美 英 un.深孔凿岩;深钻;深播 网络深钻孔 英汉 网络释义 un. 1. 深孔凿岩 2. 深钻 3. 深播
必应词典为您提供deepdrilling的释义,un. 深孔凿岩;深钻;深播; 网络释义: 深井钻井;深孔钻探;深孔钻孔;
Deep drilling tools with double pipe technology, similar to the classic ejector drilling tools, are presented, but also suitable for significantly smaller drilling diameters. With round and torsionally stiffer drill tubes, drill depth loss-free vibration damping and standardized elements for automatic ...
1: Core drilling NQ/HQ/PQ 2: Air drilling + DTH hammer 3: Mud drilling with mud pump Drilling capacity Drilling depth for water well 300m(152mm~203mm) Wireline coring NQ size 450~500m Borehole (Drill bit) dia. Ø75~Ø350mm Drilling angle 90° Drive head...
* The drilling rig uses dual oil pumps to supply oil, and the hydraulic system uses split flow and merge technology to increase and decrease the powerhead more quickly; * It Equipped with a foldable auxiliary tower, which can lift two 3 m / ...
300m deep drilling rigs portable water well drilling rig core drilling machine Product Description Hydraulic core drilling rig is mainly used for geological general investigation and exploration,kinds of hole in concrete structure,road and tall building foundation ...
Deep Drill Good Steels Quality 700 Meter Water Well Drilling Equipment, Find Details and Price about Rock Drilling Equipment Water Well Drilling Machine from Deep Drill Good Steels Quality 700 Meter Water Well Drilling Equipment - Zhengzhou Hanfa Prospec
Fully hydraulic control is convenient and flexible: can adjust the drilling speed,torque, and promote axial pressure, anti-axial pressure, propel and improve thespeed to meet the different conditions use of drilling tools and different constructionneeds. ...
1. It provided reference for the parameter selection of wall-retaining slurry in deep shaft drilling under similar conditions. 针对巨野煤田龙固矿主井深厚冲积层等地质条件,分析了钻井泥浆护壁性能参数选择的技术经济合理性,总结了施工经验,为类似地质条件下的深钻井泥浆护壁提供了参考。
ANKARA, Oct. 30 (Xinhua) -- Turkey's first drilling vessel "Fatih" on Tuesday started its first deep drilling on the southern Mediterranean coast as part of the efforts to meet its domestic energy needs. "Our aim is to open two drilling wells on average a year with this vessel," Turkis...