發(fā)布時間：2018-03-30 04:22

  本文選題：采氣井口裝置　切入點(diǎn)：通徑檢測　出處：《西南石油大學(xué)》2015年碩士論文

【摘要】：采氣井口裝置是控制氣井生產(chǎn)的重要地面設(shè)備,四川氣田由于地形復(fù)雜且地層流體多含酸性氣體C02和H2S,導(dǎo)致四川地區(qū)采氣井口裝置失效問題嚴(yán)重,帶來了嚴(yán)重的多類型安全隱患,準(zhǔn)確有效的檢測方法和安全評估及時發(fā)現(xiàn)隱患,是現(xiàn)在的當(dāng)務(wù)之急。 本文在充分調(diào)研的基礎(chǔ)上,提出了一種適用于采氣井口裝置內(nèi)壁質(zhì)量檢測的方案,并在所提方案的基礎(chǔ)上,針對采氣井口裝置內(nèi)部高溫高壓、高含硫、高流速和小曲率半徑等特殊情況,進(jìn)行了采氣流道通徑檢測裝置的研究及設(shè)計(jì)、內(nèi)視檢測系統(tǒng)的研究及設(shè)計(jì)以及用于輔助檢測裝置進(jìn)入采氣井口裝置側(cè)翼轉(zhuǎn)向機(jī)構(gòu)的研究及設(shè)計(jì)。 通徑檢測采用多點(diǎn)接觸方案,并完成了測臂的設(shè)計(jì)和運(yùn)動學(xué)分析,所設(shè)計(jì)的測臂凸輪壓力角在合理的設(shè)計(jì)范圍之內(nèi),測臂凸輪輪廓滿足測量要求；內(nèi)視檢測系統(tǒng)由硬件系統(tǒng)和軟件系統(tǒng)組成,硬件系統(tǒng)包括光纖內(nèi)窺鏡采集圖像采集卡和上位機(jī),主要實(shí)現(xiàn)圖像的采集和傳輸,軟件系統(tǒng)采用VS2010C++進(jìn)行了開發(fā),實(shí)現(xiàn)圖像的實(shí)時顯示及存儲；轉(zhuǎn)向機(jī)構(gòu)的研究及設(shè)計(jì),主要完成了轉(zhuǎn)向機(jī)構(gòu)方案的選擇,各個組件的設(shè)計(jì)及裝配,通過對采氣井口裝置內(nèi)部轉(zhuǎn)向機(jī)構(gòu)的運(yùn)動仿真出現(xiàn)的尺寸干涉進(jìn)行了轉(zhuǎn)向機(jī)構(gòu)各個組件的優(yōu)化設(shè)計(jì),最終轉(zhuǎn)向機(jī)構(gòu)順利完成采氣井口裝置內(nèi)部轉(zhuǎn)向。 通過模擬仿真實(shí)驗(yàn)表明,所設(shè)計(jì)多臂通徑檢測裝置可以實(shí)現(xiàn)通徑檢測,轉(zhuǎn)向機(jī)構(gòu)可以完成小曲率情況下的轉(zhuǎn)向；通過室內(nèi)管道內(nèi)視實(shí)驗(yàn),內(nèi)視檢測系統(tǒng)可以實(shí)時采集圖像并顯示,可以實(shí)現(xiàn)內(nèi)壁質(zhì)量的檢測,驗(yàn)證了方法的可行性和正確性。本課題的研究成果將為采氣井口裝置在役內(nèi)壁質(zhì)量的檢測的進(jìn)一步研究提供參考依據(jù)。
[Abstract]:The gas production wellhead device is an important surface equipment for controlling gas well production. Because of the complex topography and the formation fluid containing acidic gases C02 and H 2S, the gas recovery wellhead device in Sichuan area is seriously invalid. It has brought many kinds of safety hidden trouble. It is urgent to find the hidden trouble in time by accurate and effective detection method and safety evaluation. On the basis of full investigation and investigation, this paper puts forward a scheme suitable for testing the inner wall quality of gas recovery wellhead device, and on the basis of the proposed scheme, aiming at the high temperature and high pressure and high sulfur content inside the gas production wellhead unit, In this paper, the research and design of the measuring device for the diameter of the gas channel are carried out under the special conditions such as high velocity and small radius of curvature. The research and design of the internal inspection system and the flank steering mechanism for the auxiliary detection device entering the gas production well head. The design and kinematics analysis of the measuring arm are completed. The pressure angle of the measuring arm cam is within a reasonable design range, and the profile of the measuring arm cam can meet the requirements of measurement. The system consists of hardware system and software system. The hardware system includes an image acquisition card and a host computer, which mainly realizes image acquisition and transmission. The software system is developed with VS2010C. The research and design of steering mechanism mainly completes the selection of steering mechanism scheme, the design and assembly of each component, the realization of real-time image display and storage, and the research and design of steering mechanism. The optimization design of each component of the steering mechanism was carried out by the dimension interference which appeared in the motion simulation of the internal steering mechanism of the gas production wellhead device, and finally the steering mechanism successfully completed the internal steering of the gas production wellhead device. The simulation results show that the designed Dobby diameter detecting device can be used to detect the path diameter, and the steering mechanism can complete the steering under the condition of small curvature. The system can collect and display images in real time, and can detect the quality of inner wall. The feasibility and correctness of the method are verified. The research results of this paper will provide a reference for the further research on the quality of in-service inner wall of the gas recovery wellhead device.
【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】：TE931.1

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本文編號：1684350