国内外空气锤钻井技术的文献调研。
Literature research of air hammer drilling in domestic and overseas.
空气锤结构及工作原理研究。
空气锤结构设计。
空气锤破岩分析。
其中包括：电液锤与蒸汽-空气锤工作状况的比较；
The contents of the paper include:the comparison of the electrohydraulic hammer and the steam—air hammer;
简介了空气锤锤砧锤模联接方式改进前后的使用状况。
The brief introduction involves the operational performances of the pneumatic hammer before and after modification of the anvil-die connection.
收集了国内外空气锤技术在油气田钻井现场的使用现状。
This paper collects air hammer' using status in oil and gas fields drilling site at home and abroad.
分析了空气锤旧式锤头存在的主要问题。介绍了空气锤新式锤头的设计方法。
The author analyzes the main problems concerning traditional pneumatic hammerhead and introduces the design procedure for the new type hammerhead.
由于文章篇幅的限制，仅列出了气源压力、背压对空气锤工作参数的影响规律。
Owing to spatial confined, the paper enumerates air supply pressure and backpressure which influence the working parameter of the DTH hammer only.
主要介绍了电液锤换头改造模锻锤和空气锤过程中遇到的突出问题及解决的办法。
The economic results changing the head queen and outstanding problem and way solving in electricity liquid hammer reform process has been introduced mainly.
但是，空气锤、特别是配套冲击钻头断脱导致的井下事故时有发生，影响因素极为复杂。
But the matching impact bits often dropped off from the pneumatic hammers and led the well accident caused by complex factors.
其中空气锤、铆接机分获“国优”和“省优”称号，并起草制定了这两种产品的现行国标。
One Kong Qichui, riveting machines at the "Guo You" and "provincial superior" designation, and the drafting of the development of the two products of the existing national standard.
研究了用液压机、曲柄压力机、空气锤及高速锤的打击速度对粉末冶金烧结体进行的镦粗试验。
The upsetting test of metal powder sintered preform by blow speed of the hydraulic press, crank press, pneumatic hammer and high energy rate forging hammer was reported.
收集了国内外典型的空气锤结构，了解空气锤工作原理，确定了空气锤结构的设计原则及方法。
This paper collects the typical structure of air hammer, understands the principle, determines the design principles and methods.
在油田气体钻井中使用KQC系列空气锤，解决了泥浆钻井在中硬以上地层中钻速慢、易井斜的难题。
KQC series of air hammers used in gas drilling can solve certain problems, such as lower ROP(Rate of Penetration) and well deviation, which occurred in mud drilling in above medium hard formation.
引进空气钻井、氮气钻井、空气锤冲击钻井在普光气田上部陆相地层试验和应用，并成功拓展到须家河组地层。
Introducing into air drilling, nitrogen drilling and air percussion drilling were applied in Puguang upper continental facies stratum; moreover, drilled successfully into Xujiahe group stratum.
江苏省海安县昌达工矿配件有限公司，专业从事C - 41系列空气锤及配件，DHZ锻造操作机的生产和工艺研究。
Hai 'an County, Jiangsu Province, Prachanda mining accessories Co., Ltd., specializing in C-41 series Kong Qichui and accessories, DHZ forging operation for the production and technology research.
影响钻柱疲劳寿命的因素包括钻柱裂纹尺寸、空气锤冲击频率、转盘转速等，而空气锤冲击频率与裂纹尺寸是影响钻柱疲劳寿命的两大主要因素。
Crack size, hammer stroke frequency and rotary speed influence the drilling string fatigue life involve, in which the crack size and stroke frequency were two major factors.
影响钻柱疲劳寿命的因素包括钻柱裂纹尺寸、空气锤冲击频率、转盘转速等，而空气锤冲击频率与裂纹尺寸是影响钻柱疲劳寿命的两大主要因素。
Crack size, hammer stroke frequency and rotary speed influence the drilling string fatigue life involve, in which the crack size and stroke frequency were two major factors.
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