For screw pump well, the following accidents, such as rod breaking, wax locking and pump burning, always happened.

螺杆泵井运行过程中经常出现杆柱断脱、蜡卡、烧泵等现象。

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According to the energy loss of every part of screw pump well, established system efficiency analysis model for the well.

根据螺杆泵井各个部分运动特点及能量损失情况，建立了螺杆泵井系统效率分析模型。

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The submersible electric pump well system consists of such three subsystems as the oil well, submersible electric pump and pipeline.

潜油电泵井系统由油井、潜油电泵机组和管路三个子系统组成，三个子系统既有区别又相互联系。

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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

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.

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

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This is what this data is supposed to monitor, but the well flow evidence would appear to have been ignored, because at this point the BP rig supervisors should have gone to a well kill operation and started to pump heavy mud back into the well bore to restore the primary control mechanism.

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