钻井

Usage of is wider and wider. On the basis of developing history of CT, the paper describes the advantages and disadvantages of CTD,CT drilling rig system, underbalanced CTD and through tubing sidetracking technique of CT.

在概述连续软管发展史的基础上，叙述了连续软管钻井的优缺点、连续软管钻机系统、欠平衡连续软管钻井及连续软管过油管侧钻技术，介绍了国外石油公司利用连续软管钻井的先进经验。

The article analyzes the technic factors that restrict the development of telemetering of well-drilling.

分析了制约钻井遥测发展的技术原因，结合电磁理论和钻井设备本身的特点，提出在钻井遥测系统中以钻杆为天线的工程技术，然后从多方分析了该技术的可行性和实用性，并在试验中得以证实

It is recommended to start development of offshore drill ship. It is preferred to modify the petroleum exploration drill ship into NGH drill ship. Turbine rotating will be considered to counteract the ocean tides to obtain dynamic balance so as to ensure the stability of the NGH sampling operation.

并建议开展海洋钻井船的研制工作，可优先考虑将石油勘探钻井船改装成天然气水合物勘探钻井船；同时还要保证其取样位置的稳定性，可采取动平衡原理，通过涡轮旋转来抵消海流的作用。

The measurement of engineering parameters near the bit while drilling is of significant importance for the safety and efficiency in a drilling process.

钻井过程中，近钻头处钻压、扭矩等钻井工程参数的随钻准确测量对安全、高效钻井是十分重要的。

Specially it is essential to downhole closed-loop automated drilling and intelligent drilling in the future.

尤其对于导向钻井、井下闭环自动钻井以及将来的人工智能钻井更是必不可少的重要一环。

According to the requirement of oil drilling foreign and domestic, the international standard for oil equipment and national oil drilling codes. In order to prevent fault which flaming gas or vapour may be present in the air in sufficient quantities to be explosive or ignitable. We designed and made explosion-proof electric controlling equipment for oil field.

根据目前国内外石油钻井装备的要求，以及符合现代化钻井生产的规范化要求，为防止在石油钻井过程中，控制设备产生火花而引起可燃性气体发生爆炸，本公司设计生产了油田钻井液循环罐防爆电气控制系统。

Gas drilling ; penetration rate ; rotary drilling ; percussion drilling ; rock breaking

气体钻井；机械钻速；旋转钻井；冲击钻井；岩石破碎

According to the failure analysis of the test well, that the drilling well locates at the site 30 m far from the outtake may improve the stability and the term of service.

通过对试验钻井破坏情况分析，钻井布置在靠近回风巷侧30 m以内，可能会提高钻井的稳定性和服务期限。

Diesel engine tail gas drilling is a kind of gas-based underbalanced drilling, with advantages of protecting oil/gas reservoirs and improving ROP. However, due to complex composition, the diesel tail gas will give rise to severe corrosion to oil country tubular goods.

柴油机尾气负压钻井属气基欠平衡钻井，具有保护油气层和提高钻井速度等优点，但柴油机尾气成分复杂对石油管材可产生不同程度的腐蚀。

According to the main equipment of Wei 12-1 workover rig and drilling basis data of adjustment well, the hook load and torque of drill string are found out and a new drilling string is presented by using the torque and drag analysis model and calculating software, on which depend to calculate and evaluate the capacity of main drilling equipment of Wei 12-1 workover rig , such as derrick, drawworks, and rotary table, as well as hoisting equipment (traveling block, hook and swivel) and drill line etc.

根据涠12－1修井机主要配套设备和钻调整井的钻井基础数据，运用钻柱摩阻的计算模型，对侧钻过程中钻柱的摩阻/扭矩进行分析计算，提出新的钻具组合，计算大钩载荷及扭矩载荷，并根据计算出的大钩载荷及扭矩载荷，对平台修井机主要钻井设备井架、绞车、转盘、提升设备、钻井大绳等的承载能力进行分析计算，得出分析研究结论，并提出改造的具体思路及相关配套技术的实施方案。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。