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- The correct volume ensures that the column of fluid in the tubing string is balanced by the column of fluid in the annulus. 正確的用量確保了在油管柱中的液柱被環(huán)形空間中的液柱所平衡。
- The contraction force will be produced in unsetting of hydraulic packer by lifting tubing string because of effect pressure and pumping and so on. 采用上提管柱解封的液壓式封隔器管柱，由于壓力效應及泵抽等因素影響，將產(chǎn)生一定的收縮力。
- This paper deduced equation by analyzing strength endured by tubing string,based on formula,taking advantage of graphical method checkout the maxim setting depth and strength. 通過(guò)對組合管柱的受力分析,依據推導的公式,找到了一種采用圖板進(jìn)行油管柱最大下入深度和強度校核的方法。
- It is a difficult work to calculate the deflection of filament wound tapered tube at bending because of changing layer thickness in every cross section. 纖維纏繞的錐形管,由于各截面的纖維層厚在不斷變化,彎曲變形計算比較困難。
- This tester is used for determining the transverse compression strength of paper tube, bobbin, paper can, and composite can... etc. it can also be used for testing taper tube. 紙管抗壓試驗機，電動(dòng)紙管抗壓試驗機是專(zhuān)門(mén)測試紙管,膠管,紙罐之橫壓強度,或一般小型包裝容器之抗壓能力。
- The causes of abrasion of sucker rod string and tubing string aie analyzed, and it is indicated that the effective measure for preventing the abrasion is using sucker rod centralizers. 分析了油管和抽油桿產(chǎn)生偏磨的原因，指出防止油管和抽油桿偏磨的有效措施是采用抽油桿扶正器。
- Method;The posterior wall of bladder neck were cut and sutured into taper tube, which were then pulled out to perineum and sutured to urethral meatus to replace the urethra. 方法:自膀胱頸后唇向上,取梯字形壁瓣,形成錐狀管,經(jīng)膀胱頸口,自陰道前壁外拉至外陰部,在原尿道外口處固定,替代尿道。
- Installing an electrical conductor or hydraulic conduit further enhances the capability of a coiled tubing string and enables relatively complex intervention techniques to be applied safely. 安裝一個(gè)電導體或水力導管將進(jìn)一步地提高撓性管柱的性能，并使相對復雜的采油井下工藝措施技術(shù)能安全地被使用。
- In the finite element model the gap elements are arranged at the ends of girder element of the tube string to simulate the contact and friction among rod, tube and casing string. 通過(guò)構建雙層接觸間隙元，建立有限元分析模型，將油管柱、套管柱和抽油桿柱之間作為一個(gè)耦合的整體進(jìn)行有限元力學(xué)分析。
- The force state of per foration tube string for testing of oil is analyzed with the finite clearance e lement method, and the field applied examples prove its reliability and veracit y. 用此方法對試油測試射孔管柱的受力狀態(tài)進(jìn)行了分析,并通過(guò)現場(chǎng)應用實(shí)例證明了此方法的可靠性和準確性。
- tapered tube and disc type flow meter 錐形管圓盤(pán)式浮子流量計
- tubing string with down-hole tools 井下管柱
- The author pointed out that tubing anchor can not only control the tubing flex , but also improves force status , prolong the using life of tubing strings . 指出油管錨(油管張力錨除外)不僅可以控制管柱的伸縮,而且可以改善管柱的受力狀況,延長(cháng)油管的使用壽命。
- DEFLECTION CALCULATION OF FILAMENT WOUND TAPERED TUBE 纖維纏繞復合材料錐管的撓曲變形計算方法
- Design of automatic vertical pipe rack for oilfield tubing string 油管柱立式自動(dòng)排架設計
- The organization tapered off in about a year. 這個(gè)組織在一年左右的時(shí)間里逐步停止了活動(dòng)。
- The economic boom tapered off in the 1970s. 經(jīng)濟繁榮在七十年代慢慢消失了。
- Force and vibration analysis of tubing string in rod-pumped wells 桿式抽油井油管受力和振動(dòng)分析
- Oil feeds into the machine through this tubing. 油經(jīng)過(guò)這個(gè)管子流入機器。
- Lowering sucker rods and tubings with promiscuous grades may cause breaking or parting of rod or tubing strings. 把級別混淆的抽油桿管下入井下,將導致桿管斷裂、脫落等事故。
