drill rig

Economy and reliability are the two major problems the packaging and operation of drill rig engine.

钻机柴油机的选型、配套和使用,既有经济性问题,又有可靠性问题.

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model cfz-1500 counter-cycle impact drill rig

CFZ&1500型冲击反循环钻机

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brief analysis of the development of steel cable type impact drill rig

浅析钢丝绳式冲击钻机的发展

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Research on JSL-30 Drill Rig and Tool of Seismic Exploration in Gravel Strata and the Test System of Drilling Parameters

JSL-30型卵砾石地层地震勘探孔钻机、钻具及钻进参数检测系统的的研究

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the paper analyses each parts of rotary mechanism of rotary drill rig.

本文针对钻机回转机构的各零部件进行一定分析。

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Through analysis, this article points out that how to handle the torque reserve, thrust reserve and speed reserve of the drill rig is the key for the improvement of the utilization ratio and reduction of designed head loss in the hydraulic system.

本文分析指出如何处理液压凿岩钻车的备用扭矩、备用推力和备用速度，是提高液压系统功率利用率，减少设计压力损失的关键。

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A Design Improvement on Travel Mechanism of a Pneumatic Crawler Type Drill Rig

一种气动履带式钻车行走机构的改进设计

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The Development of Power Pack on a New Type of Drill Rig

新型钻机动力头的研制

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selection of mobile drill rig power system

钻机车动力系统的选择

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Failure Analysis of Expanding Pin on Hydraulic Rock Drill Rig

液压凿岩台车膨胀销的故障分析

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The GZ-2000 type water source drill rig and TBW-850/ 50 mud pump were used in the test well construction, drilling depth 2202.98m.

该试验井施工使用GZ-2000型水源钻机，TBW-850/50型泥浆泵，钻探深度2202.98m。

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Drilling process analysis of the CJF 20 percussion drill rig of reverse circulation

CJF-20冲击反循环钻机钻进工艺技术分析

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Research on the test system of drilling parameters of JSL-30 Drill Rig

JSL-30型钻机钻进参数检测系统的研究

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Transocean, which provided the drill rig, could also be banned in Brazil.

提供钻井设备的Transocean公司也在巴西遭禁。

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according to the structure and operating principle of the jsl-30 drill rig, a drill parameter tester was developed especially for percussion drill.

结合JSL-30型钻机结构和工作原理，研制了适用于振动条件下的钻进参数检测系统。

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This thesis introduces briefly the structures, test situations and main technical parameters of the drill rig.

本文着重介绍了钻机的结构特点 、 试验情况、主要技术参数等.

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Analysis Study on Feeding System of All-hydraulic Power Head Type Drill Rig

全液压动力头式钻机给进系统的分析研究

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Royal Dutch Shell says its grounded drill rig is ready to be towed off the rocks where it's been stranded since New Year's Eve.

荷兰皇家壳牌石油公司表示已准备好将搁置的钻井机从岩石中拖出来，该钻井机自新年前夕便困在了岩石中。

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The Development of Power Pack on a New Type of Drill Rig GUISE DESIGNING OF DYNAMIC HEAD

新型钻机动力头的研制动力头式钻机导轨设计

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It is very important for drilling parameters test to better drilling parameters, design drill rig, research on drilling technology.

钻进参数检测对钻进参数优化、钻机设计、钻进工艺研究具有重要作用。

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Automatic Control System of Winch Type Impact Drill Rig

卷扬式冲击钻机自动控制系统

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This article introduce a kind of mechanical and electric combined drive drill rig.

介绍了一种机电复合驱动石油钻机.

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development of gcf series of reverse circulation construction percussive drill rig

GCF系列冲击反循环工程钻机的研制

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Simulation Research on Drill Pipe of 2000 Meter Water Well Rig

2000m水井钻机的钻杆仿真研究

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