| 摘要 |
Apparatus and method for producing an area or region of substantially reduced pressure in a well casing to suction purge perforations in the casing at the producing zone for clearing the perforations, removing detritus and the like. The apparatus is adapted for use with hydraulic set packers without causing premature setting thereof, and is designed to permit injection of treating fluids or the like into the well formation, if desired, prior to establishing production from the well. All operations are carried out with the flow conductor in place and without removing it from the well casing.
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