But, underbalanced drilling technology is not suitable for every reservoir.
但是，欠平衡钻井技术并非适用于所有的油气藏。
Drilling technology has improved, allowing tunnels to be dug without breaking the surface.
在钻孔技术发达的今天，打通地下隧道已经不会伤及地表了。
The horizontal direction drilling technology is a new one in modern non-excavating construction.
水平定向钻进铺管技术是一种现代的非开挖施工新技术。
More and more horizontal Wells are applied while drilling technology is becoming perfect gradually.
随着钻井技术的逐步完善，水平井的应用越来越广泛。
Brandon started a company in Berlin, Pennsylvania, that specializes in a new kind of drilling technology.
布兰登在宾夕法尼亚的柏林市创建了一家公司，专营一种新型的钻探技术。
Developing logging while drilling technology is a major concern direction for oilfield service company.
大力发展随钻测井技术是油田技术服务公司的一个主要关注方向。
This is due to the complicated geological conditions, as well as the underdeveloped drilling technology.
受地下地质条件影响的同时，钻井工艺技术的落后也是其影响因素之一。
It is very difficult to develop the deep thin reservoirs using the conventional horizontal drilling technology.
利用常规水平井技术开发深部薄油层有较高的技术难度。
Finally, it provides the screening process of reservoirs based on the optimizing underbalanced drilling technology.
以优化欠平衡钻井作业为依据，提出了油气藏的筛选步骤。
The forming mechanism of bias force of the RCLD system for the rotary steering drilling technology was investigated.
对调制式旋转导向工具RCLD系统的导向力的形成机理进行了探讨。
When drilling in frozen rock, the temperature in borehole is one of the main factors influencing drilling technology.
钻孔温度特性是影响多年冻结岩石钻进工艺的主要因素之一。
Underbalanced drilling technology can increase ROP and decrease formation damage, so it is increasingly used worldwide.
欠平衡钻井技术可以降低地层损害、提高机械钻速，所以在世界范围内被逐渐采用。
The paper introduces the typical examples for resolving these problems by air-lift reverse circulation drilling technology.
介绍了应用气举反循环钻进工艺解决这些疑难技术问题的成功案例。
The optimum design of DTH drilling system and the adoption of drilling technology can be developed based on the data and result.
以上计算和分析的结果，对气动潜孔锤短钻柱系统优化设计和钻井工艺的采用具有实际应用价值。
Drilling technology parameter and rational combination of drilling tools is a key for controlling the borehole track controlling.
钻井工艺参数及合理的钻具组合对井眼轨迹的控制至关重要。
Surface pre-orienting drilling technology is employed for preventing wellbore from collision and channeling in CDXA Cluster Wells.
为防止井眼碰撞、窜槽现象的发生，CDXA井组采用了表层预定向钻井技术。
The successful drilling and application of new drilling technology provide valuable experience for drilling other ultra-deep Wells.
该井的顺利完钻和新钻井技术的成功应用也为其他超深井施工提供了宝贵的经验。
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。
By practice this advanced drilling technology, work of drilling was finished well at very low cost, high accuracy in very short time.
实践表明：利用先进的钻进技术是能够达到很好钻探效果，可在短时间内，高精度、低成本完成打井施工任务。
Dual Gradient drilling (DGD) is also known as Dual Density drilling, which is a new type of drilling technology for deepwater drilling.
双梯度钻井又称为双密度钻井，是一种适用于深水钻井的新型钻井技术。
Guarantee special thick wall casing to put down successfully and improve reaming after drilling technology to seal quality of salt layer.
保证特厚壁套管顺利下入和提高盐膏层封固质量的钻后扩眼技术。
Current drilling technology requests that polyanionic cellulose (PAC) has the better properties to tolerate salt, calcium and temperature.
现在的石油钻井技术要求聚阴离子纤维素(简称PAC)具有更好的抗盐、抗钙和抗温性能。
It mainly has two parts as follows: theory research of foamed drilling fluids, and practice achievements in foam and foamed drilling technology.
论文主要包括两大部分：一是泡沫流体理论研究，二是泡沫和泡沫钻进技术的实践成果。
New drilling technology has unlocked two vast pockets of shale gas with recoverable reserves of about 70 trillion cubic feet (2 trillion cubic metres).
新的钻探技术开启了两个巨大的页岩油矿穴，还有70万亿立方英迟(2万亿立方米)的采储量。
A further utilization of horizontal wells is to improve oil recoveries with an improvementin drilling technology and reduce well costs is suggested.
随着水平钻井技术的不断提高和费用的下降，利用水平井的经济前景越来越好。
Major foreign oilfield technology service companies are attaching great importance to the research and development of logging-while-drilling technology.
大力发展随钻测井技术是国外油田技术服务公司的一个主要关注方向。
During drilling horizontal well, usually adopt geometry steerable drilling technology to increase the penetration rate of borehole track in oil reservoir.
在水平井钻井中，通常采用地质导向钻井技术来提高井眼轨迹在油层中的穿透率。
Based on the historical experience of drilling technology, it is proposed to study the bottom process of large diameter reverse circulation rotary drilling.
根据钻探技术的历史经验，建议应进行大直径反循环回转钻进井底过程的研究。
This paper briefs the long borehole directional drilling technology, selection of typical equipment, process, measuring system and application in coalmines.
本文介绍深孔定向钻进技术的原理、典型的设备选择、工艺、测量系统以及该技术在煤矿工程中的应用。
Combined drilling technology is a multi purpose drilling method which is developed to increase the comprehensive drilling efficiency in different formations.
组合钻探工艺是一种为了提高不同地层取样钻探施工综合效率的多用途钻探技术。
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