鉆頭試驗 的英文怎麼說
中文拼音 [zhēntóushìyàn]
鉆頭試驗
英文
head dip test-
Modeling experiments and studies on retractable flanging device for shaftwalls
鉆井井壁可縮性接頭模型試驗研究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。Based on the tribological principle and the theory of contact mechanics, it is feasible to adopt curvature - changing structure in the rock - bit journal bearing system. the structure and coupling relationship of curvature - changing journal bearing under the condition without friction have been analyzed and three kinds of sub - form structure configurations, namely, the pseudo - curvature - changing structure, the conformable curvature - changing structure, and the clearance curvature - changing structure, been differentiated according to the contacting features. the shape optimization and pre - running - in regulations of the contact surface of curvature - changing journal bearing under friction condition have been established. the results of rock bit journal bearing test indicate that the tribological behavior of the bearing can be effectively improved by curvature change based on both designing and pre - running - in
基於摩擦學原理和接觸力學理論,提出了可在牙輪鉆頭滑動軸承中採用變曲率結構.在不考慮摩擦的情況下,就結構設計和配合關系等問題進行了分析討論,劃分了準變曲率、吻合變曲率以及間隙變曲率等3種結構形式;針對考慮摩擦時的變曲率結構,提出了接觸形狀優化和預磨合的實施方案.鉆頭軸承試驗結果表明,無論是預設計變曲率還是預磨合變曲率,都能改善軸承摩擦副的摩擦學特性,因而值得進一步研究和推廣According to the researches on working principle of wear - resistant alloy, the ideas on selecting the new - typed wear - resistant alloy were put forward, which are " equilibrium wear design " and " stability " concept. three kinds of new wear - resistant alloy that can be used for hardbanding on tool joint were developed, and wear experiments have showed that its property is as good as or better than that of abroad
對耐磨減摩合金的工作原理進行了研究,提出了新型耐磨減摩合金的篩選要以「平衡磨損設計」概念和「穩定性」原則為依據,並設計出3種鉆桿接頭硬化帶用新型耐磨減摩合金,實驗室磨損試驗表明其性能可以達到或超過國外同類產品。Enhancement test on the disc bit
盤式鉆頭齒面強化試驗The building guantou especially the big bridge engineering geology condition is more complicated, by drill to explore the data to announce to public the rock soil body of types, the engineering geology function and the geologic strata circumstance, this time soil kind and the rock samples that investigates to still pass to adopt in great quantities to carry on indoor experiment, get a great deal of data, in order to get the useful rock soil parameter, this thesis still introduces to beg the process of take the rock soil parameter in the way of the mathematics covariance
館頭特大橋工程地質條件較為復雜,通過鉆探資料揭示了巖土體的成因類型、工程地質性能以及地層情況,此次勘察還通過大量採取的土樣和巖石樣本來進行室內試驗,得到了大量的數據,為得到有用的巖土參數,本論文還介紹了通過數理統計的方法求取巖土參數的過程。By means of the software of pro / e we studied the movement of the bit and obtained some data reports about different parameter bit. in the environment of visual basic the trace program can compute the well - bottom outline. it also can draw the trace and the velocity curve that the teeth scrape the well bottom
分析方法是在pro / e中對試驗鉆頭進行運動模擬,得到不同結構參數和傳動比的鉆頭運動的數據文件,然後進入用visualbasic高級語言編制的異形牙輪單牙輪鉆頭分析軟體中,計算出鉆頭的井底輪廓曲線,並繪制鉆頭井底軌跡和牙齒刮切井底的速度曲線。Test research of bits for drilling cobble and gravel formation of in - situ leaching uranium deposit
地浸砂巖型鈾礦卵礫石層鉆進用鉆頭的試驗研究In chapter six, based on the preceding chapters " research, the practicality of the full scale dr i 11 ing simulating test device has been tested by the debugging and the performance test. under simulating drilling conditions, the rock mechanical properties and the bits " dynamical tests are analyzed and set forth specifically. at the same time the effect of bottom pressure difference on the oil field exploration and development has been discussed
第六章在前述分析研究的基礎上,通過對模擬裝置的系統調試及性能測試,驗證了全尺寸鉆井模擬裝置的實用性,在鉆井模擬條件下對巖石的機械性質、牙輪鉆頭動態測試給予了具體的分析闡述,同時還分析探討了井底壓差對油田勘探開發的影illb ,並且為宋深101井的實際施工作業提供了非常有價值的指導參數。After the various visual defects during drilling processes were analyzed, the importance of drilling with compressive pre stress was presented
以加工效率為指標,通過正交試驗對鉆頭的磨料粒度、濃度、水槽數和壁厚等因素進行了優化分析,確定了適宜的刀具參數。Abstract : a method was put forward for the detection of the fatigue cracks at the thread roots of a drill pipe by using ultrasonic wave. the specific detection probes were designed. simulated cracks were detected. the results show that the probes can effectively detect the cracks whose depth is more than 1mm and the detection errors of the depth and length of the cracks are less than 1mm and 3mm respectively
文摘:鉆桿螺紋根部疲勞裂紋是鉆桿鉆井服役中產生的常見缺陷類型,是鉆桿螺紋發生斷裂的重要根源.本文介紹了鉆桿螺紋疲勞裂紋超聲檢測原理,設計了專用超聲檢測探頭和檢測裝置,給出了檢測試驗結果,證明了鉆桿螺紋疲勞裂紋超聲檢測的可行性和實用性分享友人