hollow reamer

2.17 No allowance for volume of hole enlargement.

不包括井眼扩大的泥浆体积。

Research on Sandstone Borehole Enlargement Mechanisms and Prevention Technology in Lamadian Oil Field

喇嘛甸油田砂岩井眼扩大机理和预防技术研究

We've got to broaden our scope.

咱们应当扩大一下眼界。

Numerical simulation analysis of H_2S diffusion in a catastrophic gas blowout accident:A case study of Kai County in Chongqing

特大井喷H_2S扩散的数值模拟分析

Analysis of the borehole diameter anomaly expanding in well drilling process of high permeability sandstone formation in Lamadian Oil Field

喇嘛甸油田高渗透砂岩层钻井过程中井径异常扩大原因分析

(used of eyes) fully open or extended.

（用于眼睛）完全睁开或扩大的。

learn a foreign language to expand one's scope

为扩大眼界而学习外国语言

The correction for the influence of hole diameter enlarging rate on cutting lag time.

井径扩大率对岩屑迟到时间的影响校正

Horizontal Well Open Hole Gravel Packing Sand Control Completion Technique Used in Zhaodong Block,Dagang Offshore

大港滩海赵东区块水平井裸眼砾石充填防砂完井技术

borehole geometry tools

井眼几何形状测井仪

A study and application of bolting-wire mesh support in open-off cut with large cross sectional area in deep mine

深井大断面切眼锚网(索)支护研究与应用

Prolonged, abnormal dilatation of the pupil of the eye caused by disease or a drug.

瞳孔扩散由于疾病或者药物引起的眼睛瞳孔变长、不正常的扩大

2.14 Open hole volume assumes gauge hole.

井眼体积以规则井眼假设。

Application of Drilling Fluid Technology in the Long Open Well X92

X92井长裸眼井段钻井液技术措施

This offer is based on an expanding market and is competitie.

此报盘着眼于扩大销路而且很有竞争性。

Study of Deep Mine Roadway Deformation Regular and Supporting Technology in Tao er Mine Expansion Area;

陶二矿扩大区深井巷道围岩变形规律及支护技术研究

Economic evaluation of development and sensitivity analysis;

大庆西部外围油田外扩井开发经济评价及敏感性分析

hydraulic expansion wall scraper

液压扩张的井壁刮刀