空气钻井有计划地设计成为必要。
文中介绍空气钻井技术在大邑1井的应用情况。
The paper introduces the application of air drilling technology in well Dayi 1.
空气螺杆钻具是专为空气钻井而设计的动力装置。
The air screw drill tool was power equipment which was designed for 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。
This software mainly use the logging data to forecast the stability of air drilling.
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。
The use of air as a circulating medium for drilling is the best way for the development of low pressure and low permeable formation.
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。
The performance difference between air crew drill and mud motor was analyzed under the air drilling condition.
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 one of the effective means to increase drilling ROP, able to reach an ROP several times that of a conventional drilling.
但由于此技术受客观情况影响较大，因此钻井前必须对空气钻井可行性详加论证。
However, as a new technology, Air-Drilling is greatly rely on the objective circumstances, so it must be detailed demonstration before Air-Drilling.
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。
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.
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 is a kind of under-balanced drilling technology with air, whose rock breaking form is different from conventional mud drilling.
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。
Air drilling will bring an important play with the improvement of the electromagnetic wave MWD, air motor and other underbalanced drilling equipments.
研究表明，影响空气钻井井壁稳定的主要因素有三个：力学不稳定，水化不稳定和岩体破裂或弱面不稳定。
Preexisting research shows that there are three main factors that affect the borehole stability of Air-Drilling: mechanical reason, hydration reason and the Weaked surface instability reason.
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。
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.
井壁稳定问题就是气体钻井首先需要考虑的问题，它也是决定钻井过程中能否采用空气钻井技术的关键因素。
First, we must take Wellbore stability of the gas drilling into account, it is the key factor that determined whether the drilling process can use the Air-Drilling technology.
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.
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。
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。
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 …
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。
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。
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.
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