舌下络脉
摘 要：欠平衡钻井是国际上90年代初再次兴起的提高勘探开发效益的钻井新技术。近几年我国来在油、气田勘探开发方面已进行了大量技术研究和现场试验，并取得了显著的成果。欠平衡钻井的相关理论和技术研究已经成为钻井工作者的一个研究热点。 帆板控制系统
本文介绍了欠平衡钻井技术国内外的发展状况，实施欠平衡钻井的优缺点。分析和总结了欠平衡钻井相关理论研究成果，为技术的应用提供理论依据。关键技术从三个方面入手：在考虑了影响负压值各方面的因素后，提出了合理的设计程序；通过计算出的钻井液密度选择适应于实际条件的最优钻井液类型；索爱wt19i
分析了井底压力波动和气侵后的环空压力变化，给出了一些井底压力控制措施。最后介绍了欠平衡钻井的信息采集处理系统，通过全过程的监测和指导保证欠平衡钻井的安全进行。关键词：欠平衡；钻井液；信息采集
Underbalanced Drilling Technology and Application施慧达
3500年前情侣墓Abstract: Underbalanced drilling is a new technology that rises in early 1990s again for raising the efficiency of exploration and development on the international. In recent years our country have conducted massive engineering research and the field test in the aspect of oil and natural gas exploration , and have achieved significant results. The theories and technology workers on underbalanced drilling have become the drilling of a hotspot.
This paper introduces the development of underbalanced drilling technology in abroad and home, the advantages and disadvantages as carrying on underbalanced drilling. Analyzes and summarizes theoretical research results on underbalanced drilling, provides the theoretical basis. The paper begins with three aspects: proposes the reasonable design procedure after considering the factors that influences negative pressure; through calculating the density of drilling fluids chooses the best drilling fluids that adapt the actual condition ; produces some measures for control bottom-hole pressure after analyzing the changes of Bottomhole pressure fluctuations and link spatial
pressure after Gas cut. Finally, introduces the information acquisition and processing system of underbalanced drilling, ensures the safety of underbalanced drilling through the whole process of monitoring and guidance.
Keywords:网剧中披露他人手机号码构成侵权 underbalanced;drilling fluids; information collection
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