The approach can decrease drilling cost and reduce drilling period, realize great economic benifit in offshore drilling operation.
采用这种方法可节约海上钻井成本，缩短建井周期，获得显著的经济效益和社会效益。
The application of the auxiliary foundation is depended on the requirement of the natural ground features, drilling period, types and functions of drilling facility.
辅助基础的使用可根据井场条件、钻井周期和钻井设施的类型、功能要求来选择确定。
It fills the streams in Ecuador where Chevron, an oil concessionaire, is accused of dumping its wastewater during a long period of drilling.
填补了厄瓜多尔在雪佛龙，石油特许权，是反倾销的钻井过程中的废水长期指责流。
Thus, stable hole, smooth drilling and tripping operations and zero outage time have been obtained in the construction period.
使该井在施工期间，井壁稳定、起下钻井眼畅通，全井事故、复杂时效均为零。
In the process of drilling, lost circulation can often result in serious drilling accidents, delay the period of drilling and increase the cost of drilling.
钻进过程中，井下泥浆的漏失往往导致严重的钻井事故，从而延长钻井周期，增加钻井成本。
In order to reduce platform fabrication period and achieve early start-up, both pre-drilling and platform drilling methods are adopted in developing Pinghu oil & gas field.
为了缩短平台建设周期，使之早日投产，平湖油气田采用了预钻井和平台钻井相结合的方式。
Real time informations of Marine conditions, such as wave height, direction and period to beach protection and the actions on the sea, drilling platform or ship, are very important.
海洋状态的实时信息，象海浪波高、方向和周期对于海岸保护、离岸海上活动，象钻井平台或船只都具有重要的意义。
Oilfield practices show that this technology can improve drilling rate and shorten well construction period.
现场实践表明，这种导向技术可以较大幅度地提高钻井效益，缩短建井周期。
There are 3 great achievements in the late period of scientific drilling: the realization of downhole real time signal record, transmission, treat and analysis;
科学化钻井后期阶段成果主要有3大项：实现了井下信息实时检测、传输、处理、分析；
CIMC Raffles won the repair bidding of SHENGLI NO. 6 drilling platform with 4 months" working period with the main modification of replacing the leg."
我公司顺利中标胜利6号自升式钻井平台改装项目，改装期为4个月，主要工作内容为更换平台圆柱型桩腿。
By means of the survey at Anpeng and Zhaowa Blocks, the main modes and the causes of drilling tool failure in earlier period are found out.
通过对安棚、赵凹区块钻具早期先期失效现状调查，得出了钻具早期失效的主要模式及产生原因。
There were two main sources of water supply for a city in the Pre-Qin period, one was drilling Wells for water, the other was digging ditches to draw water.
先秦时期城市的给水主要来源有两个，一是凿井取水，二是穿渠引水。
H. Rotary used in conjunction with slurry pump can be used for the drilling of rock, slurry wall for loosen stratum of the Quaternary period and deep hole drilling in.
回转配用泥浆泵进行岩石钻进及第四纪松散地质层的泥浆护壁和深孔钻进。
As for the abnormally high pressure gas reservoirs the formation pressure will often decrease remarkably after long period of development, so the gas drilling technology can be adopted.
异常高压气藏经过长时间开采后，地层压力通常会有大幅度的下降，有可能满足气体钻井需要。
The field development plan calls for drilling of more than 160 production and water injection Wells during a 6-year period, along with 19 new platforms interconnected by sub sea pipelines.
该油田开发计划预计在6年内完成160多个油井和注水井，以及由海底管道连接的19个新的石油平台。
The field development plan calls for drilling of more than 160 production and water injection Wells during a 6-year period, along with 19 new platforms interconnected by sub sea pipelines.
该油田开发计划预计在6年内完成160多个油井和注水井，以及由海底管道连接的19个新的石油平台。
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