查询词典 drilling

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。

ABSTRACT The drilling tool accidents in the oil drilling fields often happen and are generally disastrous, which cause great economic losse...

在石油钻采工地，钻柱事故时有发生，一般均为恶性事故，一旦发生，便会造成很大的经济损失，严重时导致油井报废。

Several parameters including drilling depth, thickness of work piece, incident angle of laser beam, and taper degree of drilling hole are used to analyze the laser energy demand and temperature field.

本篇将藉由一项新的学模式－三维积体点热源模式为基础，计算钻孔形成所需的功以及温场。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。