Sanjack

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So far Sanjack has created 33 entries.

A new way to make way for the donkey head of the pumping unit-upturn

A new way to make way for the donkey head of the pumping unit-upturn
For beam pumping units currently in use, there are three ways for the donkey head to give way: side swing, pick-and-hook, and automatic give way, which are all has some disadvantages.

Side-swing type: The side-swing donkey head requires high machining accuracy of […]

How to realize automatic balance adjustment of beam pumping unit?

How to realize automatic balance adjustment of beam pumping unit?
The beam pumping unit is widely used in crude oil recovery and is an important part of artificial lift. Influenced by the structure of the beam pumping unit, the following two problems are easy to appear in its operation process.

The running parameters (such as […]

Oil derrick vs pump jack

Oil derrick vs pump jack

The oil derrick pump is known colloquially as a sucker rod pump, named for the plunger-like mechanics it uses to pump oil from underground wells up to the surface. It uses a series of gears and cranks to pump a polished rod up and down an oil well in a […]