Pipe rod outer wall cleaning device for well repairing oil tube lifting operation
The invention relates to the technical field of crude oil extraction, in particular to a pipe rod outer wall cleaning device for well repairing oil tube lifting operation. The pipe rod outer wall cleaning device for the well repairing oil tube lifting operation comprises a shell, a rubber core, wate...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to the technical field of crude oil extraction, in particular to a pipe rod outer wall cleaning device for well repairing oil tube lifting operation. The pipe rod outer wall cleaning device for the well repairing oil tube lifting operation comprises a shell, a rubber core, water pipes and a pressing cover; the shell is provided with an inner cavity; channels are arranged on the side wall of the shell; the channels communicate with the inner cavity; the rubber core is arranged in the inner cavity; a cavity is formed in the middle of the rubber core and is used for collecting crude oil on the collecting pipe rod; the cavity is provided with a first through hole extending upwards and a second through hole extending downwards; the first through hole and the second throughhole are coaxially arranged; the rubber core comprises at least two rubber blocks with the inner sides being in an arc shape; the rubber blocks get in or out of the inner cavity through the channels;connecting holes are form |
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