- 更多网络例句与欠平衡的相关的网络例句 [注：此内容来源于网络，仅供参考]
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Came 31 days on August 28, by Chinese oil university sponsor jointly with Shandong oil society " owe seminar of technology of balance and pressure control artesian well " in Qingdao campus the victory is held.
梗概： 8月28日至31日，由中国石油大学和山东石油学会联合主办的"欠平衡及压力控制钻井技术研讨会"在青岛校区胜利召开。
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And the optimize of underbalance drilling fluid is gone on in view of stratum and reservoir geologic characteristic in DaQing oil field, finally a suit of reverse emulsion drilling fluid system fitting DaQing oil field underbalance drilling is established, and it is successfully used and verified in erbalance drilling construction work, the effect is very ideal. Additional the well control technique and commensurable auxiliary technique of underbalance drilling are also systematically analysed, a suit of auxiliary technique and well control scheme of underbalance drilling fitting DaQing oil field zone of negative pressure is established.
本文重点对欠平衡钻井负压值的影响因素及确定方法进行了研究；并针对大庆油田地层及油藏地质特征进行了欠平衡钻井钻井液体系的优选，最终确定了一套适合大庆油田欠平衡钻井的水包油钻井液体系，并成功地在欠平衡钻井施工中得到应用和验证，效果十分理想；另外，本文对欠平衡钻井的井控技术及相应的配套技术也作了系统的分析，确立了一套适合大庆油田地层特点的欠平衡钻井工艺技术配套措施及适合大庆油田地层负压特点的钻井井控技术方案。
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Seismic formation velocity is one of important parameters for formation pressure prediction,its precision affect the accuracy of the pressure prediction defectively.
在钻井工程方面，地层孔隙压力是合理设计套管程序的基础参数，是合理选择钻井液密度、实现高效近平衡或欠平衡压力钻井的关键和依据[1-6]。
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UBD is an irreversible process and its success depends on the changeable and unchangeable factors.
欠平衡钻井是不可逆的一次性过程，欠平衡钻井成败取决于多个可控因素与不可控因素。
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UBD (Under-balanced Drilling) has been applied widely onshore to improve the development of oil and gas fields.
欠平衡钻井在国内外陆地油田已得到了广泛的推广和应用，可有效提高油气田开发效益。
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Considering gas-solid flow in annular space and BoYun Guo's hydrodynamic parameters model, For aired underbalanced drilling, combined with the minimum energy Angel law and based on the mininum gas injection scale at the key points, it is established a bottom-hole pressure model for gas-solid two phase stream; meanwhile, calculated the downhole depth of the Downhole-Deployment-Valves; and then fabricated the corresponding calculation software. For streamingly underbalanced drilling, it is fully given a step-by-step solution based on analysis from the relationship of various wellbore pressures at the course of underbalanced drilling as well as from the streaming behavior in different wellbore sections, adding consideration on multiphase stream pressure drop and Downhole-Deployment- Valve into account, it is of common application for development wells.
对于气体欠平衡钻井，考虑环空为气固两相流，参考BoYun Guo的流体力学参数计算模型，结合Angel的最小动能法标准，从满足关键点处的最小注气量入手，建立了气固两相流的井底压力计算模型，同时对套管阀的下入深度进行了计算，并利用VB语言编制了相应的计算软件；对于液体欠平衡钻井，考虑环空为多相流，在充分分析欠平衡钻井井内基本压力关系的基础上，从环空多相流压降分析入手，通过对井筒内各段的流态分析，逐段求解。
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Underbalance drilling is one of the effective methods for protecting the sandstone reservoir and corresponding reservoir protection measures as underbalance logging are needful also.
欠平衡钻井是对砂岩储层进行保护的一种有效方法，相应地，也需要进行欠平衡带压测井等油气层保护措施。
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In pressure of influence underbalanced drilling,such as drilling fluid column pressure,annulus pressure,underbalance pressure,wellhead back pressure and formation pressure etc.,the formation pressure is basic pressure.Because all pressure calculations are built on the basic pressure.
认为在影响欠平衡钻井的钻井液静液柱压力、环空压耗、欠压值、井口回压、地层压力中，地层压力是首先要搞清楚的最基础的压力，最好先求出地层压力而不必急于进行欠平衡钻进，因为一切欠平衡的压力计算都是建立在这个基础压力之上的；再根据地层压力确定合理的欠压值，确定所用的钻井液密度。
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The underbalance drilling technology is researched in view of stratum and reservoir geologic characteristic in DaQing oil field highlighting XuJia WeiZi east oil field in this text, it takes active role for valid development of DaQing deep zone natural gas and adding oil outcome. In this text the influential factor and establish way of underbalance drilling drawdown are stressly researched.
本文针对大庆油田地层及油藏地质特征，对大庆油田欠平衡钻井工艺技术应用进行了研究，重点对徐家围子等东部油气田开展了欠平衡井钻井工艺技术应用研究，为大庆深层天然气的有效开发，为探索欠平衡钻井工艺技术在开发井中的有效利用，增加油气产量起到了积极的推动作用。
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Elastic and elastic-plastic solutions have been made under balanced, under-balanced and overbalanced pressure conditions.
分别在井眼-地层平衡、欠平衡和过平衡条件下推导了近井带的弹性和弹塑性应力分布，并给出了各种情形下井壁上的应力值。
- 更多网络解释与欠平衡的相关的网络解释 [注：此内容来源于网络，仅供参考]
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balance due from：人欠
balance due 结欠余额 指到期尚须还清的金额.例如,人欠 (balance due from),欠人(balance due to). balance fund 平衡基金 指一种类型的互助基金(mutual fund), 其投资目标是强调资本增值和本期收益 并重. 在其证券投资组合(portfolio)中,
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ill-defined：欠明了的
欠密的underdense | 欠明了的ill-defined | 欠平衡underbalance
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overvoltage：过电压
闪变(Flick)即灯光照度不稳定造成的视感,是由波动负荷,如电弧炉、轧机、电弧焊机等引起的. 另外还有谐波(Harmonics)、电压不平衡(Voltage Unbalanced)、过电压(Overvoltage)和欠电压(Undervoltage)等.
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underbalance：欠平衡,欠平衡的
under-exposed曝光不足的,欠曝光的 | underbalance欠平衡,欠平衡的 | undercharge充电不足的
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underbalance：欠平衡 平衡不足
underbaked /欠烘的/ | underbalance /欠平衡/平衡不足/ | underbeam /下梁/
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undervoltage：欠电压
另外还有谐波(Harmonics)、电压不平衡(VoltageUnbalanced)、过电压(Overvoltage)和欠电压(Undervoltage)等. 上述这些电压质量问题,对于要求精密控制的现代工业系统以及对电压敏感的电力用户而言,其破坏性将造成巨大的损失. 因此,采取补偿措