1.
CBI+well washing every 45 days in 22 wells (groupⅢ);
第三类22口井注菌液并热水洗井,洗井周期45天;
2.
clean-up period
(机器)清洗周期(两次清洗的间隔时间)
3.
Study on identification of the aged coal mine and coal mine lifecycle system simulation
衰老矿井识别及矿井生命周期仿真研究
4.
RESEARCH ON SAFETY DRILLING PERIOD OF HORIZONTAL WELL IN THE LOOSE SANDSTONE RESERVOIR
疏松砂岩储层水平井安全钻井周期确定研究
5.
Cleaning and protection from these environments will extend the life of the sensor.
清洗和保护将延长传感器的生命周期。
6.
This forecast model shows that there exists exponential relation between the drilling cost and the footage and the cycle respectively.
该预测模型表明钻井成本与钻井进尺和钻井周期呈指数关系。
7.
Causes of the Short-Period Water Level Fluctuation of Well 10-1 of Shanxi
晋10—1井水位短周期变化的原因
8.
Research on Economic Wash Period of Heavy-duty Power Gas Turbine
大型电站燃气轮机的水洗经济周期研究
9.
A new approach to determine the period of online backwash in ultrafiltration operation
一种确定超滤在线反冲洗周期的新方法
10.
Research on Cycle Water Injection Method of the First Infill Well Pattern in the Middle Block of Southern Third Region
南三区中块一次加密井网周期注水方法研究
11.
The Study of Borehole Sloughing Period in Shale Formation of Shahejie of North Dagang Oilfield
北大港油田沙河街泥页岩井壁坍塌周期研究
12.
RESEARCH ON BOREHOLE COLLAPSE CYCLE IN QINGXI BLOCK OF YUMEN OILFIELD
玉门油田青西区块易坍地层井眼坍塌周期研究
13.
Life cycle cost control and evaluation of underground screw oil pump
井下采油螺杆泵寿命周期成本的控制与评价
14.
Periodic Variations of Fair-Weather Atmospheric Electric Field Near Ground in Yangbajin of Tibet
西藏羊八井地区近地晴天大气电场周期变化
15.
It sets good records on drilling cycle, net drilling time and average ROP in the same kind of horizontal wells.
该井的完成 ,创同类型水平井钻井周期、纯钻时间、平均机械钻速的国内好成绩。
16.
Development of the JHX5280TJC well-flushing truck
JHX5280TJC型高压洗井车的研制
17.
Research on the Sedimentation of Aerosol Particles in Ventilating Ducts and the Air Duct Cleaning Interval
通风空调管道内气溶胶颗粒物的沉降及风管清洗周期的研究
18.
Determination of optimal cleaning cycle for heat exchanger subject to fouling based on the second law of thermodynamics
基于热力学第二定律的换热器最佳清洗周期的确定