The results indicate the stability of deviated wells increases with deviation increment when the vertical stress is intermediate stress.
研究结果表明,当垂向应力为中间应力时,斜井的稳定性随井斜角的增大而增大。
This paper introduces thee-valuation criteria and calculation methods of passing ability of lift pump in highly deviated wells and horizontal wells.
给出了大斜度井、水平井举升泵通过性评判准则及计算方法,以电动潜油离心泵为例进行了不同狗腿度下通过性的计算。
The cutting bed remover, an effective and useful tool to dismantle cutting bed during deviated wells drilling, can break and clean cuttings hydraulically and mechanically.
岩屑床破坏器是一种有效的斜井岩屑床破坏工具,具有水力和机械双作用破坏、清除岩屑床的特点。
It achieves good results in high deviated Wells and horizontal Wells.
在大斜度井、水平井中取得较好效果。
Highly deviated Wells has the characteristic of long horizontal interval, high Angle and long deflection reducing open well bores.
与直井相比,大位移井具有长水平井段,大斜度,长裸眼降斜井段等特点。
Since the bow springs are slightly larger than the wellbore, they can provide complete centralization in vertical or slightly deviated Wells.
因为弓型弹簧比井眼稍大一些,因此在直井或倾角较小的定向井中能够完全居中。
Further, many wellbores prove to be difficult or even impossible to measure with conventional wireline tools, especially highly deviated Wells.
更进一步,使用常规的钢缆工具,许多井,尤其是大斜度井,很难甚至是不可能进行测量。
Because of deflection and unsymmetrical space around in horizontal and deviated Wells, downhole flow status is much different from vertical Wells.
水平井、斜井由于井身倾斜以及井筒周围空间的非对称性使井下流动状态与垂直井极不相同。
For example, any further drilling could use deviated Wells drilled from a central location in order to minimise the overall impact of development.
例如,以后钻井可采用从井中心位置钻探斜井,从而把对环境的影响降到最低。
Well intervals where lift pumps can be located in highly deviated Wells include vertical interval, deflecting interval, Angle maintaining interval and branch rat hole.
大斜度井可供选择的下泵位置有在垂直段安装,在造斜段安装、在稳斜段安装、在分支鼠洞井眼安装。
Cresting occurs in horizontal or highly deviated Wells and is affected by the characteristics of the fluids involved and the ratio of horizontal to vertical permeability.
登顶现象在水平井或大斜度井中出现,并受所包含流体的特性和水平渗透率与垂直渗透率的比率的影响。
In highly-deviated Wells and horizontal Wells, if physical property data fail to be measured in completion, casing compensated neutron data can be used to calculate the formation porosity.
在大斜度井、水平井中如果完井没有测到物性资料可以用套管补偿中子计算地层孔隙度。
In highly-deviated Wells and horizontal Wells, if physical property data fail to be measured in completion, casing compensated neutron data can be used to calculate the formation porosity.
在大斜度井、水平井中如果完井没有测到物性资料可以用套管补偿中子计算地层孔隙度。
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