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- The deep well coal road cable of small diameter hole and high pre-tension structure and craft were studied according to the condition of high stress and composite roof in Fengcheng coal field. 結合豐城礦區高地應力、合頂板等複雜地質條件,研究深井條件下煤巷錨索採用小孔徑、加高預應力的結構形式和施工工藝。
- Application of small diameter hole and pre-tension cable technique in open-off cut 小孔徑預應力錨索技術在開切眼中的應用
- Application of the Technique of Springing Blasting in Small Diameter Hole to the Roadbed Pitting 小孔徑擴壺爆破技術在路塹開挖中的應用
- Spreading and application of the small diameter hole digged manually in the western region of Zhejiang province 浙西地區小直徑人工挖孔樁的推廣應用
- Mid-depth parallel cut blast technology of small diameter hole in narrow-bore tunnel 小斷面隧洞小直徑空眼中深直眼掏槽爆破技術
- Gordian technique for separated layer instrument in slim hole. 小直徑井下分層治理工具關鍵技術
- Considering small annular clearance and large hole curvature in slim hole, the nonlinear mechanics analysis of BHA is carried out by gap-element method. 針對小井眼水平井環空間隙小、曲率大的特點,應用間隙元法對下部鑽具組合進行了非線性靜力學分析;
- small diameter hole 小口徑鑽孔
- Now this technique is applied in the slim hole drilling in Daqing Oil Field. 目前,此項技術已在大慶油田小井眼鑽井中推廣應用。
- small diameter hole drilling 小口徑鑽進
- A crosslinking agent DCL-KB was developed against the characteristic of slim hole fracturing. 根據小眼井的特點和技術要求,研製了可控制交聯時間的延遲交聯劑DCL-KB,該劑是硼與特殊的配位絡合體在常溫下合成的,比普通硼砂分子大得多的絡合物。
- The development of a whole high - speed steel drill for deep holes applying to medium and small diameter holes 中小孔徑整體型高速鋼深孔鑽頭的研製
- The theory of multi-object optimization is used to perform an optimized designation of slim hole drilling parameters. 應用多目標優化理論,對小井眼鑽井參數進行了優化設計。
- Since 1995,sidetracking operations have been conducted in Zhongyuan Oilfield,and a set of perfect slim hole sidetracking technology has been formed. 中原油田自1995年以來開始進行了老井開窗側鑽小眼井技術,數年的努力形成了一套完善工藝。
- The coring technology in deep slim hole has been applied in China.It provided dependable core data for exploratory development. 深井小井眼鑽井取心技術作為其配套技術,已相繼在國內油田應用,為勘探開發提供了可靠的岩心資料。
- Can a smaller diameter fiber be used in the probe? 更小直徑的光纖能在探測器中使用嗎?
- Smaller diameter slip ring to increase brush life. 集電環減小,延長電刷使用壽命。
- In order to reduce the investment on peripheral stripper wells, the technique of producing oil with slim hole is adopted. 採用小井眼技術進行開採,主要是為解決外圍低產油田開發投資大、經濟效益差的問題。
- Were the wire of a small diameter ,its resistance would be increased . 如果導線的直徑小一些,其電阻就會增加。
- With the low drilling cost,low drillings and low environment pollution,the slim hole drilling has a great development worldwide in recent year. 由於小井眼鑽井成本低、排出岩屑體積小,對環境污染小,近幾年來在世界範圍內得到了大力發展,因此,各種小井眼鑽井設備應運而生。