本文選題：氣液兩相流 + 蒸汽計(jì)量�。� 參考：《中國(guó)石油大學(xué)(華東)》2015年碩士論文

【摘要】：在稠油熱采工藝中,飽和蒸汽注入流量、干度、溫度等關(guān)鍵注汽參數(shù)的自動(dòng)、準(zhǔn)確的測(cè)量是提高綜合熱效率和原油采收率的關(guān)鍵因素之一。本課題的研究目的是設(shè)計(jì)一套飽和蒸汽自動(dòng)計(jì)量與遠(yuǎn)程監(jiān)控系統(tǒng),解決注汽參數(shù)不能實(shí)時(shí)計(jì)量和遠(yuǎn)程監(jiān)控的難題。根據(jù)現(xiàn)場(chǎng)工藝要求和計(jì)量技術(shù)需求,確定采用現(xiàn)場(chǎng)終端計(jì)量系統(tǒng)、遠(yuǎn)程監(jiān)控中心、遠(yuǎn)程用戶三層實(shí)時(shí)監(jiān)控的總體設(shè)計(jì)方案�；谀K化、層次化的設(shè)計(jì)思想,設(shè)計(jì)開發(fā)了蒸汽自動(dòng)計(jì)量模塊、溫度控制模塊、數(shù)據(jù)傳輸模塊等硬件,采用LabVIEW開發(fā)了現(xiàn)場(chǎng)的終端主控軟件和監(jiān)控中心的遠(yuǎn)程監(jiān)控軟件。現(xiàn)場(chǎng)終端計(jì)量系統(tǒng)選用節(jié)流法來(lái)實(shí)現(xiàn)稠油井飽和蒸汽參數(shù)的在線測(cè)量,在平板電腦上進(jìn)行現(xiàn)場(chǎng)實(shí)時(shí)監(jiān)控。通過(guò)實(shí)時(shí)采集注汽管線上標(biāo)準(zhǔn)孔板節(jié)流產(chǎn)生的動(dòng)態(tài)差壓、孔板前的壓力這兩個(gè)關(guān)鍵參數(shù),利用飽和蒸汽壓力計(jì)算出溫度、密度,然后由差壓的靜態(tài)值和動(dòng)態(tài)特征,結(jié)合國(guó)際公認(rèn)的飽和蒸汽計(jì)量效果較好的單參數(shù)模型(Murdock模型、Chisholm模型、林宗虎模型)和雙參數(shù)模型(孔板噪聲模型),計(jì)算出蒸汽的實(shí)時(shí)流量、干度。并以Lab VIEW函數(shù)的形式實(shí)現(xiàn)了各種蒸汽計(jì)量模型。為了適應(yīng)新疆極端環(huán)境(高溫、低溫),系統(tǒng)設(shè)計(jì)了環(huán)境溫度控制模塊。遠(yuǎn)程監(jiān)控中心采用GPRS實(shí)現(xiàn)與終端計(jì)量系統(tǒng)的雙向無(wú)線通信,接收現(xiàn)場(chǎng)發(fā)來(lái)的數(shù)據(jù),并根據(jù)通信協(xié)議實(shí)現(xiàn)數(shù)據(jù)解碼,在服務(wù)器上進(jìn)行遠(yuǎn)程實(shí)時(shí)監(jiān)控。并以網(wǎng)頁(yè)的形式發(fā)布,具有權(quán)限的用戶的技術(shù)人員可以通過(guò)遠(yuǎn)程計(jì)算機(jī)(辦公室/家/手機(jī))以網(wǎng)頁(yè)的方式進(jìn)行遠(yuǎn)程監(jiān)控。通過(guò)實(shí)驗(yàn)室測(cè)試,所設(shè)計(jì)的飽和蒸汽自動(dòng)計(jì)量與遠(yuǎn)程監(jiān)控系統(tǒng)運(yùn)行穩(wěn)定,計(jì)量數(shù)據(jù)準(zhǔn)確、遠(yuǎn)程通信可靠,符合現(xiàn)場(chǎng)計(jì)量要求;人機(jī)界面友好,符合用戶操作習(xí)慣。
[Abstract]:In the process of heavy oil thermal recovery, the automatic and accurate measurement of the key steam injection parameters such as saturated steam injection flow rate, dryness and temperature is one of the key factors to improve the comprehensive thermal efficiency and oil recovery. The purpose of this paper is to design a set of saturated steam automatic metering and remote monitoring system to solve the problem that steam injection parameters can not be measured in real time and remote monitoring. According to the requirements of field technology and metrology technology, the overall design scheme of three layers real-time monitoring system, remote monitoring center and remote user is determined. Based on the modular and hierarchical design idea, the hardware of steam automatic measurement module, temperature control module and data transmission module are designed and developed. The terminal master control software and remote monitoring software of monitoring center are developed by LabVIEW. On-line measurement of saturated steam parameters in heavy oil wells is realized by throttling method in the field terminal metering system, and real time monitoring is carried out on the flat computer. The dynamic differential pressure generated by the throttling of the standard orifice plate on the steam injection pipeline and the pressure in front of the orifice plate are collected in real time. The temperature and density are calculated by using the saturated steam pressure, and then the static and dynamic characteristics of the differential pressure are calculated. Combined with the internationally recognized single parameter model Murdock model (Lin Zonghu model) and two-parameter model (hole plate noise model), the real time flow rate and dryness of steam are calculated. Various steam metering models are realized in the form of Lab VIEW function. In order to adapt to the extreme environment (high temperature, low temperature) in Xinjiang, the environmental temperature control module is designed. The remote monitoring center uses GPRS to realize the two-way wireless communication with the terminal metering system, receives the data from the field and decodes the data according to the communication protocol, and carries on the remote real-time monitoring on the server. And published in the form of web pages, the technicians of authorized users can use remote computer (office / home / mobile phone) to remotely monitor the web page. Through the laboratory test, the design of saturated steam automatic measurement and remote monitoring system runs stably, the measurement data is accurate, the remote communication is reliable, conforms to the field measurement requirement, the man-machine interface is friendly, conforms to the user operation custom.
【學(xué)位授予單位】：中國(guó)石油大學(xué)(華東)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TE938;TP277

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本文編號(hào)：1948780