casing wear 中文意思是什麼
casing wear
解釋
套管磨損-
The results show that adding certain quantity manganese to 28cr cast iron will maintain its better corrosion resistance and wear resistance, ever in the thick casing work piece
結果表明，在28cr鑄鐵中加入適量的錳，可以使其保持較好的耐蝕性能和抗磨損性能，即使是在厚大斷面鑄件中。 -
This machine used mylar for material, it can automatic one - off laminate one side or two sides, it can widely used in laminate casing box 、 food box 、 books and magazines 、 drawing papers 、 advertisements 、 certificates 、 radon glasses ' surface and so on., the printing after laminate, proof water 、 wear well 、 design perspicuity 、 third dimension intense intensely
該機以予塗聚脂薄膜為材料，能自動一次性單面、雙面復膜，可廣泛應用於窗式包裝盒、食品盒、書刊、圖紙、廣告、證件、鐳射玻璃等製品的表面復膜，經復膜后的印刷品，防水、經久耐用、圖樣明晰、立體感強。 -
It can lead to not only quick wear and early failure of drill pipe but also the decrease of collapse resistance and burst resistance of casing string, which could cause casing collapse, casing deformation and casing leak, even well bore abandonment
其直接後果是：鉆柱快速磨損，導致過早失效；套管磨損會降低套管柱的抗擠強度和抗內壓強度，造成套管柱擠毀、變形及泄漏，嚴重時造成全井報廢。 -
The highlights of this paper include : hoop toughness criterion for longitudinal heat checking of tool joint was introduced firstly ; failure criterion for crescent - shaped wear casing was established according to the results of full - scale collapse tests ; new - typed alloy for hardbanding of tool joint was developed, its property has showed good performance in the tests
本文的主要創新點在於：以現場失效案例分析為基礎，提出了鉆桿接頭縱向熱裂的橫向韌性判據；通過對已磨損套管的實物擠毀試驗研究，確定了不均勻磨損套管的擠毀失效準則；設計出了具有獨立知識產權的鉆桿接頭硬化帶用新型耐磨減摩合金的成分，經實驗室試驗表明其性能可以達到或超過國外同類產品。 -
The results have given the reason of tool joint with one side hardbanding and double sides hardbanding could reduce casing wear, and the theoretical foundation and technical guidelines to technology of tool joint hardbanding
分析結果很好地解釋鉆桿接頭單、雙邊敷焊硬化帶降低套管磨損的原理，為鉆桿接頭敷焊硬化帶工藝提供了理論基礎和技術依據。 -
Drilling time will be lasted and lateral force on casing exerted by drill pipe will increase in case of drilling deep well, ultradeep well, high inclined hole, extended reach well and horizontal well, therefore, friction and wear between casing and drill pipe became a severe problem
在深井、超深井、大斜度井、大位移井及水平井中，鉆井時間延長、鉆柱作用在套管上的側向力增高，因此套管和鉆柱的摩擦與磨損問題越來越突出。 -
Based on the dynamics, a mechanical model calculating the drill string ' s eccentric wear is established, the approximation equation calculating the positive pressure on casing / drill string is derived out, and the major factors affecting the eccentric wear are analyzed
針對深井鉆井中的井口附件套管偏磨問題，以動力學為基礎，建立了鉆柱偏磨力學模型，推導出了套管鉆柱正壓力的近似計算公式，分析了影響偏磨的主要因素。 -
Finite element analysis of the influence of casing eccentric wear rate on collapsing strength
套管偏磨曲率對其抗擠毀強度影響的有限元分析 -
The bigger the effective eccentricity, the higher the upper drill string ' s lifting force, the higher the positive pressure on casing / drill string, and the more serious the wear
有效偏心距越大，上部提升力越大，套管鉆柱之間的正壓力將越大，磨損將越產重。 -
By using finite element method, full - scale tests and the strain survey method, as for the crescent - shaped wear casing, this paper has discussed on mechanism of casing collapse and its influence on casing collapse. furthermore, computing method for both uniform wear and crescent - shaped wear situation was introduced, which can be used directly for casing string design
採用有限元分析、實物試驗及實驗應變測量方法，研究了套管產生不均勻磨損時的擠毀失效機理及其對套管擠毀性能的影響，確定了均勻磨損和不均勻磨損對套管擠毀性能的計算方法，研究結果可直接用於套管柱強度設計和校核中。 -
Thereby, this paper has carried through an in - depth study on wear mechanism between tool joint of drill pipe and casing, problems caused by wear and measures to deal with wear based on researches at home and abroad. the research contents include : in order to reveal mechanism of wear occurred between tool joint and casing, distribution of the contact pressure between the tool joint and casing for different loads was obtained with finite element method. furthermore, the mathematical model of maximum contact pressure and the wear depth on casing was established
所以，本文在國內外研究的基礎上，對鉆桿與套管摩擦磨損的機理、引發的系列問題及其預防措施進行了深入研究，研究內容主要包括：為探討鉆桿接頭與套管摩擦磨損的機理，採用有限元法研究了不同載荷下接頭與套管之間接觸壓力的分佈規律，並建立了最大接觸壓力與磨損量的數學模型。 -
Since the deeper the well, the higher the lifting force at the upper drill string, the deviation of derrick and the well head ' s eccentricity should be avoided by all means to prevent the severe eccentric wear on the casing which is caused by excessive effective eccentricity
由於上部鉆柱的提升力隨井深的增加而增加，因此應當盡量避免井口偏心或井架安裝不正，防止有效偏心距過大而造成近井口套管的嚴重偏磨。 -
Numerical simulation of external pressure distribution of casing string with wear in creep formation
蠕變地層中含缺陷套管外擠壓力分佈的數值模擬 -
The control system of the product is built with special steel which is light, wear - resistant, corrosion - proof and impact - proof. the outer casing is made with light, anti - ageing aluminium alloy, while the safety rope is made with aviation steel rope
本品控制系統採用特種鋼，並經特種處理，質輕耐磨耐腐蝕抗沖擊，外殼採用鋁合金，質輕，不老化。
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