Driving nipple
The invention relates to a driving pup joint which comprises a driving pup joint framework and a pressure-bearing outer shell, and a control circuit unit is fixedly arranged in a closed cavity formed by the driving pup joint framework and the pressure-bearing outer shell. The upper end of the drivin...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to a driving pup joint which comprises a driving pup joint framework and a pressure-bearing outer shell, and a control circuit unit is fixedly arranged in a closed cavity formed by the driving pup joint framework and the pressure-bearing outer shell. The upper end of the driving pup joint framework is fixedly and hermetically connected with a first electric connection assembly and three first anti-leakage joints, and the lower end of the driving pup joint framework is fixedly and hermetically connected with a second electric connection assembly and three second anti-leakage joints; each first leakproof joint and each second leakproof joint are in a closed state in a normal state; when the driving short section is connected with the logging instrument, the first electric connection assembly and the second electric connection assembly are electrically connected with the logging instrument, each first anti-leakage connector and the corresponding second anti-leakage connector are connected w |
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