Rock drilling

用法例句

According to characteristics of carbonate reservoir and primary matrix leakoff experimental model,We has established three leakoff models,such as broken core leakoff model,bored core leakoff model,and parallel plate core leakoff model,and determined each using range and object.

根据碳酸盐岩储层的特点 ,初步建立了三种滤失模型 ,在原有基质滤失实验模型基础上 ,新建立了岩心破开滤失实验模型、岩心钻孔滤失实验模型及平行板岩样滤失实验模型 ,并确定了各自的适用范围及对象 ,提高了室内实验模拟作业真实情况的程度 ,形成了较为规范的酸液滤失室内评价技术 ,对推动碳酸盐岩储层控制酸液滤失技术的发展具有重要意义。

Application of Rock Drilling Detecting Technology in Roadway Reinforcement

岩层钻孔探测技术在巷道加固中的应用

Talking about the Hole-site Correcting Technology in Drilled Pile Construction on Granite Plagioclase Strata

花岗岩斜岩地层钻孔桩施工孔位纠偏技术

Completed pile working method of bore hole filling pile in the rock area with under-earth mined out layer

有地下采空层的岩石地区钻孔灌注桩成桩工法

Open Hole Drilling with Cemented Carbide in Songyuan Oil Shale Formation

松原油页岩地层硬质合金裸孔钻进技术

Injection of Marysan with Advanced Long Borehole in Soft Rock Stratum

在松软岩层中用超前长钻孔注射马丽散

Boring technology of pile foundation of bridge to penetrate multilayer of karsts

桥梁桩基穿越多层岩溶地段的钻孔技术

Experimental Study and Practice of Boring Technology for Bored Cast-in-place Pile in Karst Formation of Wuhan Area

武汉地区岩溶地层钻孔灌注桩成孔技术研究与实践

A needle-shaped drill for boring holes in rock or masonry.

钻头，钻石器，钻孔器用于在岩石或砖石上钻孔的针形钻

Start collaring with reduced throttle to the impact mechanism and feeding, let the bit work its way slightly into the rock.

开孔时，应采用最小的冲击和推进力，使钻头平稳地进入岩层。

The article has introduced when pouring hole into the karst stratum need some technological measures.

文章介绍在岩溶地层钻孔灌注桩施工时,需采取的各项技术措施。

New Means Of PrOtecting H0le ln Drilling,In Broken Terrane Of Sinian System Carbonatite From Central Of Yunnan Provlnce;

滇中震旦系碳酸盐岩破碎地层的钻探护孔新技术

Elementary Analysis on Engineering Practice of Large-diameter Deep Long Bored Pile in Soft and Hard Terrane

浅析大直径深长钻孔桩在软、硬质岩层的工程实践

Application of High-pressure Rotary Concrete-jetting Technology in the Reinforcement of the Bearing Layer of Rock-socketed Cast-in-place Pile Bottom

高压旋喷注浆法在钻孔灌注嵌岩桩底持力层补强加固中的应用

RESEARCH ON INFLUENCE OF OVERBURDEN PRIMARY KEY STRATUM MOVEMENT ON SURFACE SUBSIDENCE WITH IN-SITU DRILLING TEST

覆岩主关键层运动对地表沉陷影响的钻孔原位测试研究

MECHANISM AND TREATMENT METHOD FOR POTENTIAL WATER LEAKAGE OF AQUIFER THROUGH BOREHOLES IN ORDOVICIAN LIMESTONE

奥陶系石灰岩含水层钻孔隐性漏水机制与防治方法

Study on drill bit for large diameter core drilling of deep hole in hard rock

硬岩深孔大口径取芯钻进的钻头研究

On application of DTH drill in drilling pile construction in karst developing areas

潜孔钻在岩溶发育地区钻孔桩施工中的应用

Development of core drill equipment for combined underwater drill rammer of rock built-in pile hole

嵌岩桩孔组合潜孔锤取心钻具的研制