Design for the Setting Depth of Jetting Conductors Based on Non-Probabilistic Reliability
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摘要: 在深水探井设计中,由于钻孔取土壤样的费用高,设计导管下入深度时往往缺少所需的土壤参数,而海底土壤参数又存在较大的不确定性,此时采用确定性方法进行导管下入深度设计存在一定的难度和风险。为此,以区间分析方法和结构可靠性理论为基础,通过分析喷射下入导管的载荷,建立了喷射下入导管的功能函数,形成了一种基于非概率可靠性的喷射导管下深设计方法。通过实例对比了该设计方法与确定性导管下入深度设计方法的设计结果,发现该方法的设计结果大于确定性方法的设计结果。这说明,采用该方法设计导管下入深度可以保证导管系统安全可靠,而且有一定的安全余量。该方法克服了缺少土壤参数情况下确定性方法存在的不足,降低了对土壤参数的需求,有助于降低深水钻井作业成本,同时可以保证深水钻井作业安全。Abstract: In the design of deep water exploration wells, soil parameters tend to be insufficient when designing the setting depth of conductors, since it is costly to take soil samples by drilling holes. Moreover, there are significant uncertainties in the seabed soil parameters, so there are certain difficulties and the risks in designing conductor setting depths with deterministic methods. Based on the interval analysis method and the structure reliability theory, an available function for jetting conductor installation was built by analyzing the working load, and the design method of conductor setting depth based on non-probabilistic reliability was developed. By comparing the result of this design with that of the deterministic design method of the conductor setting, it was found that the result designed with this method is better than that of the deterministic method. It indicated that designing the conductor setting depth with this method can keep the safety and reliability for conductor systems, and it possesses a margin of safety. In the absence of soil parameters, this method can compensate for the disadvantages of the deterministic method, reduce demands for soil parameters, lower the cost and maintain the safety of deepwater drilling operations.
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[1] 王磊,张辉,周宇阳,等.深水钻井喷射下导管水力参数优化设计方法[J].石油钻探技术,2015,43(2):19-24. Wang Lei,Zhang Hui,Zhou Yuyang,et al.Optimal design of hydraulic parameters for conductor jetting in deepwater drilling[J].Petroleum Drilling Techniques,2015,43(2):19-24. [2] 郭书祥,吕震宙,冯元生.基于区间分析的结构非概率可靠性模型[J].计算力学学报,2001,18(1):56-60. Guo Shuxiang,Lv Zhenzhou,Feng Yuansheng.A non-probabilistic model of structural reliability based on interval analysis[J].Chinese Journal of Computational Mechanics,2001,18(1):56-60. [3] Fagundes D F,Rammah K I,Almeida M S,et al.Strength behaviour analysis of an offshore brazilian marine clay:proceedings of the ASME 31st International Conference on Ocean,Offshore and Arctic Engineering,Rio de Janeiro,July 1-6,2012[C].
[4] Ronold K O,Bergan J,Arnesen K,et al.Reliability of axially loaded jacket pile:proceedings of the ASME 31st International Conference on Ocean,Offshore and Arctic Engineering,Rio de Janeiro,July 1-6,2012[C].
[5] 魏宗平.基于区间模型压杆稳定的非概率可靠性分析[J].机械与电子,2008(6):14-16. Wei Zongping.Non-probabilistic reliability analysis of compressive bar stability based on the interval model[J].Machinery Electronics,2008(6):14-16. [6] Evans T G,Feyereisen S,Rheaume G.Axial capacities of jetted well conductors in Angola[R].OSIG-02-325,2002.
[7] Jeanjean P.Innovative design method for deepwater surface casings[R].SPE 77357,2002.
[8] 唐海雄,罗俊丰,叶吉华,等.南海超深水喷射钻井导管入泥深度设计方法[J].石油天然气学报,2011,33(3):147-151. Tang Haixiong,Luo Junfeng,Ye Jihua,et al.Method of design of conductor setting depth for ultra-deepwater jetting drilling in South China Sea[J].Journal of Oil and Gas Technology,2011,33(3):147-151. [9] Ben-Haim Y,Elishakoff I.Discussion on:a non-probabilistic concept of reliability[J].Structural Safety,1995,17(3):195-199.
[10] Ben-Haim Y.A non-probabilistic measure of reliability of linear systems based on expansion of convex models[J].Structural Safety,1995,17(2):91-109.
[11] 柯珂,张辉,周宇阳,等.深水钻井喷射下导管模拟试验装置的研制[J].石油钻探技术,2015,43(2):33-37. Ke Ke,Zhang Hui,Zhou Yuyang,et al.The development of testing simulators for conductor jets running in deepwater drilling[J].Petroleum Drilling Techniques,2015,43(2):33-37. [12] 管志川,魏凯,傅盛林,等.基于区间分析的钻井工程风险评价方法[J].石油钻探技术,2013,41(4):15-18. Guan Zhichuan,Wei Kai,Fu Shenglin,et al.Risk evaluation method for drilling engineering based on interval analysis[J].Petroleum Drilling Techniques,2013,41(4):15-18. [13] 徐荣强,陈建兵,刘正礼,等.喷射导管技术在深水钻井作业中的应用[J].石油钻探技术,2007,35(3):19-22. Xu Rongqiang,Chen Jianbing,Liu Zhengli,et al.The application of jetting technology in deepwater drilling[J].Petroleum Drilling Techniques,2007,35(3):19-22. -
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