特殊螺紋接頭密封面接觸壓力概率分布數(shù)值分析(參考版)
2025-06-28 11:59本頁面
【正文】 參考文獻(xiàn)[1] Jun Takano, Masao Yamaguchi. Hidenori Kunishige. Development of Premium Connection “KSBEAR” for Withstanding High Compression. KAWASAKI STEEL TECHNICAL REPORT, No. 47 December 2002:1422[2] Eiji TSURU, Kunihiko OKAMURA, Yasushi TSUJANO,etc. Dopefree Type Premium Connection for Oil Country Tubular Goods. NIPPON STEEL TECHNICAL REPORT, 2000 january:6973[3] A. B. Bradley, S. Nagasaku, E. Verger. Premium Connection Design, Testing, and Installation for HPHT Sour Wells. Society of Petroleum Engineers. SPE High PressureHigh Temperature Sour Well Design Applied Technology Workshop held in The Woodlands, Texas, ., 1719 May 2005. SPE 97585[4] Kirk Hamilton, Brian Wagg, Tim Roth. Using Ultrasonic Techniques to Accurately Examine Seal Surface Contact Stress in Premium Connections[5]G. R. Murtagian, V. Fanelli, J. A. Villasante, etc. Sealability of Stationary MetaltoMetal Seals. Journal of Tribology, JULY 2004, Vol. 126:591:5966 / 6。即使通過改善螺紋脂、密封面質(zhì)量等因素，沒有接觸壓力的情況下，接頭也肯定發(fā)生泄漏。對特殊螺紋接頭計算示例表明，一定的加工參數(shù)組合下，密封面上的接觸壓力的為0，接觸長度也為0，無法保證接頭的密封性。但是表2顯示，如果不改變接頭加工控制參數(shù)，接觸壓力和接觸長度都有為0的可能，可以肯定的是，即使完善密封面的表面技術(shù)，也不能保證較大的密封可靠度。對于4000米的井深，約有400個接頭，1027，即肯定發(fā)生泄漏。計算結(jié)果顯示，50次計算（模擬50個接頭的隨機(jī)參數(shù)組合）中有7次不滿足上述條件，且。2）。文獻(xiàn)[5]提出接觸壓力的積分必須滿足一定條件才可保證密封性，對確定的結(jié)構(gòu)來說，接觸壓力大，接觸長度就大，最主要的是足夠的壓力消除表面的凸凹空隙，足夠的長度保證殘留空隙不形成通道。結(jié)果顯示，最
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