Novel stereo sand control screen
The invention relates to a novel stereo sand control screen which comprises a central base tube, filters, a supporting tray and an overflowing protection sleeve, wherein a plurality of overflowing holes are formed in the wall of the central base tube and filled with the filters, the supporting tray...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The invention relates to a novel stereo sand control screen which comprises a central base tube, filters, a supporting tray and an overflowing protection sleeve, wherein a plurality of overflowing holes are formed in the wall of the central base tube and filled with the filters, the supporting tray is composed of a first tray body and a second tray body, and the first tray body and the second tray body are fixedly arranged at the two ends of the central base tube respectively; the overflowing protection sleeve is arranged outside the central base tube in a coaxial and sleeved mode, and the two ends of the overflowing protection sleeve are fixed on the central base tube through the first tray body and the second tray body respectively; a plurality of arched structures are arranged on the overflowing protection sleeve, and two screening grooves are formed by each arched structure and the overflowing protection sleeve. The novel stereo sand control screen is good in erosion resistance and filtering effect due to |
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