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Composite percussion drilling tool

A technology for percussion drilling and tools, which is applied to drilling equipment, driving devices for drilling in wellbore, and earth-moving drilling, etc., can solve the problems of fast stick-slip vibration failure of drill bits, low ROP, and high drilling costs.

Pending Publication Date: 2020-10-27
韦伟
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the process of drilling deep and hard ground, traditional composite percussion drilling tools often need to replace the drill bit due to problems such as low ROP, rapid failure of the drill bit due to stick-slip vibration, and high drilling cost during the drilling of hard formations. Provide a new composite percussion drilling tool to solve the above technical problems

Method used

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  • Composite percussion drilling tool
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Embodiment Construction

[0018] The present invention will be further described below with reference to the drawings and embodiments.

[0019] Please refer to figure 1 , figure 2 with image 3 , A composite percussion drilling tool, comprising a connecting seat mechanism 1, an indicating mechanism 5, a turbine torsion mechanism 2, an axial impact mechanism 3, and a pressure applying mechanism 4. The indicating mechanism 5 is connected to the connecting seat mechanism 1; the turbine torsion The mechanism 2 is connected with the connecting seat mechanism 1; the axial impact mechanism 3 is connected with the turbine torsion mechanism 2; the pressure applying mechanism 4 is connected in the lower connecting head 37. The turbine torsion mechanism 2 includes a first housing 21 and a bearing The sleeve 22, the adjusting ring 23, the turbine 24, the turbine shaft 25, the bearing 26 and the longitudinal impact block 27. The longitudinal impact block 27 is installed at the lower end of the first housing 21, and t...

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Abstract

The invention relates to the field of drilling tools, in particular to a composite percussion drilling tool which comprises a connecting base mechanism, an indicating mechanism, a turbine reversing mechanism and an axial impact mechanism. The indicating mechanism is connected with the connecting base mechanism. The turbine reversing mechanism is connected with the connecting base mechanism. The axial impact mechanism is connected with the turbine reversing mechanism, and comprises an impact hammer, an impact base, a second shell, a lower ratchet wheel, an anti-falling ring, a TC static sleeveand a lower connector. The second shell is connected with the turbine reversing mechanism. The lower section of the second shell is fixedly connected with the lower connector. The lower connector is in interference fit with the TC static sleeve through a spline. The impact base is disposed in the second shell. The impact hammer is disposed in the impact base. The lower ratchet wheel is disposed onthe lower side of the impact base. The anti-falling ring is disposed between the lower ratchet wheel and the lower connector. The composite percussion drilling tool has the advantage of high rock breaking efficiency.

Description

Technical field [0001] The invention relates to the field of drilling tools, in particular to a composite percussion drilling tool. Background technique [0002] With the deepening of exploration and development of oil and gas resources, there are more and more deep wells and ultra-deep wells, and the possibility of drilling into the "three high formations" (high rock hardness, high rock drillability grade, and high rock abrasiveness) is increasing. This seriously affects the ROP and exploration and development costs of deep hard formations. [0003] In the process of drilling in deep and hard ground, traditional composite percussion drilling tools have problems such as low ROP, rapid failure of the drill bit due to stick-slip vibration, and high drilling cost during drilling in hard formations. Therefore, it is necessary to replace the drill bit frequently. Provide a new composite percussion drilling tool to solve the above technical problems. Summary of the invention [0004] Ai...

Claims

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Application Information

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IPC IPC(8): E21B4/02E21B4/16
CPCE21B4/02E21B4/16
Inventor 韦伟陈涛
Owner 韦伟
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