本文選題：旋轉(zhuǎn)導(dǎo)向　切入點(diǎn)：全旋轉(zhuǎn)內(nèi)置式　出處：《西安石油大學(xué)》2017年碩士論文　論文類型：學(xué)位論文

【摘要】：旋轉(zhuǎn)導(dǎo)向鉆井技術(shù)是現(xiàn)代鉆井技術(shù)發(fā)展的最高階段,相比以往鉆井方式具有井眼軌跡控制精確、鉆井周期短、井筒質(zhì)量高等特點(diǎn),廣泛應(yīng)用于水平井、超深井、大位移井、高難定向井等特殊工藝井的實(shí)施,它的不斷發(fā)展完善將是鉆井技術(shù)發(fā)展的主要趨勢(shì)。旋轉(zhuǎn)導(dǎo)向鉆井系統(tǒng)的開發(fā)是旋轉(zhuǎn)導(dǎo)向鉆井技術(shù)發(fā)展的核心,研發(fā)具有商業(yè)使用價(jià)值的旋轉(zhuǎn)導(dǎo)向鉆井系統(tǒng),對(duì)提高我國(guó)石油工業(yè)的國(guó)際競(jìng)爭(zhēng)力具有重大戰(zhàn)略意義。本文對(duì)比了已有的旋轉(zhuǎn)導(dǎo)向鉆井系統(tǒng)的結(jié)構(gòu)形式,提出了一種新形式的旋轉(zhuǎn)導(dǎo)向鉆井工具的設(shè)計(jì)方案,完成了各項(xiàng)參數(shù)設(shè)計(jì)和結(jié)構(gòu)設(shè)計(jì)并進(jìn)行了校核計(jì)算,分析了所設(shè)計(jì)鉆具的造斜能力。基于機(jī)構(gòu)學(xué)基本原理,結(jié)合全旋轉(zhuǎn)內(nèi)置式鉆具的工作原理,建立了導(dǎo)向機(jī)構(gòu)的運(yùn)動(dòng)學(xué)模型,并進(jìn)行了運(yùn)動(dòng)學(xué)分析,在此基礎(chǔ)上提出了導(dǎo)向機(jī)構(gòu)的工具角與工具面角調(diào)節(jié)條件。利用Solidworks建立了導(dǎo)向機(jī)構(gòu)的三維模型,完成了運(yùn)動(dòng)學(xué)仿真,驗(yàn)證了控制方法的正確性。本文還建立了全旋轉(zhuǎn)內(nèi)置式鉆具導(dǎo)向機(jī)構(gòu)的機(jī)構(gòu)動(dòng)力學(xué)模型,偏心環(huán)組機(jī)構(gòu)的剛體動(dòng)力學(xué)模型以及導(dǎo)向軸的振動(dòng)模型,分別利用牛頓第二定律、拉格朗日方程法和傳遞矩陣法進(jìn)行了動(dòng)力學(xué)分析,得到了導(dǎo)向機(jī)構(gòu)和偏心環(huán)組機(jī)構(gòu)的動(dòng)力學(xué)響應(yīng)以及導(dǎo)向軸的固有頻率。利用有限元分析軟件ANSYS對(duì)導(dǎo)向軸進(jìn)行了模態(tài)分析,對(duì)導(dǎo)向機(jī)構(gòu)的旋轉(zhuǎn)外套進(jìn)行了結(jié)構(gòu)靜力學(xué)分析,校核了旋轉(zhuǎn)外套的強(qiáng)度。
[Abstract]:Rotary steering drilling technology is the highest stage of modern drilling technology. Compared with the previous drilling methods, it has the characteristics of accurate well trajectory control, short drilling period and high wellbore quality. It is widely used in horizontal wells, ultra-deep wells, and extended reach wells. The implementation of special technology wells such as highly difficult directional wells, whose continuous development and perfection will be the main trend of drilling technology development, the development of rotary steering drilling system is the core of the development of rotary steering drilling technology. The research and development of rotary steering drilling system with commercial value is of great strategic significance to improve the international competitiveness of China's petroleum industry. In this paper, a new design scheme of rotary steering drilling tool is put forward. The design of parameters and structure is completed and checked and calculated, and the inclination ability of the designed drilling tool is analyzed based on the basic principle of mechanism. The kinematics model of the steering mechanism is established and the kinematics analysis is carried out according to the working principle of the fully rotating built-in drilling tool. On this basis, the adjustment conditions of the tool angle and the tool face angle of the steering mechanism are put forward. The three-dimensional model of the steering mechanism is established by using Solidworks, and the kinematics simulation is completed. The correctness of the control method is verified. In this paper, the dynamic model of the steering mechanism of the fully rotating internal drilling tool, the dynamic model of the rigid body and the vibration model of the guide shaft of the eccentric ring group mechanism are established respectively, and the second Newton's law is used, respectively. The Lagrangian equation method and transfer matrix method are used to analyze the dynamics, the dynamic response of the guide mechanism and eccentric ring group mechanism and the natural frequency of the guide shaft are obtained. The modal analysis of the guide shaft is carried out by using the finite element analysis software ANSYS. The structural static analysis of the rotating jacket of the steering mechanism was carried out, and the strength of the rotating jacket was checked.
【學(xué)位授予單位】：西安石油大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類號(hào)】：TE921.2

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