1) borehole diameter enlargement coefficient
井径扩大系数
1.
But through the use of diameter relative variances(borehole diameter enlargement coefficient) can effectively estimate rock strength grading and coal seam roof and floor stability.
在煤田测井中,井径的变化对其它测井参数是一种干扰,但利用井径的相对变化值(井径扩大系数),可有效地评估岩石的强度等级和可采煤层顶底板的稳定性。
2) hole enlargement
井径扩大
1.
At the same time , hole enlargement is a disadvantage of underbalanced drilling, it has a greater adverse impact on Cementing and completion of the well .
但是欠平衡钻井也存在井径扩大的缺点,对固井和完井产生较大的不利影响。
3) hole enlargement ratio
井径扩大率
1.
The prediction technology of hole enlargement ratio in the condition of underbalanced drilling;
欠平衡钻井条件下的井径扩大率预测技术
5) big hloe
大井径井
6) well Aiding-3
井眼扩径
补充资料：井径
1.田间小路。
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