本文關(guān)鍵詞：新型長沖程水力加壓推進器設(shè)計及改進　出處：《燕山大學(xué)》2015年碩士論文　論文類型：學(xué)位論文

  更多相關(guān)文章： 水平井 托壓 水力加壓推進器 現(xiàn)場試驗 改進方案

【摘要】：在定向井和水平井鉆進過程中,經(jīng)常由于巖屑床、井眼軌跡不圓滑、鉆井液性能差等原因,鉆柱與井壁的摩擦作用大,導(dǎo)致大鉤減小的負荷一部分為鉆柱與井壁的摩擦,剩余的部分才加在鉆頭上。這種托壓現(xiàn)象將會大幅度降低鉆井速度,形成不安全隱患,增加鉆井作業(yè)風(fēng)險。在我國應(yīng)用水力加壓解決托壓問題已有幾十年的歷史,但并沒有得到很好的效果,因此,設(shè)計研究新型水力加壓推進器具有重要的意義。本課題來源于中國石化集團江蘇石油勘探局委托秦皇島燕山大學(xué)李子豐教授進行的“新型水力加壓推進器設(shè)計及送鉆技術(shù)應(yīng)用研究”項目。為彌補國內(nèi)水力加壓器設(shè)計缺陷,設(shè)計一種長沖程可縮入式水力加壓推進器,并通過現(xiàn)場試驗總結(jié)經(jīng)驗,完成方案優(yōu)化改進。本文進行了長沖程可縮入式水力加壓推進器的設(shè)計,其中充分考慮了井下復(fù)雜工況,進行托臺和導(dǎo)向槽的防失效、心軸防掉及心軸下接頭與密封接頭的防撞設(shè)計。運用Pro/E繪圖軟件完成三維運動仿真,運用3D打印技術(shù)打印微型水力加壓推進器模型,完成工作原理驗證。新型水力加壓推進器生產(chǎn)完成后,在江蘇油田永43-3井結(jié)合李子豐教授研發(fā)的定向井送鉆技術(shù)軟件進行了現(xiàn)場試驗,取得良好效果。并在試驗完成后對工具進行拆卸檢查,充分總結(jié)經(jīng)驗。最后提出了水力加壓推進器的改進方案。
[Abstract]:In the drilling process of directional well and horizontal well, the friction between drill string and well wall is great due to cuttings bed, non-smooth well trajectory, poor drilling fluid performance and so on. The load that leads to the reduction of the hook is partly the friction between the drill string and the shaft wall, and the remaining part is added to the drill bit. This pressure relief phenomenon will greatly reduce the drilling speed and form an unsafe hidden danger. To increase the risk of drilling operation. Hydraulic pressure has been used to solve the pressure problem in China for decades, but it has not got a good effect. It is of great significance to design and study a new type of hydraulic pressure thruster. This subject comes from a project commissioned by Professor Li Zifeng of Qinhuangdao Yanshan University by Jiangsu Petroleum Exploration Bureau of Sinopec Group. " New hydraulic pressure thruster design and drilling technology application research "project. In order to make up for the domestic hydraulic pressurizer design defects." A kind of long stroke retractable hydraulic pressure thruster is designed, and the design of long stroke retractable hydraulic pressure propeller is carried out. Considering the complex working conditions of underground, the anti-failure of the support and guide groove, the anti-collision design of the core shaft and the joint under the core shaft and the seal joint are carried out, and the three-dimensional motion simulation is completed by using the Pro/E drawing software. The model of miniature hydraulic pressure propeller is printed by 3D printing technology, and the working principle is verified. After the production of the new type hydraulic pressurized propeller is finished. The field test was carried out in Yon43-3 well of Jiangsu Oilfield combined with the directional well feeding technology software developed by Professor Li Zifeng. Good results were obtained, and the tool was disassembled and checked after the test was completed. Finally, the improvement scheme of hydraulic pressure propeller is put forward.
【學(xué)位授予單位】：燕山大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TE927.9

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