Oil exploration near-bit measurement-while-drilling device

The utility model discloses a near-bit measurement while drilling device for oil exploration, which comprises a device shell, a mounting seat, a measurer, a measuring probe and a damping mechanism, the mounting seat is fixed at the bottom of the device shell, the measurer is arranged in the device s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DAI LIMING, LYU JIANFEI, SANG TINGYI, MA JUN, WANG HAO, LI HANGYUN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model discloses a near-bit measurement while drilling device for oil exploration, which comprises a device shell, a mounting seat, a measurer, a measuring probe and a damping mechanism, the mounting seat is fixed at the bottom of the device shell, the measurer is arranged in the device shell above the mounting seat, the bottom end of the measurer extends into the mounting seat, and the measuring probe is arranged on the mounting seat. A probe hole is formed in the outer wall of the bottom of the device shell, a measuring probe is installed on the outer wall of the measurer at the position of the probe hole, damping mechanisms are arranged in the device shell on the two sides of the measurer, a threaded hole is formed in the center of the top end of the measurer, and round holes are formed in the top ends of the measurer on the two sides of the threaded hole. And a limiting rod is arranged in the circular hole, and a strip-shaped groove is formed in the top of the device shell above the measurer. T