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- The results of inclining-prevention drilling assembly with stabilizers are not so ideal during drilling decimated formations. 在易斜地層鉆進(jìn)時(shí)，帶扶正器的防斜鉆具組合的防科效果往往不甚理想。
- Scientific drilling methods,proper drilling assembly and monitoring with drilling shall be used to ensure success of horizontally sidetracked wells during ... 科學(xué)的工藝措施、合理的鉆具組合、適宜的隨鉆監控方法是保證側鉆水平井成功的關(guān)鍵。
- When the mechanics performance of BHA(Bottom Drilling Assembly),that consists of conventional stabilizer and drilling collar,can not meet actual operation,it has to be changed. 常規穩定器和鉆鋌構成的底部鉆具組合(BHA)其力學(xué)特性不能改變,若與實(shí)際要求不相符合時(shí),必須起下鉆更換。
- Scientific drilling methods, proper drilling assembly and monitoring with drilling shall be used to ensure success of horizontally sidetracked wells during the drilling operation. 科學(xué)的工藝措施、合理的鉆具組合、適宜的隨鉆監控方法是保證側鉆水平井成功的關(guān)鍵。
- A mechanical model for the offset-axes pendulum drill assembly (OAPDA) was established according to the continuous beam theory and the D. 運用縱橫彎曲連續梁理論和達朗伯原理,建立了偏軸鐘擺鉆具組合動(dòng)力學(xué)分析模型。
- By forming a thin film around the drill bit,drill assembly,thus preventing the balling of the drill bit and drill pipe,the ROP accelerators rendered the mud lubricity and incre... 機械鉆速提速劑能在鉆頭、鉆具組合等金屬表面形成一層薄膜,防止鉆屑黏附于鉆頭和鉆具上發(fā)生泥包,從而起到潤滑的效果,提高了鉆速。
- It is required for us to understand the detailed buckling behavior of tubing in order to optimize the design of drilling assembles and to reduce the cost. 因此現代石油鉆采工程要求能夠對鉆柱的屈曲行為有一個(gè)較為準確的了解,以此來(lái)優(yōu)化鉆井設計,降低鉆探成本。
- This screwdriver has been magnetized. 這把改錐已經(jīng)磁化了。
- Jack was assigned to the assembly shop of the factory. 杰克被分配到廠(chǎng)里的裝配間工作。
- The drilling troops mustered on the hill. 演習部隊在小山上集合起來(lái)了。
- Dalian is a magnet for tourists. 大連是吸引游客的地方。
- Robots are replacing people on assembly lines. 機器人逐漸代替了裝配線(xiàn)上的工人。
- The workman is drilling in the wall. 工人正在墻上打孔。
- Drilling is cutting a hole with a drill. 鉆削就是用鉆頭鉆一個(gè)孔。
- This disco is a magnet for young people. 這家迪斯科舞廳經(jīng)常吸引大批年輕的顧客。
- SMDC short magnetic drill collar 短有磁鉆鋌
- The head teacher told the school at assembly. 校長(cháng)在全校學(xué)生大會(huì )上講話(huà)。
- Particular requirements for magnetic drill presses 磁力鉆床壓力機特殊要求
- A legislative assembly is being held. 一個(gè)有關(guān)立法的會(huì )議正在召開(kāi)。
- A magnet attracts both iron and steel. 磁鐵吸鐵也吸鋼。
