The paper introduces the application of air drilling technology in well Dayi 1.
文中介绍空气钻井技术在大邑1井的应用情况。
The air screw drill tool was power equipment which was designed for air drilling.
空气螺杆钻具是专为空气钻井而设计的动力装置。
This software mainly use the logging data to forecast the stability of air drilling.
该软件主要利用测井资料钻前预测空气钻井井壁稳定情况。
The performance difference between air crew drill and mud motor was analyzed under the air drilling condition.
对比分析了空气螺杆钻具与泥浆马达在空气钻井井况下的性能差异。
These problems can be solved to use air drilling, but the use of air drilling also face restrictions created by many factors.
采用气体钻井技术可在一定程度上解决上述问题，但气体钻井也受到多因素的制约。
In China, the screw drilling and the normal pressure compressed air drilling were conducted for trial and the results were not so good.
国内进行了螺旋钻进和常风压空气钻进的尝试，但效果一般。
Air drilling is one of the effective means to increase drilling ROP, able to reach an ROP several times that of a conventional drilling.
采用空气钻井技术提高钻井机械钻速非常有效，钻速是常规钻井机械的数倍。
Air drilling is a kind of under-balanced drilling technology with air, whose rock breaking form is different from conventional mud drilling.
空气钻井技术是以空气作为循环介质的欠平衡钻井技术，其钻头的破岩形式与常规泥浆钻井有很大的区别。
Air drilling will bring an important play with the improvement of the electromagnetic wave MWD, air motor and other underbalanced drilling equipments.
随着电磁波mwd、空气钻井马达的普及和各种设备的不断完善，空气钻井技术将发挥越来越重要的作用。
However, with the well number increasing, the drilling tool failure is outstanding gradually, which has safe effect and extends the application of air drilling.
随着气体钻井数量的增加，钻具失效问题日益突出，已影响到气体钻井的安全和推广应用。
Establish the erosive wear mechanism of drilling string in air drilling and put forward that erosion wear is a substantial cause to promote drill string failure.
初步确立了空气钻井钻柱冲蚀磨损机理，提出钻屑冲蚀是促使钻具失效的一项重要原因。
The flow over a backward facing step of an annular tube is a very important part of air drilling, determining the detritus going back to the ground successfully.
环空管道后台阶突扩流动是空气正循环钻井过程中十分重要的关键部分，直接决定了钻探岩屑是否能够顺利上返地面。
Air has a low density and great compressibility. The volumetric flow rate of air in air drilling varies with pressure and temperature, which in turn, change with WLL depth.
气体不仅密度低，而且具有很大的可压缩性，所以空气钻井的体积流量将随压力和温度变化，而压力和温度又随井深变化。
The air drilling may largely enhance the drilling speed, shorten the drilling time, decrease the drilling cost. The technology, however, needs expensive surface equipments. A …
空气钻井主要应用于中低压地层，可以大幅度提高钻井速度，缩短建井周期，降低钻井成本，但需要昂贵的地面设备。
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.
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。
Air drilling is one of the fastest and cheapest drilling methods up to now. It is the most practical technology to penetrate the low - pressure and low -permeability reservoirs and leak - off zones.
空气钻井是目前钻速最快、最经济的欠平衡钻井作业方式之一，是低压低渗漏特别是恶性井漏钻井最实用的技术。
Environmentalists condemned the decision to allow drilling, saying it would generate industrial levels of noise in the water and pollute both the air and surrounding water.
环保人士谴责允许钻井的决定，说它将在水中造成工业水平的噪音，污染空气和周围水域。
The air-raid alarm went on drilling away from the gate.
从大门不停地传来刺耳的空袭警报。
The article analyses the technique superiority and social economic meanings of the air-foam drilling on the basis of the studying to productive experiment.
基于实钻研究，分析空气泡沫钻进技术在地质岩心钻探中应用的技术优势和社会经济意义；
A drilling technique whereby gases (typically compressed air or nitrogen) are used to cool the drill bit and lift cuttings out of the wellbore, instead of the more conventional use of liquids.
空气钻井是一种钻井工艺，是指利用气体去冷却钻头和把岩屑举升出油井环空，而不是利用更常使用的流体。
To solve the problem of well bore cleaning during air and mist drilling, the test device is the key equipment and essential means.
解决空气雾化钻井井眼净化问题，试验架是关键装置、基础设备和必要手段。
In this paper, it is introduced of underwater operating mission when installing petroleum drilling platform and medical guarantee for air diving and oxygen-helium diving.
文章介绍了石油钻井平台安装时的水下作业任务以及空气潜水和氮氧潜水医务保障情况。
The use of air as a circulating medium for drilling is the best way for the development of low pressure and low permeable formation.
空气钻井采用空气作为循环介质，最适低压和低渗透储层的开采。
In order to reduce the fluctuation of pressure and discharge capacity of the triplex drilling pump, the air accumulator is often fixed on the discharge pipe.
为了降低三缸单作用钻井泵的压力和排量波动，通常在排出管线上安装有空气包。
In air and mist drilling, annular carries are the typical of gas, liquid and solid multiphase flow, and its mechanism and principles are very complicated.
在空气雾化钻井中，井眼环空携岩流动是一种典型的气、液、固多相流动，其机理和规律十分复杂。
The air-driven down-hole hammer drilling is still very effective and speedy in well drilling in karst limestone area.
在水文水井中，气动潜孔锤钻进仍可发挥它高效率、高速度的作用。
By analysis of enforcement of drilling tools of air downhole hammer's following pipe, the factors affecting the drilling speed and depth of the following pipe are obtained.
通过对空气潜孔锤跟管钻进钻具的受力分析，得到影响潜孔锤跟管钻进速度和跟管深度的因素。
Apply air reverse circulation drilling, appropriate increase length of twofold wall drill tools under certain conditions, may be drilling much deeper.
运用气举反循环钻进，在满足一定条件下适当增加双壁钻具长度即可得到较大钻进孔深。
Apply air reverse circulation drilling, appropriate increase length of twofold wall drill tools under certain conditions, may be drilling much deeper.
运用气举反循环钻进，在满足一定条件下适当增加双壁钻具长度即可得到较大钻进孔深。
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