Mechanical design of stabilized platform unit is one of the key techniques in the rotary steering drilling tool.
稳定平台单元机械系统的设计是旋转导向钻井工具的关键和难点之一。
Supervisors in this unit group supervise and co-ordinate the activities of workers engaged in drilling for oil or gas, operating service rigs, or providing oil and gas well services.
本单元组监督元监督和协调从事钻探石油或天然气，运营服务的钻机，或提供石油和天然气井技术服务的工人的活动。
And the operators are improved by establishing the Order Exchange Unit and Order Exchange List to satisfy the need of integer coding in drilling path optimization.
通过建立序交换元和序交换集对算法的操作算子进行改进，满足钻削路径优化问题中整数编码的需要。
The drilling unit is made of a very strong structure containing the single drilling spindles which run in perfectly ground bronze cylinders (sleeves).
钻头单元由一个强有力的包含单一钻锭的结构组成，钻定运行在完美的青铜圆柱（袖套）面上。
UNIT PRICES include for drilling mortices or forming mortices in the structure by whatever means necessary including diamond drilling, abortive holes etc.
单价包括在结构中钻孔或开榫眼，不管用什么方法（包括金刚石钻孔、磨孔等）。
In production, the production unit can inquire reservoir sensitivity evaluation result, fluid formula during entering about drilling and production engineering for field application.
在生产中，生产单位可以在数据库中查询到各油田、区块储层敏感性评价结果，钻井、采油工程入井流体配方，以供现场应用。
Replacing diesel by diesel-natural gas as the fuel for drilling engine unit in natural gas field is one of the effective ways for improving economic benefit and reducing development cost.
天然气气田钻井发动机机组燃料由柴油改为柴油-天然气双燃料，是提高经济效益、降低开发成本的有效途径之一。
This paper discusses the breakeven point engineering volume, break even point unit price, profit and operating safety ratio in the contract of drilling engineering.
探讨了钻井工程承包中盈亏平衡点工程量、平衡点单价、利润及经营安全率等问题。
Drillers in this unit group operate mobile drilling machines to bore blast holes in open-pit mines and quarries and to bore holes for blasting and for building foundations at construction sites.
该项中的钻探工人操作移动钻孔机实施露天矿和采石场的钻孔爆破以及建筑工地的建筑物基础设施的爆破工作。
Supervisors in this unit group supervise and co-ordinate the activities of workers engaged in drilling for oil or gas, operating service rigs, or providing oil and gas well services.
石油和天然气钻探和服务主管主管负责监督和协调从事石油或天然气钻探工作人员的相关工作，经营服务平台，或提供石油和天然气方面的服务。
The method discussed in this paper refers to the cut and consolidated fill method in which drilling is done by jumbo, broken ore moved by LHD unit and the filler transported by pipeline.
该采矿法指用台车凿岩、铲运机出矿和管道输送充填料的胶结充填采矿法。
The method discussed in this paper refers to the cut and consolidated fill method in which drilling is done by jumbo, broken ore moved by LHD unit and the filler transported by pipeline.
该采矿法指用台车凿岩、铲运机出矿和管道输送充填料的胶结充填采矿法。
应用推荐