Tool for fishing settled sand in drilling well

• Main Authors: MA CHENGLONG, YANG JINGYI, LI JUNZHI, DI JIANQIANG, ZHAO RUIYING
• Format: Patent
• Language: Chinese; English
• Published: 07.05.2024
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The tool comprises a drill rod, the top of the drill rod is provided with a storage groove and a drill bit, the drill bit is arranged at the bottom of the drill rod, the top of the drill bit is provided with a connector, and the top end of the connector penetrates through the storage groove, extends into the storage groove, makes contact with the inner wall of the storage groove and is connected with an induction mechanism. And the connecting induction mechanism is arranged in the storage groove, the connecting induction mechanism comprises a mounting head, the mounting head is arranged at the top of the storage groove, the bottom end of the mounting head penetrates through the storage groove and extends into the storage groove, and the surface of the mounting head is fixedly connected with the inner wall of the storage groove through an annular block. Through mutual cooperation of the mounting head, the annular block, the through groove, the connecting block, the pressure sensor, the extrusion block and the