1) Re-entry into the bore
井眼重入
2) severe crooked hole
严重弯曲井眼
3) wellbore
井眼
1.
The currently used methods for calculating gas injection rate during gas drilling all take the temperature of natural formation at the same depth as the temperature of the annulus fluid,without considering the heat exchange occurred between the wellbore fluid and the formation.
目前关于气体钻井时所需注气量的计算方法均是将环空流体的温度取同一深度的自然地层温度来进行计算,没有考虑井眼内流体与地层进行换热的影响,这必然会带来误差。
4) well bore
井眼
1.
Results show that with the increase of eccentricity between reaming tool axes and well bore axes,or with the decreas.
为了解随钻扩眼工具在井眼内的运动状态和受力情况,促进钻井工具的优化设计和更合理的应用,对随钻扩眼工具在井眼内的运动进行了研究,给出了基于拉格朗日方程的动力学分析方法;基于法向接触约束的惩罚准则,计算了扩眼刀翼与岩石之间的接触力,对随钻扩眼工具在井眼内的运动过程和动力响应进行了动力学仿真研究。
2.
This article introduces two techniques of determining the-directions of natural fractures:One is micro-fracturing and oriented coring,the other is measuring the elliptic axis of the well bore by dipmeter logging.
在裂缝性地层，效益最好的水平井，其水平井井眼应与天然裂缝面垂直，这样可大大减少油气渗流阻力，充分发挥各个裂缝面的最大泄油效能。
5) borehole
[英]['bɔ:həʊl] [美]['bɔr'hol]
井眼
1.
Improvement of Φ70 compensated density logging tool and its application to large borehole;
Φ70补偿密度测井仪的改进及在大井眼测井中的应用
2.
In gas condensate well designs and dynamic analysis,borehole pressure and the distribution of temperature are two important parameters.
在凝析气井井眼流体相态理论的基础上 ,综合考虑压力、温度之间的相互影响 ,建立凝析气井井眼压力、温度耦合组分模型。
3.
Shear failure is a basic failure mode of borehole rock.
井眼剪切破坏是井眼岩石基本破坏形式之一。
6) hole
[英][həʊl] [美][hol]
井眼
1.
When the nodal degrees of freedom in beam element increase from 6 to 8 by the use of Hermit interpolation function, the second derivative for expressing hole curvature becomes continuous, and the calculation precision is improved.
利用二阶埃尔米特插值函数把空间梁单元的结点自由度由６个扩充到８个，使井眼曲线的二阶导数连续，提高了计算精度。
2.
The paper presents the calculation method of build-up rate of downhole motor with two bent subs in drilling short-radius horizontal wells, based on finite element reiteration.
提出了以有限元动坐标迭代法为基础的短半径水平并双弯马达造斜率的计算方法，并给出了大曲率井眼中钻头侧向力的二重非线性数值解。
补充资料：眼入
【眼入】
（术语）十二入之一。
（术语）十二入之一。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条