主要產(chǎn)氣層為飛三段和長二段。建南氣田長二、飛三氣藏屬于低孔、低滲、常壓、中—深層碳酸鹽巖氣藏。建南氣田長二和飛三氣藏經(jīng)多年be開采現(xiàn)已出現(xiàn)采出程度低,采氣速度慢、建井和采氣成本高等特點(diǎn),研究建南氣田長二和飛三氣藏合采技術(shù)界限,優(yōu)選合采氣井,優(yōu)化合采井的工作制度,為加快建南氣田采氣速度,降低采氣成本提供技術(shù)支持。本文主要通過已有資料的對比、氣藏工程研究、氣井?dāng)?shù)值模擬研究和類比調(diào)研分析等。完成了如下研究內(nèi)容:(1)收集整理長二、飛三氣藏靜動(dòng)態(tài)資料對比長二、飛三氣藏的構(gòu)造特征、儲(chǔ)層特征、流體性質(zhì)、目前地層壓力,為建南氣田長二、飛三氣藏合采研究打下基礎(chǔ)。(2)長二和飛三氣藏合采技術(shù)界限評價(jià)。通過對長二和飛三氣藏合采層間干擾的評價(jià)和在儲(chǔ)層物性、滲流特征差異下,多層合采與分層開采的效果的對比確定一個(gè)適合于氣層合采的定量的參數(shù)范圍。(3)根據(jù)長二和飛三氣藏合采技術(shù)界限研究結(jié)合實(shí)際生產(chǎn)資料優(yōu)選出適合長二和飛三氣藏合采的氣井。(4)在優(yōu)選出合采井的基礎(chǔ)上建立合采模型對所選出的氣井進(jìn)行合理配產(chǎn)。
[Abstract]:The Jiannan gas field is located in the middle of the Shizhu compound slope of the eastern Sichuan fold belt in the eastern part of Sichuan Basin, and the main gas producing beds are the third member of the Fei3 and the second member of the Chang 2. The gas reservoirs of Changer 2 and Fei3 are low porosity, low permeability and normal pressure in Jiannan gas field. Changer and Fei3 gas reservoirs in Jiannan gas field have been developed for many years with the characteristics of low production degree, slow gas recovery rate, high well building and gas production cost, etc. The technical limits of combined production of Changer and Fei-3 gas reservoirs in Jiannan gas field are studied. In order to speed up the gas recovery rate and reduce the gas production cost in Jiannan gas field, this paper provides technical support for the optimization of gas production wells and the working system of combined production wells. This paper mainly through the comparison of existing data, gas reservoir engineering research, Numerical simulation of gas wells and analogical investigation and analysis, etc. The following research contents have been completed: 1) collecting and arranging static and dynamic data of Chang2, Fei3 gas reservoirs, contrasting Chang2, Fei3 gas reservoirs, structural characteristics, reservoir characteristics, fluid properties, current formation pressure, etc. In order to lay a foundation for the study of combined production of Chang2 and Fei3 gas reservoirs in Jiannan gas field, the technical limits of combined production of Changer and Fei3 gas reservoirs are evaluated. Through the evaluation of interlayer interference between the combined production zones of Changer and Fei-3 gas reservoirs and under the difference of reservoir physical properties and percolation characteristics, Comparing the effect of multilayer combined production and stratified production to determine a quantitative parameter range of gas reservoir combined production.) according to the study of the technical limit of combined production of Changer and Fei3 gas reservoirs, combining with the actual data of production, select the suitable for Changer and Fei3 gas reservoirs. Based on the optimal selection of combined production wells, a combined production model is established for the reasonable production of selected gas wells.
【學(xué)位授予單位】：重慶科技學(xué)院
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2017
【分類號】：TE37

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