查询词典 drilling

With constant depth study of exploration activity and development, the successful drilling of SongShen 101, WeiShen 5 and XuShen1-1 and so on, the underbalance drilling technology will be universally popularized and applied in DaQing oil field especially XuJiaWeiZi and ShenPing gas field and so on, it has very important meaning for valid development of outer oil field and hydrocarbon stimulating of DaQing oil field, it also offered powerful technical support for sustainable development of DaQing oil field.

随着油气勘探开发工作的不断深入，宋深101井、卫深5井、徐深1-1等井的成功钻遇，欠平衡钻井工艺技术将在大庆油田尤其在徐家围子、升平等气田将会得到普遍推广应用，对大庆油田油气增产和外部油田的有效开发将具有十分重要的意义，为大庆油田的可持续发展提供了强有力的技术支撑。

Nitrogen drilling ; deep well ; drilling technology ; underbalance

氮气钻井；深井；欠平衡钻井

Air underbalance drilling, is the drilling technique which could used gases, typically compressed air, natural gas, nitrogen and diesel tail gas as a circulation liquid.

气体欠平衡钻井，可以采用空气、天然气、氮气、柴油机尾气作为循环介质，其循环系统的压力分布、钻井机械的选择、控制井斜与传统钻井方式相比有着很大的区别。

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。

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。

Well drilling in a salt formation is a problem in drilling,while accurately establishing the mud density and undersaturation is the key for solving the problem.

盐层钻井是钻井技术中的难题，准确确定钻井液密度及含盐欠饱和度是解决难题的关键。

Pneumatic hammer drilling technology with low wob,low rate of revolution and high capacity to break rock is one of the best effective methods to solve the problems of hard rock drilling.

井斜是气体钻井中遇到的比较突出问题，井斜大或井斜增长过快常采用低钻压吊打的方式来解决，这样就牺牲了机械钻速，延长了钻井周期，增加了钻井成本。

As for the air percussive rotary drilling, because of its advantages of high ROP, long bit life, light WOB, reduced wear of drill collar, large cuttings, low drilling cost, low formation damage and no lost circulation, it has gained acceptance.

空气冲击回转钻井在一些特定的地层和井眼条件下具有高机械钻速、长钻头寿命、小钻压、较轻钻具磨损、大岩屑、低钻井成本、较轻油层污染和避免井漏等优点，因此很早就被钻井界接受。

In situ hydrate is unstable and dissociates easily during drilling or coring which may result in a series of drilling accidents.

由于原位天然气水合物极度不稳定，在钻探和取心过程中易发生分解，进而导致一系列意想不到的钻井事故。

By means of analysis on the construction alternatives using twin drilling jumbos,the paper summarizes the rapid excavation technology for the double-lane tube of twin tube highway tunnels by means of twin drilling jumbos and other supporting machinery and equipment,which proivdes a new concept for the rapid excavation of long and huge tunnels in the future.

介绍了瑞典353E凿岩台车在重庆石忠高速公路方斗山隧道中的应用情况，并通过对双台车施工方案的的分析，总结了在高速公路双车道隧道中单洞利用双台车及配套设备实现快速掘进的施工技术，为长大隧道提供了一种快速施工的思路。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。