Abstract: To further improve the drilling efficiency and reduce the drilling cost, the MPD equipment with single-channel has been developed.
摘要：为进一步提高钻井效率和降低钻井成本，研制了单通道控压钻井装备。
Correctly recognizing the differential pressure sticking is of great significance to reduce complex accidents of borehole, increase drilling speed and reduce the drilling cost.
正确认识压差卡钻，对于减少井下复杂事故，提高钻井速度，降低钻井成本具有十分重要的意义。
Using this theory, the cost controlling method of drilling and completion projects can be regulated so as to reduce the project cost and make work and management more efficiency.
这种思路的提出，可以规范钻完井项目成本控制方法，为项目降低成本、提高工作效率和管理水平具有一定的指导性。
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。
Rock drill-ability is the basic parameter to optimize bits, make drilling plan and reduce drilling cost.
岩石可钻性是优选钻头，制定生产定额以及降低钻井成本的基础。
The modified drilling cap was used in the drilling and completion on 2 platforms in the cluster of LD oil fields, as a result that the development cost has been reduce effectively.
改造后的钻井帽先后用于旅大油田群2座平台的钻、完井作业，有效地降低了开发成本。
The integral transporting system for taking away drilling rig is developed to improve the portability of the rig, reduce the desired trucks, save installing time and reduce the transporting cost.
为了提高钻机的移运性能，减少钻机搬迁所需的运输车次，节约钻机搬迁安装时间，降低钻机搬迁成本，研制开发了一种用于钻机搬迁的钻机整体移运系统。
The fixture used for oil hole drilling has both ID and od location by improving the structure of the fixture, so as to expand application scope and reduce production cost.
通过对轴承钻油孔夹具结构的改进，使钻油孔夹具内径与外径定位兼备，扩大使用范围，降低制造成本。
It will greatly reduce the cost on rectifying the deviation of the drilling and ensure the drilling quality.
在煤层中使用该纠偏技术，在保证钻孔质量的同时，可极大地降低近水平孔钻进纠偏成本。
In order to reduce drilling cost, the casing drilling technique rotated by rotary table and associated tools were developed considering the actual condition of domestic onshore drilling tools.
根据国内陆上油田钻井装备的实际状况，本着降低钻井成本的目的，研究出了采用转盘驱动的适用于陆上油田浅开发井的简易套管钻井技术及其配套工具。
In order to reduce drilling cost and raise hole quality, it is necessary to investigate the formation, harmfulness and preventive treatment of the spiral borehole.
为了减少建井费用、提高井眼质量，研究螺旋井眼的产生、危害及其防治提上了日程。
The slim hole drilling techniques have been applied to Sulige gas field, Changqing, in order to raise integral development effectiveness to reduce development cost.
为提高整体开发效率，降低开发成本，长庆苏里格气田应用了小井眼钻井技术。
The drilling cost formula is deduced from classification drilling cost components; hence, an approach to reduce drilling cost is presented.
通过对钻探成本构成的分类，推导出钻探成本公式。
The drilling cost formula is deduced from classification drilling cost components; hence, an approach to reduce drilling cost is presented.
通过对钻探成本构成的分类，推导出钻探成本公式。
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