在全面分析钻井机械的组成、钻进过程的特点和人的特性的基础上，建立钻机钻进过程人机系统可靠性模型。
Based on an analysis of the composition of drilling rig, characteristics of drilling process, and human features, a reliability model of man-machine control system for drilling process is established.
同时，还介绍了该算法在钻井工程优化设计中优选钻进参数的应用。
Also, an application of the algorithm is described for optimizing drilling parameters in drilling engineering plan.
影响钻井法钻进速度的因素主要有破岩和排渣。
The main factors affected on the drilling speed of drilling method are rock-cutting and mud discharge.
大斜度定向井斜井段易形成的岩屑床影响钻进速度、威胁钻井施工安全。
Cuttings bed is formed easily in inclined section of high Angle directional well. It affects drilling speed, threatens drilling safe.
PD C钻头在钻井破岩中所占比例越来越大，但在软硬交错的多夹层地层钻进时效果却不理想。
Although more and more PDC bits are used in drilling operation, but the results of drilling in the hard and soft interbedded formation are not desired.
开展油田钻柱失效分析与预防对提高钻井速度、降低钻井成本及井下安全钻进具有重要意义。
It is very important for improving drilling rate, reducing drilling cost and safety drilling to carry out drill stem failure analysis and prevention.
使之在钻井、完井、固井过程中不发生溢流(井喷)或井漏事故，从而实现安全，快速，低成本钻进。
In well drilling and completion, cementing the process does not overflow occurs (at) or well leakage accidents, and realize safe, rapid and low cost of drilling.
通过156口调整井钻井试验，对比分析了刮刀钻头和牙轮钻头的钻进特性、牙齿磨损特性、井底流场特性及钻井效果。
Through drilling experiment in 156 adjustment Wells, the drilling behaviors, cutter wear, downhole jet flow field and drilling effect of drag bits and roller ones were comparatively analyzed.
气体钻井技术作为我国当前及未来的石油钻探主力技术，气动冲击器是其能否实现有效钻进的关键设备之一。
Gas drilling technology as our current and future main oil drilling technology, pneumatic pneumatic is one of key equipments of it to determine achieved effective drilling.
PD C钻头具有钻进时间长、机械钻速高、起下钻次数少等特点，使用PD C钻头可大大提高钻井速度。
PDC bit have advantages of high penetrate rate, long bit life which saving tripping times so that the application of PDC bit can improve drilling efficiency.
钻进过程中水合物的分解会对钻井、钻进质量、设备和环境等造成严重危害。
The hydrate breakdown endangers the quality of the drilling, the life of the equipments and the protection of the environment.
所以在钻井作业中采用减震器，对于延长钻头使用寿命，加快钻进速度、克服严重跳钻、保证正常钻井、保护地面设备及钻具是十分可靠的。
Taking use of the shock absorber, it can raise the service life for drill bit and drill tool, speed up drilling, get rid of drilling jumping, well protect surface equipments and drilling tools.
在钻井施工过程中，为了提高钻进效率，降低成本，对PD C钻头进行选型研究是必要的。
In order to increase drilling efficiency and reduce cost during drilling operations, it is necessary to do some research on PDC bit selection.
钻压、扭矩、侧向力、环空压力等钻井工程参数可以随钻进行测试。
It can measure drilling engineering parameter, such as drilling pressure, torque, side pressure and annular pressure etc.
冲旋钻井技术是一种新型、高效钻进硬地层的方法。
The revolving-drilling technique is one of the new-type and effective methods for hard rock drilling.
钻进过程中，井下泥浆的漏失往往导致严重的钻井事故，从而延长钻井周期，增加钻井成本。
In the process of drilling, lost circulation can often result in serious drilling accidents, delay the period of drilling and increase the cost of drilling.
采用该仿真程序可对不同钻井条件下不同结构单牙轮钻头的性能作出比较和判定，也可预计尚未制成钻头的钻进能力。
By using this program, the performances of single cone bits with different structures under various drilling conditions can be compared and evaluated.
地面录井服务利用从井下传感器获取的钻井数据，提供有价值的井况和钻井信息，帮助作业者实现更有效地钻进。
Surface logging services leverage drilling data acquired from downhole sensors to provide valuable information about well status and drilling performance to help drill Wells more efficiently.
当用气体钻井打开储层时，由于钻进时井筒流动压力远远低于地层孔隙压力，储层流体就不断地流入井筒，并返出到地面。
For gas Drilling, the bottom hole pressure is far smaller than the formation pressure, so that the gas in the reservoir come out to the hole continuously and get out of the well.
因此，准确预测钻井过程中井内温度值，掌握其分布和变化规律对钻井作业安全、快速的钻进具有十分重要的意义。
Therefore, the accurate prediction of the temperature in a well during the process of drilling and the temperature distribution and variation are very significant for safe and high-speed drilling.
旋冲钻井技术近年来已成为石油钻井界广泛关注的热点研究课题，被认为是解决深井硬地层钻进难题的最有效方法之一，具有良好的应用前景。
The percussive - rotary drilling technology is one of the most effective ways to solve the drilling difficulties in hard rock in recent years. The technology has a good application prospect.
结合满东2井氮气钻进的工程实践，验证了塔里木油田气体钻井装备配套优化方案的实用性。
Combined with the engineering practice of nitrogen gas well drilling in Mandong-2 well, the utility of optimization program of gas drilling equipment package of Tarim oilfield are verified.
该设备采用高压射流钻井工艺，具有钻进效率高、钻具结构简单、设计合理等特点。在两次现场试验中，成功地实钻了三眼定向孔。
The equipment applies high voltage jet drilling process, with characteristics of high drilling efficiency , simple structural drilling tool and reasonable design.
通过该井大井眼巨厚砾石层的钻进，对钻井工具的制造也提出了新的要求。
Through the drilling of thicker conglomerate in large borehole, the new requirement for the manufacture of drilling tools has been put forward.
在全面分析钻井机械的组成、钻进过程的特点和人的特性的基础上，建立钻机钻进过程人机系统可靠性模型。
Based on the basic features of dynamic gas emission during boring process, a theoretical model for calculating the dynamic volume of gas emission from bore hole is set up.
其次，综合运用“层次分析法”和“模糊综合评价法”对川东北矿区油气钻井的钻前风险、钻进风险和完井风险进行系统评价，得出钻前、钻进和完井阶段的风险等级状况；
Secondly, to conduct a systematic assessment on the risks of the three stages with the integrated AHP and fuzzy evaluation method to obtained their respective degrees of risk status.
其次，综合运用“层次分析法”和“模糊综合评价法”对川东北矿区油气钻井的钻前风险、钻进风险和完井风险进行系统评价，得出钻前、钻进和完井阶段的风险等级状况；
Secondly, to conduct a systematic assessment on the risks of the three stages with the integrated AHP and fuzzy evaluation method to obtained their respective degrees of risk status.
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