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- The thicker tube ends and double top structure used by CASTON are able to strengthen torque and prolong service life of drill pipe. 在鉆桿接頭加工中，凱司通公司率先采用先進(jìn)的管端加厚及接頭雙頂結構，大大增強鉆桿的許用扭矩和鉆桿壽命。
- Effect of the Defect of Drill Pipe Joint on the Service Life of Drill Pipe 鉆桿接頭缺陷影響使用壽命的試驗研究
- The final configuration of drill pipe and the load applied on it are related to the sequence of loading due to non-conservativeness of plastic bending. 通過(guò)對超短半徑鉆桿轉向過(guò)程的受力分析,建立了滑道的分段阻力模型,提出用滑道阻力系數評定滑道設計的優(yōu)劣。
- Granular additive that neutralizes chlorine in municipal water. Prevents premature breakdown of drilling fluids and extends recycle life of polymer slurries. 顆粒狀添加劑,能抑制水中氯的含量,阻止鉆孔中泥漿的泄露以及延長(cháng)聚合體的重復利用壽命。
- This paper analyses that tip angle of drill bit influences on cutting capability and life of twist drill, when the material and shape of work piece is different. 分析了工件材料、形狀不同時(shí),鉆尖頂角的大小對麻花鉆切削性能及壽命的影響,介紹了麻花鉆的鉆尖頂角的選擇。
- Take model of drill pipe frame as a example, experimental modal based on ODS's testing method is studied and the modal parameter is distinguished and the testing results are analyzed. 以鉆架模型為實(shí)例，研究了其ODS測試方法試驗模態(tài)，識別其模態(tài)參數，分析其測試結果。
- Sure, his dad is a lush, but he's always the life of the party. 沒(méi)錯，他父親是個(gè)酒鬼，但他永遠是宴會(huì )的靈魂人物。
- Make up 15 joints of 5" HW Drill pipe. 接上15根5"加重鉆桿。
- She had lots of drill in listening. 她在聽(tīng)力方面受過(guò)許多訓練。
- She had led a life of luxury and privilege. 她過(guò)著(zhù)養尊處優(yōu)的生活。
- Application of Drilling Pipe Grease in Drill 鉆桿潤滑脂在鉆探生產(chǎn)中的應用
- We hope to have a life of happiness and prosperity. 我們希望擁有成功幸福的生活。
- The digitization management of drill pipes in Chinese oilfields has been always restricted by traditional managing models. 長(cháng)期以來(lái),國內油田鉆具管理的數字化發(fā)展一直受傳統管理模式制約而成為技術(shù)瓶頸;
- They attempted the life of the dictator. 他們試圖殺死這個(gè)獨裁者。
- After months of drilling, oil was found off the coast. 經(jīng)數月鉆探，在沿海找到了石油。
- The life of the patient is at stake. 病人的生命在危急中。
- Failure of Drill Pipe Internally-threaded Joint 鉆桿內螺紋接頭失效分析
- A life of ease is a difficult pursuit. 優(yōu)悠自在的生活，是一個(gè)難以追求的東西。
- Transient liquid phase bonding of drill pipe 石油鉆桿的瞬時(shí)液相擴散焊技術(shù)研究
- The life of the sick man is at stake. 病人的生命危在旦夕。
