深井泵。
The sand control of oil well pump is very important for drilling-production system.
抽油泵防砂是钻采系统防砂的一个重要环节。
To add a new unit under the pump, it makes the oil tube telescopes elastically as the oil well pump moves up and down.
在泵下增设一个新装置，使抽油泵上下运动时，油管产生弹性伸缩。
The shortcoming of top valve housing for standard type oil well pump plunger is wear and rupture of oil flow pore wall.
标准型抽油泵柱塞上阀罩的工作缺陷是出油孔壁磨损断裂。
Treated with laser the changes in microstructure and hardness of cylinder sleeve of oil-well pump for 45 steel were studied.
本文研究了45钢抽油泵缸套激光热处理后的显微组织和硬度的变化。
In accordance with this circumstance, a new type of oil well pump has been designed and developed - auto - compensation soft plunger pump.
针对这种情况，设计研制了一种新型井下抽油泵——自补偿式软柱塞泵。
The utility model belongs to an electromechanical product, in particular to a rodless driving mechanism for a reciprocating oil well pump.
本实用新型属于机电产品，特别涉及一种往复式抽油泵无杆驱动机构。
A combination method of the fault tree analysis and fuzzy comprehensive estimation was established to evaluate the reliability of oil well pump.
文中将故障树分析和模糊综合评判分析相结合，建立了组合分析法，并对抽油泵进行了可靠性分析。
This electromechanical product imagination combined cylinder linear motor with well pump, which makes the whole system easily controlled and simplified.
将圆筒型直线电机与井下泵组合成机电一体化产品的设想，使整个系统的结构变得简单而易于控制。
It is indicated that the precise flat Plate, hollow column and clock gauge should be selected properly to satisfy actual requirements for measuring accuracy of oil well pump...
指出在实际生产中应根据需要选择合适精度的精密平板、空心立柱和千分表来装配，以满足抽油泵衬套测量精度要求。
It is indicated that the precise flat Plate, hollow column and clock gauge should be selected properly to satisfy actual requirements for measuring accuracy of oil well pump liners.
指出在实际生产中应根据需要选择合适精度的精密平板、空心立柱和千分表来装配，以满足抽油泵衬套测量精度要求。
The results show that the improvement of the slant improved oil-well pump 's internal structure and the optimization of the materials are the main factors to improve pump efficiency.
研究结果表明改进型斜井泵的内部结构的改进和材质的优选是泵效提高的主要因素。
The movement of valve of the oil well pump has not been researched perfectly in theory, and the mathematical models used to describing the movement of the oil pump valve are too simple.
目前抽油泵泵阀运动规律的理论研究还很不完善，所采用的数学模型也过于简单。
There are a series of problems in batch production of plating chromium for lining inner bores of input tube in oil well pump such as parameter choice, clamp design, bath care and adjust.
油井抽油泵输入泵衬套内孔尺寸镀铬批量生产中存在着工艺参数准确选择、夹具合理设计、槽液维护和调整等一系列问题。
The utility model can efficiently prevent air locking phenomena and the eccentric wear of the plunger, increase the production quantity of raw oil and extend the service life of the oil well pump.
本实用新型可有效地防止“气锁”和柱塞偏磨，提高原油产量和抽油泵的使用寿命。
The gas will effect the pump efficiency of deep well-pump, if the amount of the gas of oil well is large, even gas locking occurs.
如果油井产出气量较大，则这些气体对深井泵的泵效将产生很大影响，严重的井甚至发生气锁。
The gas will effect the pump efficiency of deep well-pump, if the amount of the gas of oil well is large, even gas locking occurs.
如果油井产出气量较大，则这些气体对深井泵的泵效将产生很大影响，严重的井甚至发生气锁。
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