本文選題：流量計(jì) + 壓力傳感器��； 參考：《濟(jì)南大學(xué)》2017年碩士論文

【摘要】：在石油資源日趨緊張的大環(huán)境下,提高石油鉆井、資源鉆探等生產(chǎn)過(guò)程的自動(dòng)化水平,提高關(guān)鍵參數(shù)檢測(cè)效率,降低能耗,減少環(huán)境污染是相關(guān)技術(shù)開(kāi)發(fā)人員關(guān)注的研究熱點(diǎn)。鉆井液流變性參數(shù)是各類鉆井生產(chǎn)過(guò)程中必須嚴(yán)密監(jiān)控的重要參數(shù),目前采用的測(cè)量設(shè)備主要是從美國(guó)、德國(guó)進(jìn)口,售價(jià)昂貴,大都安裝于實(shí)驗(yàn)室,少量可攜帶至生產(chǎn)現(xiàn)場(chǎng)。測(cè)量方式為離線。本課題結(jié)合國(guó)內(nèi)外現(xiàn)狀,設(shè)計(jì)出一套直管式在線粘度測(cè)量裝置。該裝置主要由測(cè)量系統(tǒng)和數(shù)據(jù)采集及處理系統(tǒng)兩部分組成,其中測(cè)量系統(tǒng)主要由四部分組成,(1)恒流泵,(2)4段直徑不同的細(xì)管,(3)流量計(jì),(4)4組壓力傳感器。采用科里奧利流量計(jì),實(shí)現(xiàn)鉆井液密度、溫度和流量測(cè)量;流變性參數(shù)用毛細(xì)管測(cè)量;PH值采用PH儀測(cè)量;環(huán)境溫度用兩端式溫度傳感器測(cè)量。用微處理器實(shí)現(xiàn)自動(dòng)測(cè)量和數(shù)據(jù)采集,PC計(jì)算機(jī)實(shí)現(xiàn)數(shù)據(jù)存儲(chǔ)和處理。數(shù)據(jù)采集及處理系統(tǒng)包括最小系統(tǒng)、數(shù)據(jù)存儲(chǔ)模塊、通信模塊、開(kāi)關(guān)量輸出模塊、模擬量輸入模塊等組成。裝置的表觀黏度測(cè)量范圍為5-150mPa·s,測(cè)量精度滿足5%的要求,可代替旋轉(zhuǎn)式粘度計(jì)用于鉆井液粘度的實(shí)時(shí)在線測(cè)量。本系統(tǒng)選用基于ARM Cortex-M4內(nèi)核的STM32F407單片機(jī)作為核心處理器,建立以管段差壓、流量、密度和溫度為輔助變量,以表觀黏度等為主導(dǎo)變量的鉆井液流變性參數(shù)實(shí)時(shí)測(cè)量模型。最后,論文對(duì)粘度計(jì)在實(shí)驗(yàn)室進(jìn)行了聯(lián)合調(diào)試,調(diào)試結(jié)果表明,粘度計(jì)抗干擾能力強(qiáng)、運(yùn)行穩(wěn)定且安全可靠。研制的產(chǎn)品具有操作簡(jiǎn)單、耗時(shí)短、測(cè)量結(jié)果便于遠(yuǎn)傳等特點(diǎn),可從根本上改變現(xiàn)有鉆井液流變性參數(shù)測(cè)量模式,顯著提高鉆井液流變性等參數(shù)的測(cè)量效率,并為促進(jìn)鉆井生產(chǎn)工藝技術(shù)進(jìn)步,提高鉆井生產(chǎn)自動(dòng)化水平打下堅(jiān)實(shí)的技術(shù)基礎(chǔ),具有旺盛的市場(chǎng)需求。
[Abstract]:Under the increasingly tight environment of petroleum resources, improving the automation level of oil drilling, resource drilling and other production processes, improving the efficiency of key parameters detection, reducing energy consumption and reducing environmental pollution are the research focus of related technology developers. The rheological parameters of drilling fluid are important parameters which must be closely monitored in various drilling production processes. At present, the measuring equipment used is mainly imported from the United States and Germany, and the price is expensive, most of them are installed in the laboratory, and a few can be carried to the production site. The method of measurement is offline. According to the present situation at home and abroad, a set of straight-tube on-line viscosity measuring device is designed. The device is mainly composed of two parts: measurement system and data acquisition and processing system. The measuring system is mainly composed of four parts, one) four groups of pressure sensors with different diameters of 4 sections of a constant current pump, a thin tube with different diameters, and a flow meter. Coriolis Flowmeter is used to measure the density, temperature and flow rate of drilling fluid, the PH value of rheological parameters is measured by capillary tube and the temperature of environment is measured by two end temperature sensor. Automatic measurement and data acquisition are realized by microprocessor, and data storage and processing are realized by PC computer. The data acquisition and processing system consists of minimum system, data storage module, communication module, switch output module, analog input module and so on. The measuring range of apparent viscosity of the device is 5-150mPa s, and the measuring precision can meet the requirement of 5%. It can be used to measure the viscosity of drilling fluid in real time and online instead of rotary viscometer. In this system, STM32F407 microcontroller based on ARM Cortex-M4 kernel is selected as the core processor, and a real-time measuring model of rheological parameters of drilling fluid is established, which takes differential pressure, flow rate, density and temperature as auxiliary variables and apparent viscosity as dominant variables. Finally, the paper debugs the viscometer in the laboratory. The debugging results show that the viscometer has strong anti-interference ability, stable operation and safe and reliable operation. The developed product has the advantages of simple operation, short time consuming and convenient remote transmission of the measured results. It can fundamentally change the existing measuring mode of rheological parameters of drilling fluid and improve the measuring efficiency of parameters such as rheological property of drilling fluid. It also lays a solid technical foundation for promoting the progress of drilling production technology and improving the level of drilling production automation, and has strong market demand.
【學(xué)位授予單位】：濟(jì)南大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TE254.1

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