查询词典 drilling stem

The pressure and temperature control in drilling process is the key to ensure successful drilling and corresponding well quality.

钻井过程中井内压力和温度的控制是钻井成功和质量保证的关键。

The simulation drilling refers to the process of drilling a well using computer based on the mathematical model.

计算机模拟钻井是在室内根据已建立的工程数学模型，用计算机模拟实现钻井施工全过程的一种仿真技术。

It is of great importance for the sustainable development ofoil-gas well drilling to treat drilling wastewater by economical and effective methods.

如何采用经济有效的方法处理废弃钻井液，对油气井开采业的可持续发展具有重要意义。

During drilling well, keeping wellbore stability is very important for drilling normally.

在钻井过程中，保持井眼稳定性是保证正常钻进的基础。

Natural gas drilling, as well as oil drilling, has scaled back significantly in recent months.

天然气开采，以及石油钻井，大大缩减了近几个月。

It is expected that hot melt drilling method have a good application prospect in drilling engineering, particularly in well cementing without casing.

热熔钻进工艺在无套管固井和工程施工中有很好的应用前景。

Unbalanced state was kept at the bottom of the well by downhole casing shut-off valve in whole process unbalanced drilling operation, the oil reservoir was protected by unbalanced drilling and non-snubbing service.

在全过程欠平衡钻井作业过程中，通过井下套管阀开关，保证井底始终处于欠平衡状态，成功地进行了欠平衡钻进、不压井起下钻等作业，有效地保护了储层。

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。

Mold workshop equipment: CNC Machining Center Units 1, 5 Units EDM, engraving machine 5 Units, one of Units 2 computer engraving machine, EDM 4 Units, 2 Units welding machines, planer 3 Units, legislative Units 4-type milling machine, surface grinder 1 Units, Units 1 Trimming Machine, Vertical Drilling Machine G-35 Units 1, 2 desktop Drilling Units, and other auxiliary equipment.

模具车间设备：数控加工中心1台、电火花成型机5台、刻花机5台，其中电脑刻花机2台、线切割机4台、氬弧焊机2台、刨床3台、立式铣床4台、平面磨床1台、切边机1台、立式G-35钻床1台、台式钻床2台，其它辅助设备等。

Model JZY-Ⅰ multifunction drilling tool makeup and breakout stand is a six-claw clamping double-arm impact unscrewing equipmet, which is suitable for makeup and breakout of drilling tools of 80 ～275mm in diameter; its inaximum unscrewing and screwing torques are 145kN·m and 85kN·m respectively; maximum thrusting force and pulling force are 150kN and 100kN respectively.

JZY－Ⅰ型多用途钻具拆装架是一种六爪卡紧双臂冲扣式钻具拆装设备，适用于拆装直径为80～275mm的钻具；最大松、紧扣扭矩分别为145kN·m和85kN·m；最大推力和拉力分别为150kN和100kN。

Eight cases of simple chordee of penis were adopted urethral extending.9 cases of severe simple chordee of penis were adopted primary urethroplasty.

8例单纯性阴茎下弯患者采取尿道延伸术，9例重度阴茎下弯患者采取切断尿道矫直阴茎一期尿道成形术。

She is a daintily dressed young lady.

她是个装饰娇艳的少女。