对于钻井作业时间长，废水产生量大的油田，已经形成一套成熟的处理方法和有效的处理设施。
For oil field which need a long time drilling operation and produced plenty of wastewater has become a mature approach and effective treatment equipment.
这些常规的控制测量手段工作量大，作业时间长，受气候、环境等条件影响显著，而且误差积累显著。
These conventional control survey method work loads very big, work time long, condition influence and so on the climate, environment is been remarkable, moreover the error accumulates remarkably.
广泛应用于震动幅度大、冲击频率高、作业时间长、环境恶劣的各类工程机械，压路机、挖掘机、矿山运输车辆等。
Be widely applied on various construction equipments with some features, big vibration and shock frequently, working long time, terrible environment machines, such as roller, grab, mine transporter.
油田常用的丢手工具主要有投球式和液压式两种类型，这两种丢手工具都不能传递扭矩，限制了工具的应用范围，而且投球式丢手工具施工时作业时间长，效率低。
The ball-off and hydraulic releasing tools are used in oilfield, but it can not transfer the moment of torsion and limit their applied range.
摘要船闸人字门顶门检修的传统方法是采用液压千斤顶手动作业，工作效率低，时间长，技术风险大。
Traditional method for overhaul of the top of miter gate is through manual operation by hydraulic hoisting jack which has the shortcomings of low efficiency and great risk.
由于对顶板防水功能的要求很高，经多方案比较，决定选用初凝时间长、终凝时间短、利于大面积作业的高分子益胶泥防水技术。
Because the high demand on the waterproof function of roof high polymer easy plaster waterproof technology is chosen by several plans comparison.
涠洲1 2-1B油田在钻井过程中井下情况比较复杂，钻井作业施工时间长，这对钻井隔水导管的稳定性提出了更高的要求。
During the process of Weizhou12-1B Oilfield we ll drilling, downhole instance is complexity, and drilling time is longer, so drilling riser pipe has to have a good depth stability.
涠洲1 2-1B油田在钻井过程中井下情况比较复杂，钻井作业施工时间长，这对钻井隔水导管的稳定性提出了更高的要求。
During the process of Weizhou12-1B Oilfield we ll drilling, downhole instance is complexity, and drilling time is longer, so drilling riser pipe has to have a good depth stability.
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