硬巖層中鉆進 的英文怎麼說
中文拼音 [yìngyáncéngzhōngzhēnjìn]
硬巖層中鉆進
英文
rough drilling-
Drill efficiency could be promoted sharply in penetration of high - medium hard sand rock rock formation. its wings are of higher wear resistance and impact efficiency. to repeat repair grind are not necessary
大幅提高中硬巖層砂巖的鉆進效率，刀翼耐磨抗沖擊性強，不需反復修磨，鉆頭壽命長。The article introduces the basic concepts and common methods of fuzzy mathematics, initially discussing the applications of fuzzy mathematics in the following aspects : 1 ) division of " skidding " strata with grade of membership that are drilled with diamond bits ; 2 ) comprehensive evaluation on the application in evaluation of diamond bits, classification of rock drillability, and evaluation of clay ; 3 ) classification of " hard rock " through fuzzy clustering analysis ; 4 ) estimation of completion time of boreholes and evaluation of underg round water with fuzzy mathematics ; 5 ) identification of new ore areas and option of best water resource area with fuzzy model ; 6 ) option of diamond bits and evaluation on oil field development plan with fuzzy resemble option and the improved calculation method ; ? ) prediction of mud slurry performance and of the amount of surging water in ore pits with fuzzy control ; 8 ) comprehensive evaluation of diamond bits and supporting plan of deep foundation pit with fuzzy optimal theory
初步探討了以下幾方面的應用： 1 ）用隸屬度劃分金剛石鉆進「打滑」地層； 2 ）綜合評判在金剛石鉆頭評價、巖石可鉆性分級及鉆探造漿粘土評價中的應用； 3 ）用模糊聚類分析進行「硬巖石」分類； 4 ）用模糊數進行鉆孔竣工時間預估及地下水質評價； 5 ）模糊模式識別在新礦區類型識別和最佳水源地選擇中的應用； 6 ）模糊相似選擇及其改進演算法在金剛石鉆頭選擇和油田開發方案評價中的應用； 7 ）模糊控制在泥漿性能和礦坑涌水量預測中的應用； 8 ）優化理論模型在金剛石鉆頭和深基坑支護方案綜合評價中的應用。The present situation of many areas lack water seriously in china and execution of strategy of national geology survey makes it become urgent assignment that how to drill soft - middle hard rock rapidly and with high efficiency encountered frequently in drought and water - scarce area
摘要中國許多地區嚴重缺水的現狀及國家地質大調查戰略的實施，使得如何快速、高效鉆進乾旱缺水地區大量遇到的軟中硬巖層成為當務之急。Abstract : being aimed at the poor rock - breaking efficiency of rotary water jet in hard formations and deep wells with radial horizontal well technology, by use of powerful advantages of abrasive jet rock - breaking, experimental study on rotary abrasive jet was made
文摘:針對徑向水平井鉆井技術中旋轉水射流在硬地層和深井中破巖能力低的不足，利用磨料射流破巖能力強的優勢，對旋轉磨料射流進行了試驗研究。Skin impregnated drillbits are suitable for drilling in the medium - hard rock formation with f 6 - 10
表鑲鉆頭適用於f 6 - 10機中硬及堅硬巖層的鉆進分享友人