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。

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A new double action oil well pump, which has been progressed field experiment, is discussed on its structure, principle and characteristics here.

对一种新型双作用抽油泵的结构、工作原理、技术特点进行了研制并进行了现场试验。

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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。

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The simple mechanical pump draws water from a shallow well or nearby stream or river for use in irrigation.

VOA: standard.2009.12.18

BP says a more complete solution is needed. The next step is to try to pump mud and other materials to the sea floor and block the well.

VOA: standard.2010.05.17

"Our anticipation is that it will be another seven to ten days to complete all of the preparations that we need to exercise this option and then at that point, we'll pump the kill mud and hopefully have this well killed, and well shut off, and the flow shut off."

VOA: standard.2010.05.17

Fred Yelinek was working on a well pump when the Blue Angels flew overhead "in a full, tight formation, " he said.

CNN: Navy identifies fallen aviator

The heart doesn't pump well, the body doesn't get enough oxygen, and it begins to retain fluid, which in turn makes pumping harder.

FORBES: Money & Investing

While a broken pump in this case was nothing more sinister than, well, a broken pump, the incident highlights the importance of IT security in public and private infrastructure.

FORBES: Outwitting the Grinches Trying to Steal Your Data