本文選題：EC-Drill鉆井技術(shù) + 深水鉆井　； 參考：《中國(guó)石油大學(xué)(華東)》2015年碩士論文

【摘要】：在深水鉆井中,常規(guī)鉆井技術(shù)既不經(jīng)濟(jì)也存在較大的鉆井風(fēng)險(xiǎn)。雙梯度鉆井技術(shù)可以有效的解決在深水鉆井中常規(guī)鉆井技術(shù)遇到的鉆井問(wèn)題。在諸多的雙梯度鉆井系統(tǒng)中,建立在無(wú)隔水管鉆井技術(shù)基礎(chǔ)上的EC-Drill鉆井技術(shù)得到廣泛的工業(yè)應(yīng)用,獲得顯著的經(jīng)濟(jì)和環(huán)境效益。本文主要結(jié)合國(guó)家科技重大專項(xiàng)——大型油氣田及煤層氣開(kāi)發(fā)子課題海底泥漿舉升鉆井技術(shù)研究(2008ZX05026-001-12),開(kāi)展適用于我國(guó)南海雙梯度鉆井EC-Drill系統(tǒng)設(shè)計(jì)、動(dòng)力傳輸以及控制單元研究。主要研究進(jìn)展如下:1.EC-Drill鉆井技術(shù)原理及配套方案分析雙梯度鉆井技術(shù)的工作原理,結(jié)合我國(guó)南海500-1500m水深鉆井作業(yè)環(huán)境特點(diǎn),提出適用于我國(guó)南海淺水、深水EC-Drill鉆井技術(shù)方案,該技術(shù)方案包括總體的實(shí)現(xiàn)方案、關(guān)鍵設(shè)備研究、鉆井程序研究和主要技術(shù)特點(diǎn)等。提出EC-Drill鉆井技術(shù)井控技術(shù)方案,研究井控技術(shù)的系統(tǒng)組成、操作程序以及EC-Drill井控特點(diǎn)。2.EC-Drill系統(tǒng)動(dòng)力傳輸系統(tǒng)設(shè)計(jì)結(jié)合動(dòng)力傳輸系統(tǒng)的設(shè)計(jì)原則,完成EC-Drill鉆井系統(tǒng)動(dòng)力傳輸系統(tǒng)設(shè)計(jì)方案。通過(guò)水力學(xué)研究,確定海底泥漿舉升泵組水中位置,并計(jì)算系統(tǒng)輸出功率,對(duì)EC-Drill鉆井技術(shù)動(dòng)力傳輸系統(tǒng)關(guān)鍵設(shè)備進(jìn)行研究。分析動(dòng)力系統(tǒng)設(shè)備特性和EC-Drill鉆井技術(shù)的工作環(huán)境,提出通信系統(tǒng)初步設(shè)計(jì)方案。3.EC-Drill鉆井試驗(yàn)平臺(tái)設(shè)計(jì)在SMD試驗(yàn)平臺(tái)的基礎(chǔ)上進(jìn)行改造,搭建EC-Drill鉆井試驗(yàn)平臺(tái)。分析EC-Drill鉆井試驗(yàn)平臺(tái)工作環(huán)境,設(shè)計(jì)EC-Drill鉆井試驗(yàn)平臺(tái)抗干擾系統(tǒng)。基于LabVIEW軟件設(shè)計(jì)數(shù)據(jù)采集及儲(chǔ)存模塊、串行通信模塊和控制模塊,并通過(guò)試驗(yàn)檢測(cè)系統(tǒng)運(yùn)行狀況以及軟件控制效果。4.EC-Drill鉆井系統(tǒng)控制器設(shè)計(jì)基于質(zhì)量守恒定律和動(dòng)量守恒定律,建立EC-Drill鉆井系統(tǒng)的低階鉆井?dāng)?shù)學(xué)模型,采用現(xiàn)代控制理論方法,建立EC-Drill鉆井系統(tǒng)狀態(tài)空間表達(dá)式,并設(shè)計(jì)最小階觀測(cè)器的觀測(cè)-狀態(tài)反饋控制器,通過(guò)模擬仿真分析控制器的控制效果。
[Abstract]:In deep water drilling, conventional drilling technology is neither economical nor large drilling risk. Dual gradient drilling technology can effectively solve the drilling problems encountered in the conventional drilling technology in deep water drilling. In many dual gradient drilling systems, EC-Drill drilling technology based on the non septate drilling technology is widely used. Industrial application has gained significant economic and environmental benefits. This paper mainly combines the national science and technology major project, a large oil and gas field and the CBM opening project, to study the seafloor mud lifting drilling technology (2008ZX05026-001-12), which is suitable for the design of the EC-Drill system in the South China Sea dual gradient drilling, the dynamic transmission and the control unit. The main research progress is as follows: the principle of 1.EC-Drill drilling technology and its supporting scheme analysis the working principle of the dual gradient drilling technology. Combined with the characteristics of the 500-1500m deep drilling operation environment in the South China Sea, the technical scheme for the shallow water and deep water EC-Drill drilling in the South China Sea is proposed. The scheme includes the overall realization scheme and the key equipment research. The drilling program research and the main technical characteristics are put forward. The well control technical scheme of EC-Drill drilling technology is put forward, the system composition of well control technology, the operation program, the design principle of the dynamic transmission system of the EC-Drill well control characteristic.2.EC-Drill system power transmission system and the power transmission system are completed, and the design scheme of the power transmission system of the EC-Drill drilling system is completed. Through the hydraulic study, the water position of the subsea mud lifting pump group is determined and the output power of the system is calculated. The key equipment of the EC-Drill drilling technology power transmission system is studied. The characteristics of the power system and the working environment of the EC-Drill drilling technology are analyzed, and the design of the preliminary design scheme of the communication system,.3.EC-Drill drilling test platform, is proposed. On the basis of the SMD test platform, the EC-Drill drilling test platform is built, the working environment of the EC-Drill drilling test platform is analyzed, and the anti-jamming system of the EC-Drill drilling test platform is designed. Based on the LabVIEW software, the data acquisition and storage module, the serial communication module and the control module are designed, and the running condition of the test system is tested by the test system. The.4.EC-Drill drilling system controller is designed based on the law of conservation of mass and the law of conservation of momentum, the mathematical model of low order drilling in the EC-Drill drilling system is established. The state space expression of the EC-Drill drilling system is established by modern control theory method, and the observer state feedback controller of the minimum order observer is designed. The control effect of the controller is analyzed by simulation.
【學(xué)位授予單位】：中國(guó)石油大學(xué)(華東)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類號(hào)】：TE52

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