Unlocking energy storage spring triggering device for oil-gas well perforation initiation

A technology of firing device and energy storage spring, which is applied in wellbore/well components, mining fluid, earthwork drilling and mining, etc., can solve the problems of unreliable detonation of the detonator, achieve wide application range, reliable use, and increase the success rate Effect

Active Publication Date: 2015-10-21
WUHUA ENERGY TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to avoid the deficiencies of the prior art, the present invention proposes an unlocking energy storage spring firing device for oil and gas well perforation detonation to solve the problem that the striker device under low pressure cannot reliably detonate the detonator

Method used

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  • Unlocking energy storage spring triggering device for oil-gas well perforation initiation
  • Unlocking energy storage spring triggering device for oil-gas well perforation initiation
  • Unlocking energy storage spring triggering device for oil-gas well perforation initiation

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Embodiment Construction

[0022] Now in conjunction with embodiment, accompanying drawing, the present invention will be further described:

[0023] like figure 1 As shown, the unlocking stored energy spring firing device for oil and gas well perforation detonation in this embodiment includes a ball retaining piston 1 , a spring 2 , a steel ball 3 , a firing pin 4 , a support seat 5 and a detonator 6 . The connection relationship of the firing device is as follows: the spring 2 is assembled in the ball retaining piston 1, one end of the spring 2 is in contact with the bottom of the inner hole of the ball retaining piston, and the other end is in contact with the end surface of the firing pin 4, and the firing pin 4 is assembled on the support seat 5 The inner hole, and the steel ball 3 is placed in the spherical hole of the support seat 5 to contact the arc surface of the firing pin 4 at the center hole of the support seat 5. The ball stop piston 1 restricts the radial movement of the steel ball 3 to r...

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Abstract

The invention relates to an unlocking energy storage spring triggering device for oil-gas well perforation initiation. The unlocking energy storage spring triggering device for oil-gas well perforation initiation is used for triggering an initiator in an initiation device used for triggering oil-gas well perforation, and solves the problems that a spring arranged in the existing triggering device is pre-compressed in the device for a long time, so that the elasticity of the spring fails; and after the potential energy is converted into kinetic energy, the initial energy is reduced, so that the initiator cannot be triggered. Meanwhile, the device is unlocked when the force exerting on the triggering device is greater than the pre-pressure of the spring; the initiation device can be reliably triggered; the problem that the initiation pressure cannot be preset for the initiation device for an oil-gas well is solved; the one-step well-entering perforation success ratio is improved; the construction cost is reduced; and the use is more reliable and safer.

Description

technical field [0001] The invention belongs to a device for perforating and detonating oil and gas wells, in particular to an unlocking energy storage spring firing device for perforating and detonating oil and gas wells. Background technique [0002] Perforation completion is a means of communicating oil and gas channels. This completion method has the advantages of safety, reliability, and long production life of oil wells. It is the most widely used completion method at home and abroad. With the production stimulation of oil and gas wells and the development of old well stimulation technology, the perforation construction technology is diversified, especially for the production stimulation of old wells, the well conditions are becoming more and more complex. The well fluid depth is very shallow or even almost no well fluid. Rod throwing can be used for detonation in vertical wells, but pressure detonation can only be used in highly deviated wells and horizontal wells. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B43/1185
Inventor 肖勇王峰章松桥张虎王雪艳陈特张博赵云涛门媛媛李嵚莹
Owner WUHUA ENERGY TECH CO LTD
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