| 摘要 |
There is provided a gas anchor for use in admitting fluids into a downhole sucker rod oil pump. The gas anchor includes an outer shell positioned around a hollow core, which defines an interior region and an exterior region of the gas anchor. The gas anchor further includes an upper region and a lower region. The hollow core and outer shell have a plurality of holes passing through the hollow core and outer shell, and the holes provide fluid communication from the exterior region to the interior region of the anchor. The hollow core and outer shell further define at least one channel which is in fluid communication from the upper region to the lower region. Additionally, the plurality of holes are formed so as to induce a cyclonic rotation on fluids passing into the interior region of the gas anchor.
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