Improved algorithm of wellbore heat loss calculation;
井筒热损失计算的改进算法
From the formula of working-efficiency of four-bar linkage and the formula of subsurface power loss,we analyzed the effects of the w.
同时导出了抽油机四杆机构平均传动效率的公式，由四杆机构传动效率及井下功率损失的计算公式，分析了抽油杆柱重力对抽油机四杆机构传动效率及井下功率损失的影响。
In actual work,the well loss in pumping test makes the simulation more difficult,and the accuracy of well loss value will directly affect the precision of prediction results of water level regime after the well in operation.
数值模拟法是进行地下水资源计算与评价的有效方法,但实际工作中由于抽水井井损的存在,为模拟工作增加了难度,而井损值的准确性直接影响到模型对抽水井运行后水位动态预测结果的精度。
The Losses and Compensations in Literary Translation;
文学翻译中的损失与补偿
On Guilin s losses in the Anti-Japanese War and Its Research Work;
桂林抗战损失程度及调查研究工作的基本估计
Study on the loss of gas storage capacity of underground gas storage in aquifer;
含水岩层型地下储气库储气量损失研究
A study of the ore loss and dilution in bottom-pillar-free stepped collapse mining;
无底柱分段崩落采矿法的损失、贫化问题探讨
Brief analysis of loss and dilution of ore in Helanshan Phosphate Mine;
贺兰山磷矿矿石损失贫化浅析
The impact of tubing coupling on wellbore heat loss and its correction
隔热油管接箍对井筒热损失的影响与修正
The Joshi formula considering the friction loss of well bore
考虑井筒摩阻损失后的Joshi公式
Heat-loss Experimental Test and Numerical Simulation in Wellbore Steam Flow Process
蒸汽沿井筒流动过程热损实验及数值模拟
Development and Application of Basket Barrel Overshot of Breakage Oil Pipe in Water-Oil Well
油水井井下破损油管打捞筒研制与应用
INFLUENCE OF STEAM INJECTION PARAMETERS ON WELL-BORE TEMPERATURE
热采井注汽工艺参数对井筒温度的影响
Research and Application of Steam Parameters in Wellbore of Thermal Recovery in YING27 Block;
营27断块稠油热采井筒参数研究与应用
Wellbore heat transfer model of recovering offshore heavy oil by air injection
注空气开采海上稠油井筒传热模型研究
A comprehensive wellbore steam flow model for superheat steam injection
注过热蒸气井筒物性参数计算综合数学模型
Stable characteristic ,with uniform paricle size distribution,can be used as heat stabilizer to impove well cement strength loss under high temperature and pressure.
性能稳定,粒径分布均匀,可作为热稳定剂,改善油井水泥高温高压下的强度损失。
heat loss due to combustibles in refuse
机械不完全燃烧热损失
heat loss due to unburned gas
化学不完全燃烧热损失
DRILLING AND COMPLETION DAMAGE MODEL OF FRACTURED AND LOSS CARBONATE GAS RESERVOIR
裂缝漏失性碳酸盐岩气藏钻井完井损害模式
Assessment on Mine Air Quality Using Pollution Loss Rate
污染损失率法评价矿山井下空气质量
STUDY ON THE PRESSURE LOSS LAWS IN MICRO HOLE CIRCULATORY SYSTEM
微小井眼循环系统压力损失规律研究
It has several advantages of simple wellbore structure, convenient operation and high heat efficiency.
该工艺具有井筒结构简单、工方便、热效率高等优点.
Oil Shaft Heating Power Source Control Based on Fuzzy PID;
基于模糊PID的原油井筒加热电源的温度控制方法
TSH style heat cylinder is crooked , avoid the material fall into and cause the heat tube burm down.
TSH型发热管弯型设计，避免因原料落入筒内而引起发热管捐损坏。
Code for design of inclined shaft and chambers of coal mine
煤矿矿井斜井井筒及硐室设计规范