本文選題：柱塞氣舉 + 排水采氣　； 參考：《西南石油大學(xué)》2015年碩士論文

【摘要】：目前蘇X區(qū)塊面臨氣井積液嚴(yán)重、氣井?dāng)y液能力弱等問題。這些問題嚴(yán)重制約了區(qū)塊氣井產(chǎn)能,影響了區(qū)塊的上產(chǎn)與穩(wěn)產(chǎn)。本文研究的柱塞氣舉排水采氣工藝是一種利用間歇開關(guān)井的方式積攢儲層能量,進(jìn)而通過推動油管內(nèi)柱塞上下往復(fù)運(yùn)動排出井筒積液進(jìn)行天然氣開發(fā)的排水采氣方法。目前在該區(qū)塊對若干產(chǎn)水氣井進(jìn)行了柱塞氣舉工藝試驗,為檢驗工藝應(yīng)用效果和適用條件,保證試驗井能實現(xiàn)增產(chǎn)、穩(wěn)產(chǎn),達(dá)到較好的經(jīng)濟(jì)效益,并擴(kuò)大柱塞氣舉工藝的適用范圍,有必要對工藝的關(guān)鍵技術(shù)進(jìn)行分析與研究。 在綜合調(diào)研的基礎(chǔ)上,本文進(jìn)行了柱塞氣舉過程的動力學(xué)研究,建立了其各個工作階段的動態(tài)模型,并提出了柱塞運(yùn)動方程的數(shù)值解法；根據(jù)動力學(xué)分析的成果,探討了影響工藝效果的諸多因素,對工藝參數(shù)進(jìn)行了優(yōu)化設(shè)計,確立了工藝應(yīng)用條件；在先期理論研究的基礎(chǔ)上,結(jié)合區(qū)塊實際條件,對工藝的設(shè)備與配套裝置進(jìn)行了研究和選型,闡明了工藝的安裝流程與施工步驟；繼而利用氣井動態(tài)分析方法對區(qū)塊柱塞試驗井的應(yīng)用效果進(jìn)行了分析研究,詳細(xì)闡述了典型試驗井的應(yīng)用情況和工作制度；同時為了擴(kuò)大工藝的應(yīng)用范圍,發(fā)揮柱塞氣舉無人值守、自動控制的優(yōu)勢,建立了基于集氣站的用于柱塞氣舉井的數(shù)據(jù)采集與監(jiān)控系統(tǒng),包括硬件配置、組態(tài)軟件開發(fā)與通信系統(tǒng)設(shè)計,以實現(xiàn)柱塞氣舉生產(chǎn)過程的實時數(shù)據(jù)采集與遠(yuǎn)程緊急關(guān)斷功能。 通過本文對柱塞氣舉工藝的研究表明,該工藝具有排水效率高、安裝維護(hù)方便等優(yōu)點,適合有一定儲層能量和高氣液比的產(chǎn)水氣井,可根據(jù)研究成果在研究區(qū)塊對該工藝進(jìn)行推廣使用。監(jiān)控系統(tǒng)的建立能很好地發(fā)揮柱塞氣舉工藝自動運(yùn)行的優(yōu)勢,將來可在研究區(qū)塊進(jìn)行現(xiàn)場調(diào)試與應(yīng)用。
[Abstract]:At present, Su X block is faced with serious fluid accumulation in gas wells and weak liquid carrying capacity of gas wells. These problems have seriously restricted the productivity of gas wells in blocks and affected the upproduction and stable production of blocks. The plunger gas lift drainage gas recovery technology studied in this paper is a drainage gas recovery method which accumulates reservoir energy by using intermittent switching wells and then pushes the plunger up and down in the tubing to discharge the wellbore fluid for natural gas development. At present, plunger gas lift technology tests have been carried out in several water-producing gas wells in this block. In order to test the application effect and applicable conditions of the process, the test well can achieve production increase, steady production and better economic benefit. It is necessary to analyze and study the key technology of plunger gas lift technology. On the basis of comprehensive investigation, the dynamics of plunger gas lift process is studied in this paper, the dynamic model of each working stage is established, and the numerical solution of plunger motion equation is put forward, according to the results of dynamic analysis, This paper discusses many factors that affect the process effect, optimizes the process parameters and establishes the application conditions of the process, combining with the actual conditions of the block on the basis of the previous theoretical study, The process equipment and supporting equipment are studied and selected, and the installation process and construction procedure of the process are expounded, and the application effect of the block plunger test well is analyzed by using the gas well dynamic analysis method. The application and working system of typical test wells are described in detail, and in order to expand the application scope of the process, the advantages of unattended plunger gas lift and automatic control are brought into play. A data acquisition and monitoring system for plunger gas lift wells based on gas collecting station is established, including hardware configuration, configuration software development and communication system design, in order to realize real-time data acquisition and remote emergency shutdown of plunger gas lift production process. The research on plunger gas lift technology shows that the technology has the advantages of high drainage efficiency, convenient installation and maintenance, and is suitable for water and gas production wells with certain reservoir energy and high gas-liquid ratio. According to the research results, the process can be popularized and used in the research area. The establishment of monitoring system can give full play to the advantages of automatic operation of plunger gas lift technology, and can be used in the field debugging and application in the future.
【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】：TE377

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