螺桿鉆井 的英文怎麼說
中文拼音 [luógǎnzhēnjǐng]
螺桿鉆井
英文
dyna-drilling-
Diamond press machine, synthetic diamond and its products various pressure containers other produts sucker rods, various derricks, drilling tools, hydraulic jacks, water swivels, hydraulic breakout tools, hydraulic pumping units and so on
該廠的主要產品有：地質巖芯鉆機工程施工鉆機水文水井鉆機汽車鉆機鉆塔泥漿泵金剛石壓機人造金剛石及製品液動螺桿鉆泵井壁管和抽油桿以及一In the structure of downhole assembly for steering well drilling, the selection of tool stabilizer, upper stabilizer and calculated outside diameters, the selection of screw bending angle have influence on the side force of azimuthal increase and decrease, it can be used for evaluating the deflecting characters of steering drilling, analyzing and designing the steering downhole assembly
摘要在導向鉆井鉆具組合結構中，本體穩定器、上穩定器的選用與計算外徑，以及螺桿彎角的選用，對用全力增、減方位時的側向力有影響，可用來評價導向鉆井鉆具造料特性，分析和設計導向鉆具組合。Based on the last achievements in the field, a research on the dynamic mechanics properties of bha with bended screwdrill during rotary drilling was done. the research results reveal the dynamic mechanics properties of bha with bended screwdrill during rotary drilling
在國內外現有研究成果的墓礎上，對用螺桿鉆實施隱鉆跟蹤地質目標導向鉆並作業的特點及其鉆井時的滑動態、轉動態力學性能進行了分析和研究，揭示了導向鉆具在復合鉆進時的動力學特性。Abstract : a method was put forward for the detection of the fatigue cracks at the thread roots of a drill pipe by using ultrasonic wave. the specific detection probes were designed. simulated cracks were detected. the results show that the probes can effectively detect the cracks whose depth is more than 1mm and the detection errors of the depth and length of the cracks are less than 1mm and 3mm respectively
文摘:鉆桿螺紋根部疲勞裂紋是鉆桿鉆井服役中產生的常見缺陷類型，是鉆桿螺紋發生斷裂的重要根源.本文介紹了鉆桿螺紋疲勞裂紋超聲檢測原理，設計了專用超聲檢測探頭和檢測裝置，給出了檢測試驗結果，證明了鉆桿螺紋疲勞裂紋超聲檢測的可行性和實用性分享友人