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- Meanwhile,the downhole motor and MWD are not affected and wellbore trajectory can be controlled because of the continuous fluid phase flow throughout the bore hole. 同時由於從井口到井底始終存在著連續的液相流,常規井下動力鑽具和隨鑽儀器的性能不受影響,可以進行正常的井眼軌跡控制。
- At the same deviation, the big WOB can be applied to increase the penetration rate in the straight hole. 在防斜效果不變的情況下,可採用較大鑽壓鑽進,大大提高了直井段的機械鑽速。
- Moreover, regarding to reducing the longitudinal vibration of bottom string in straight hole, there is the problem of optimization grouping between WOB and rotary speed. 另外,在減小直井底部鑽柱縱向振動的問題上存在鑽壓與轉速的優化組合。
- Capability of produce: injection rubber by import machine, milling rotor by abroad system, complete motor test system, downhole motor assembly and adjust. 工藝:進口設備註膠,國外系統銑轉子,馬達整機實驗台,自動化鑽具組裝調試。
- The paper presents the calculation method of build-up rate of downhole motor with two bent subs in drilling short-radius horizontal wells, based on finite element reiteration. 提出了以有限元動坐標迭代法為基礎的短半徑水平並雙彎馬達造斜率的計算方法,並給出了大麴率井眼中鑽頭側向力的二重非線性數值解。
- Location and spacing of sucker rod centralizers in straight holes. 直井抽油桿柱扶正器安裝位置及安裝間距。
- The extension drill rod which can be used for higher capacity drill,the drill hole can be extended to sezeral meetrs, when drilling the straight hole,the core lifter can help coring. 選用加長鑽桿於較大能力的鑽機,可將鑽孔延深至數米,鑽垂直孔時,可採用取芯器配合取芯。
- In the straight hole,the complex metallic ion polymer drilling fluid system was used.The drilling fluid filtrate was controlled well,and the formation hydrating and swelling were prevented. 該井直井段採用複合金屬離子聚合物鑽井液體系,較好地控制了鑽井液濾失量,減少了濾液滲入地層,防止了地層水化膨脹。
- DPMA-1 can also be used to monitor the changes in the temperature and pressure of drilling fluid, so as help to judge the working condition of the downhole motor, and drilling fluid circulation resistance , etc. 該儀器在檢測井斜的同時 ,還可監視鑽井液溫度、壓力的變化 ,由此判斷井底機具的工況、鑽井液循環時的沿程阻力等。
- According to the experimental device designed on the basis of the principle of similitude, the longitudinal vibration characteristics of bottom string in straight hole were investigated. 摘要為了了解直井眼中底部鑽柱的縱向振動特性,利用根據相似理論設計出的鑽柱動力學模擬試驗裝置,對不同參數組合下的鐘擺鑽具組合縱向振動特性進行了模擬實驗研究。
- A series of advanced technologies are applied,e.g.,DC electric rig,stepless speed regulation pump and top drive system,steerable drilling system,powerful downhole motor,and advanced drill bit. 該井採用了直流電動鑽機、無級調速泵及頂部驅動裝置、導向鑽井系統、大功率優質馬達、優質鑽頭等一系列先進工藝,經科學論證與施工,取得了滿意的效果。
- All third party equipment, such as downhole motors, MWD, stabilisers, drilling jars, must have detailed fishing diagram available. 第三方的鑽具如井下馬達、MWD、扶正器、震擊器必須有詳細的打撈圖。
- His strength in a crisis is an ace in the hole. 臨危不懼是他的看家本領。
- Evaluation of formation drill-ability anisotropy has important effect for preventing deviation of straight holes and planning drilling trajectories of directional wells. 地層可鑽性各向異性評價在直井防斜以及定向井井眼軌跡控制中具有重要的意義。
- Keep straight on until you get to the church. 一直朝前走就走到教堂了。
- It's three blocks straight ahead. 一直往前走過三個街區就是。
- He chiseled a hole in the door to fit a new lock. 他在門上鑿了個孔,以便裝一把新鎖。
- She gave it to me straight from the shoulder. 她坦誠地批評我。
- The bird picked a hole in the ice with its beak. 那鳥在冰上啄出了一個洞。
- The child has picked a hole in his new jumper. 孩子的新毛衣上勾了一個洞。