Spiral diamond drill bit

A diamond and helical technology, applied in the direction of drill bits, drilling equipment, earthwork drilling and mining, etc., can solve the problems of large impact load of drilling probes, failure of drill bits, and easy chipping and failure of diamond drilling probes, so as to improve drilling efficiency and break The effect of fast rock speed and enhanced impact toughness

Inactive Publication Date: 2018-06-15
谷家菊
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  • Abstract
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Problems solved by technology

[0004] The object of the present invention is to provide a kind of helical diamond drilling probe, to solve the problem that the original diamond drilling probe in the above-mentioned background technology encounters gravel-containing formations or formations with soft and hard interlacing, and changes frequently. Due to the large impact load, the diamond drilling probe is prone to chipping and failure, which leads to the overall failure of the drill bit

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] see Figure 1-3 , the present invention provides a technical solution: a helical diamond drilling probe, including a threaded rod 1, a transition joint 2, a stabilizer 3, a supporting member 4, a spiral connector 5, a wing seat 6, a tooth crown 7, and an extension block 8. Auxiliary parts 9, grooves 10, convex parts 11 and support blocks 12, a transition joint 2 is installed on the upper end of the threaded rod 1, and a stabilizer 3 is provided on the u...

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Abstract

The invention discloses a spiral diamond drill bit. The drill bit includes a spiral rod, an extending block and a supporting block. A transition joint is installed at the upper end of the spiral rod,and stabilizing pieces are arranged at the upper end of the transition joint; a bracing piece is arranged at the upper ends of the stabilizing pieces, spiral connectors are fixed to the border of theupper end of the bracing piece, flank bases are fixed to the upper ends of the spiral connectors, and toothed addenda are fixed to the upper ends of the flank bases; the extending block is fixed to the portion among the flank bases, auxiliary pieces are fixed to the upper end of the extending block, a groove is formed in each stabilizing piece, a convex piece is fixed to one side of each groove, and the supporting block is arranged on the border of the interior of the bracing piece. According to the spiral diamond drill bit, toothed addenda are arranged on the surfaces of both the flank basesand the auxiliary pieces and can directly achieve an anti-wearing effect; through cooperation between the stabilizing pieces and the bracing piece, the impact toughness is enhanced; since the spiral connectors are fixed to the interior, the drill bit can have high impact toughness, great anti-wearing performance and high rock breaking speed, and the drilling efficiency is improved.

Description

technical field [0001] The invention relates to the technical field of diamond drilling probes, in particular to a helical diamond drilling probe. Background technique [0002] Diamond drill bits have been widely used in oil and gas drilling projects. Diamond bits are divided into three categories from cutting elements, PDC bits, TSP bits and natural diamond bits. PDC bits are mainly used for drilling in soft to medium hard formations. Good economic value, TSP drill bits are mainly used for drilling in medium-hard to extremely hard formations. At present, deep well operations in oil and gas drilling projects are gradually increasing, and the formations encountered are becoming more and more complex. [0003] When drilling in gravel-containing formations or when the formations are soft and hard, and the changes are frequent, the impact load on the drilling probe is relatively large, and the diamond drilling probe is prone to chipping and failure, resulting in the overall fai...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B10/46E21B10/42
CPCE21B10/46E21B10/42
Inventor 谷家菊赵潇
Owner 谷家菊
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