1.
Research on the Numerical Simulation of Gas-well Flow Field with Underground Nozzle;
带井下节流的天然气气井流场的数值模拟
2.
The flowrate through the wellhead choke is relate to the wellhead pressure, the flow velocity of oil and gas, construction of choke.
井口节流器的流量与油井压力、气流速度和节流器的结构有关。
3.
The research indicates that the determination of groundwater flow rate is the key to energy saving of GSHPPRSW.
研究表明，地下水流量的选取是同井回灌地下水地源热泵节能的关键。
4.
Discussion on Criteria for Selection of CBM Well Site in Xiashijie Mine Field
基于下石节井田煤层气井位选择原则探讨
5.
A study on the advection-dispersion problems in the presence of wells
在井流影响下的对流－弥散问题研究
6.
Hydraulic Model for Downhole Drilling Condition Judgment with Water-saving Drilling System
节水钻探系统井下工况判断水力模型
7.
Design Research of Multi-section Crawler-type Underground Coal Mine Search Robot
多节履带式煤矿井下搜索机器人设计
8.
Applications of down-hole bi-directional flow valve in the absorption oil wells
井下双向流动阀在易漏失油井中的应用
9.
Overloading Fall Accident Prevention of DC Drive Mine Hoist
矿井直流提升机重载下放事故的预防
10.
Application and Maintenance of Frequency Speed-regulating Systems in Coal Mines
煤矿井下交流变频绞车的应用与维护
11.
Optimization of the large cone angle parameters of downhole oil/water separation hydrocyclone
井下油水分离旋流器大锥角参数优化
12.
The Research of the Phase Flowrate Measurement with Ultrasonic Method in Multi-phase Flow Downhole;
多相流分相流量井下超声检测方法研究
13.
Study on the Characteristics of Oil Well Inflow Performance under Complicated Flow Condition
复杂流动条件下油井流入动态特性研究
14.
Research on the optical measurement of the gas phase flow rate in borehole multiphase flow
光学法测量井下多相流中气相流量的方法研究
15.
Flow field simulation analysis of pressurized unit on the downhole helicon-axial multiphase pump
井下螺旋轴流式混抽泵增压单元流场仿真分析
16.
Study on cooperative working in cognitive radio communication nodes of coal mine applying game theory
煤矿井下基于博弈论CR节点协作通信研究
17.
Influence of low temperature and high pressure on rheological properties of oil-based drilling fluids in deep offshore conditions
深水钻井环境下低温高压对油基钻井液流变性的影响
18.
subsurface controlled subsurface safety valve
井下控制井下安全阀