本文選題：智能井 + 井下智能節(jié)點(diǎn)　； 參考：《西安石油大學(xué)》2017年碩士論文

【摘要】：智能井技術(shù)能控制同一井眼不同地層或?qū)佣蔚牧黧w,從而實(shí)現(xiàn)油氣藏的有選擇、有控制的開(kāi)采,不僅能提高單井產(chǎn)量,而且能最終提高油田的采收率。針對(duì)國(guó)內(nèi)小井眼井井下地層流體控制的迫切需要,研制一種能在''521井眼中下入的井下流體控制裝置,其應(yīng)用前景廣闊。論文針對(duì)全電動(dòng)智能井系統(tǒng)井下智能節(jié)點(diǎn)的高溫工作問(wèn)題和微型化問(wèn)題,經(jīng)過(guò)四輪研究設(shè)計(jì)-測(cè)試-改進(jìn)的工作過(guò)程,完成了一套全電動(dòng)智能井系統(tǒng)原理樣機(jī)的研制工作,主要研究成果如下:1.針對(duì)井下工作環(huán)境溫度高、空間狹小、電源電壓變化范圍寬的現(xiàn)實(shí)要求,完成了井下智能節(jié)點(diǎn)的電源電路設(shè)計(jì)和改進(jìn),最終的單元測(cè)試表明,在溫度20℃~125℃、16V~48V的寬輸入電壓范圍內(nèi),電源紋波不大于150mV。2.篩選了一批封裝尺寸小、工作溫度高的核心芯片,完成了井下溫度、壓力、電機(jī)電壓等參數(shù)測(cè)量模塊的軟硬件設(shè)計(jì)和閥門電機(jī)的驅(qū)動(dòng)電路設(shè)計(jì)。3.根據(jù)地面監(jiān)控系統(tǒng)與井下智能節(jié)點(diǎn)的通信需求,設(shè)計(jì)了全電動(dòng)智能井系統(tǒng)的CAN總線通信網(wǎng)絡(luò),完成了其軟硬件設(shè)計(jì)和調(diào)試,通信速率可達(dá)50kps�；赩B編程環(huán)境,設(shè)計(jì)了具有參數(shù)顯示、數(shù)據(jù)存儲(chǔ)、閥門開(kāi)度設(shè)定等功能的地面監(jiān)控軟件。4.完成了井下智能節(jié)點(diǎn)、ICV、閥門開(kāi)度測(cè)量等模塊的總成裝配,制成了測(cè)量準(zhǔn)確、控制可靠、雙向數(shù)據(jù)傳輸?shù)娜妱?dòng)智能井系統(tǒng)原理樣機(jī)。對(duì)原理樣機(jī)的測(cè)試表明:井下智能節(jié)點(diǎn)可封裝于直徑Φ25mm的電子倉(cāng)內(nèi);在125℃溫度時(shí),其工作穩(wěn)定、測(cè)控傳功能正常;地面監(jiān)控平臺(tái)能實(shí)時(shí)獲取和存儲(chǔ)井下智能節(jié)點(diǎn)上傳的數(shù)據(jù),亦可實(shí)現(xiàn)對(duì)ICV的遠(yuǎn)程控制,且ICV動(dòng)作靈活,工作可靠,原理樣機(jī)的功能和性能均滿足設(shè)計(jì)要求。這些研究工作為進(jìn)一步研究全電動(dòng)智能井技術(shù)提供了有益參考。
[Abstract]:The intelligent well technology can control the fluid in different formation or interval of the same hole, thus realize the selective and controlled exploitation of oil and gas reservoir, which can not only increase the production rate of single well, but also improve the recovery factor of oil field. In view of the urgent need of downhole formation fluid control in small borehole wells in China, a downhole fluid control device which can be used in the hole of Yinjian 521 well is developed, which has a broad application prospect. Aiming at the problem of high temperature working and miniaturization of the intelligent node in the downhole of all-electric intelligent well system, after four rounds of research, design-test and improvement, a set of all-electric intelligent well system principle prototype is developed in this paper. The main research results are as follows: 1. In order to meet the practical requirements of high temperature, narrow space and wide range of power supply voltage variation in underground working environment, the design and improvement of power supply circuit of underground intelligent node are completed. The final unit test shows that, In the wide input voltage range of 20 鈩，

本文編號(hào)：1946529