Drilling tool for oil exploitation
The utility model discloses a drilling tool for oil exploitation, and relates to the technical field of oil exploitation. Comprising a power assembly, a drill rod and a crushing head, multiple sets of second through holes are symmetrically formed in the outer side of the drill rod in a penetrating m...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a drilling tool for oil exploitation, and relates to the technical field of oil exploitation. Comprising a power assembly, a drill rod and a crushing head, multiple sets of second through holes are symmetrically formed in the outer side of the drill rod in a penetrating mode, a water conveying cylinder is movably arranged in the drill rod in an embedded mode, a water injection pipe is arranged on the front face of the water conveying cylinder in a penetrating and threaded mode, and multiple sets of first through holes are symmetrically formed in the outer side of the water conveying cylinder in a penetrating mode. According to the drilling tool, the water delivery cylinder and other components are installed, the water injection pipe is guided to move up and down through the guide groove, and the first through holes symmetrically formed in the water delivery cylinder in a penetrating mode and the second through holes symmetrically formed in the drilling rod in a penetrating mode are |
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