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Resonant pulse vibrating drilling device

A technology of pulse vibration and drilling, which is applied in the direction of vibration drilling, vibration generating devices, and driving devices for drilling in boreholes, etc. It can solve the problems of limited drilling speed increase effect, short service life, wear and erosion in abrasive formations, and achieve Solve the effect of low rock breaking efficiency and improve rock breaking efficiency

Active Publication Date: 2011-09-21
BC P INC CHINA NAT PETROLEUM CORP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the wear and erosion of the internal components of the rotary percussion drilling tool is serious, resulting in a short service life; the pulse jet drilling short connection has a very limited effect on increasing the drilling speed in deep hard and abrasive formations

Method used

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  • Resonant pulse vibrating drilling device
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  • Resonant pulse vibrating drilling device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0042] See attached figure 1, The resonant pulse vibration drilling device provided by the present invention is cylindrical in shape and includes an outer shell 1 and a turbine power system placed in the outer shell 1 , a pulse modulation system, a resonant pulse and reciprocating vibration system, and a lower joint 14 . The turbine power system is used to control the action of the pulse modulation system. The pulse modulation system is used to make the continuous flow of drilling fluid into a pulse jet with a certain period. The resonant pulse and reciprocating vibration system is used to amplify the pulse amplitude of the pulse jet so that Perform periodic up and down reciprocating vibrations. See attached figure 2 , there are stepped through holes with decreasing diameter or equivalent value in the outer shell 1, which are divided into through holes of stage I, through holes of stage II, through holes of stage III and through holes of stage IV, and the through holes of st...

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PUM

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Abstract

The invention discloses a resonant pulse vibrating drilling device belonging to the technical field of drilling devices. The resonant pulse vibrating drilling device comprises a shell body, a system and a lower joint, wherein the system is arranged in the shell body; the upper part of the resonant pulse vibrating drilling device is connected with a well drilling pipe column, and the lower part ofthe resonant pulse vibrating drilling device is connected with a drill bit through the lower joint; the shell body is internally provided with a through hole for installing the system arranged in theshell body; the system arranged in the shell body comprises a power system, a pulse modulation system and a resonant pulse and reciprocating vibration system; and the lower joint is connected to the resonant pulse and reciprocating vibration system. The resonant pulse vibrating drilling device effectively solves the problems of low rock breaking efficiency and high well drilling cost of the traditional drill bit and is especially suitable for well drilling acceleration of a stratum with high deep hardness and grindability.

Description

technical field [0001] The invention relates to the technical field of drilling devices, in particular to a resonance pulse vibration drilling device capable of increasing drilling speed. Background technique [0002] Drilling is the process of creating passages into the ground through a series of tools and techniques. At present, well drilling is mainly used for the exploitation of resources such as oil, natural gas, geothermal and groundwater. In addition, well drilling is also used for nuclear waste disposal, CO 2 Some cutting-edge scientific fields such as deep storage. With the increase of drilling depth and difficulty, new requirements are put forward for drilling technology itself. Especially for deep wells and ultra-deep wells, the main difficulties are the low drilling speed of the drilling equipment used, long drilling cycle and high drilling cost. Therefore, in the drilling process, improving the rock-breaking efficiency of the drill bit to increase the drillin...

Claims

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Application Information

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IPC IPC(8): E21B7/24E21B7/18E21B28/00E21B4/02
Inventor 崔龙连张富成汪海阁卓鲁斌查永进陈志学刘力
Owner BC P INC CHINA NAT PETROLEUM CORP
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