環狀鉆頭 的英文怎麼說
中文拼音 [huánzhuàngzhēntóu]
環狀鉆頭
英文
annular bit-
On the basis of analyzing the rock mechanics, the bit working circumstance and property in the bottom hole of 6000m deep well, and making use of the former equipment such as a derrick, platforms etc, the paper demonstrates that the research and design of the mechanical device have been established including the high pressure simulating well bore, the high pressure connector between the static well bore and the rotating drill pipe, the high pressure simulating system of circulating fluid and the high pressure desander etc. the produce, control and dynamic analysis of the bottom hole four - dimensional pressure ( over burden, confined, pore and column pressure ) have been studied
本文在對井底巖石的受力狀態以及鉆頭的工作環境和特性加以分析的基礎上，藉助原有的井架、平臺等設備，研究設計了模擬6000米井底壓力壞境的高壓模擬井筒、鉆柱高壓轉聯器、鉆井液高壓模擬系統以及高壓除砂器等機械裝置，並研究了井底四維模擬壓力（上覆壓、圍壓、孔隙壓和液柱壓）的產生、控制及其控制的建模與模擬，從而實現井深至6000米的四維井底壓力環境的模擬。In chapter two, the rock mechanics and the bit working circumstance in the bottom hole of 6000m deep well have been discussed. on the basis of which the high pressure simulating well bore and the high pressure connector between the static well bore and rotating drill pipe have been designed
第二章分析探討了井底巖石的受力狀態以及鉆頭的工作環境，並依此研究分析了建立該模擬壓力環境的機械裝置?高壓模擬井筒和鉆柱高壓轉聯器。
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