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- Application of Down Hole Hammer Drilling Technology in Pipe Shed Construction 潜孔锤钻进技术在管棚施工中的应用
- STUDY ON CONSTRUCTION TECHNIQUE OF PIPE DRILLING ON STATIC LOAD AND PERCUSSIVE FORCE WITH DOWN HOLE HAMMER 潜孔锤冲击静压跟管钻进施工工艺的研究
- Keywords foam drilling clayey crack formation down hole hammer drilling in cracy hard rock for-mation pipe grade operation methods; 空气泡沫钻进;粘土质裂隙地层;潜孔锤钻进;钻具级配;
- This paper analyses and expounds :thetechniques relating to foam drilling in Clayey Crackformation and by down hole hammer in cracky hardrock formation; 分析论述了粘土质裂隙地层空气泡沫钻进的有关工艺；裂隙发育硬岩地层空气泡沫潜孔锤钻进的有关工艺；
- DOWN HOLE HAMMER AND BIT 潜孔冲击器及钻头
- Trial of and Research on Down Hole Hammers Patterned in HC Annulus and Their Coring Methods HC型环状组合式潜孔锤及取心方法试验研究
- pneumatic down-- the-- hole hammer 风动潜孔锤
- Oil and Gas Reservoir Model for Multiplayer Channeling and Dynamic Monitor Down Hole Pressure. 多层窜流油气藏模型及井底压力动态
- Oriented case overshot for sidetrack drilling tech is a main component in down hole work-over operation. 定向套管开窗侧钻技术已成为井下大修作业的重要组成部分。
- MDT sampling is a new type of down hole PVT oil and gas sampling method during DST. MDT取样是在中途测试阶段进行的一种新型井下PVT油气取样方法。
- All drilling tubulars and down hole tools, including drill pipe, drill collars. Subs, crossovers, fishing tools. etc. 所有的钻井管柱和井下工具,包括钻杆钻铤、接头、配合接头和打捞工具等。
- HC - 15 large-diameter down the hole hammer of annular coring HC-15型大直径环状取心潜孔锤
- A lot of lab study and test have been done to the problems of bad reliability and short life-span for traditional slip-type down hole chock. 针对传统卡瓦式井下节流器的“圆柱”式胶简存在可靠性差、寿命短的问题,进行了大量的室内研究实验。
- To the problems occurring at using down hole mechanical sample n oil and gas wells, aptitude microelectronic high pressure sample has been studied. 针对油气井井下机械取样器在使用过程中出现的问题,研究开发出了智能型微电子高压物性取样器。
- Information transmission between ground and down hole is the of key the closed-loop control system of wellbore trajectory. 地面与井下的信息传输是井眼轨道自动闭环控制的核心。
- The down hole decentralized gas anchor is a kind of gas separator, the intake ports of which are located on the inner wall of the casing. 偏心气锚是指在弓形弹簧的作用下,将气锚的吸入口置于套管内壁附近的一种油气分离装置。
- This paper presents a instrument which can diagnoses the down hole failure with computer system,and describes the design of its construction and applications. 这里介绍了一种采用计算机系统对井下故障进行诊断的仪器，叙述了仪器的设计结构和应用效果。
- She smashed the hammer down onto the box. 她用锤子猛击箱子。
- Described are features and functions of Ingersoll-rand cluste down the hole hammers and programs of construction three diaphragm walls ofdifferent structures using them, with emphasis on he sheet pile diaphragm wall construction procedure. 介绍了英格素兰公司的集束式潜孔锤的特点及性能，用集束潜孔锤施工3种不同结构连续墙的程序，着重介绍了钢板连续墙施工工序。
- Abstract:Through an engineering practice, the application of SDDC (Super Down Hole Dynamic Compaction) on consolidating the mixed backfilling and high backfilling it introduced. [摘要]通过工程实例,介绍了孔内深层强夯技术在加固杂填土和高填方土中的应用。
