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Ultra-deep drilling bit apparatus for high tailing dam

A tailings dam and drill bit technology, applied in drill bits, drilling equipment, earth-moving drilling, etc., can solve problems such as sticking, and achieve the effects of low cost, reduced wear, and prevention of wear and tear.

Inactive Publication Date: 2009-07-15
INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the conventional drill bit is used to drill to 60-70m, the phenomenon of stuck pipe will basically occur

Method used

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  • Ultra-deep drilling bit apparatus for high tailing dam
  • Ultra-deep drilling bit apparatus for high tailing dam
  • Ultra-deep drilling bit apparatus for high tailing dam

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Embodiment Construction

[0025] Below in conjunction with accompanying drawing, the present invention is described in further detail:

[0026] according to figure 1 , figure 2 , image 3 , Figure 4 It can be seen that the device includes cemented carbide 1, 3, 4, 10, surface-mounted alloys 5, 8, 11, 14, nozzles 2, 6, 9, 12, carcass 13, and threaded buckle 7. Its connections and functions are:

[0027] A high tailings dam ultra-deep drilling drill bit device, which includes the first, second, third, fourth cemented carbide 1, 3, 4, 10, the first, second, third, and fourth surface-mounted alloy 5 , 8, 11, 14, the first, the second, the third, the fourth nozzle 2, 6, 9, 12, threaded button 7, it is characterized in that: on the bottom lip surface of the carcass 13, the first, The second, third, and fourth groups of V-shaped grooves, the dimensions of the first, second, third, and fourth groups of V-shaped grooves should be the same as those of the first, second, third, and fourth groups of cemente...

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Abstract

The invention discloses a drilling head device used for ultra-deep drilling of high tailing dam, which is characterized in that four pairs of V-shaped grooves are symmetrically opened on a bottom lip surface of a tyre foundation, the size of the V-shaped groove is supposed to match the diameter of the bottom part of cemented carbide, four round grooves are arranged on the central axis of the V-shaped grooves at the lateral side of the tyre foundation, the size of the round grooves is supposed to match the diameter of surface embedded alloy, a water gap is arranged at the lateral bottom surface of the tyre foundation, thread tapping is carried out on the upper part of the drilling head, the cemented carbide is arranged on the bottom lip surface of the tyre foundation, the surface embedded alloy is arranged at the lateral side of the tyre foundation; the cemented carbide is welded and embedded in the V-shaped grooves on the bottom lip surface of the drilling head, an inner exit lip is arranged on the cemented carbide while the surface embedded alloy is welded and embedded in the round grooves at the lateral side of the tyre foundation. The device features not only simple structure but also convenient use, in addition, adopted for deep well drilling of tailing dam, the device greatly reduces resistance in the process of drilling and avoids jamming during drilling ahead and hoisting, so that the drilling fluid can be recycled in a rapid and smooth manner, thus accelerating drilling ahead speed and preventing abrasion of the tyre foundation in the process of drilling ahead.

Description

technical field [0001] The invention relates to the technical field of drilling construction, and more particularly relates to an ultra-deep drilling drill bit device for high tailings dams. The utility model is suitable for deep well drilling and sampling of tailings dams. By adding a surface-mounted alloy to the side of the steel matrix of the conventional alloy drill bit, the drill hole diameter can be enlarged, the drill can be prevented from sticking in deep well drilling, and the smooth circulation of the drilling fluid can be ensured, ultimately ensuring the normal drilling. In addition, the cemented carbide is equipped with an inner edge to prevent the wear of the carcass during drilling. Background technique [0002] Tailings are wastes left after crushing, grinding, sorting ore and extracting useful minerals in mine beneficiation production. According to statistics, there are nearly 10,000 tailings ponds in my country, and about 1,500 of them have a certain scale ...

Claims

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Application Information

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IPC IPC(8): E21B10/00E21B10/46E21B10/42
Inventor 张超杨春和王光进冒海军
Owner INST OF ROCK AND SOIL MECHANICS - CHINESE ACAD OF SCI
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