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Stress timing device for drill bit

A timing device and drill bit technology, applied in drilling equipment, earthwork drilling, drilling measurement, etc., can solve problems such as drill bit breakage, reduced drilling efficiency, and drill bit damage.

Active Publication Date: 2015-10-14
UNIV OF SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the load exceeds the bearing capacity of the drill bit, it may cause damage to the drill bit, resulting in damage to the drill bit, greatly shortening the life of the drill bit and reducing drilling efficiency

Method used

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  • Stress timing device for drill bit
  • Stress timing device for drill bit

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Embodiment Construction

[0030] 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.

[0031] The first kind of drill bit force timing device provided in the embodiment of the present application is as follows: figure 1 as shown, figure 1 It is a schematic diagram of the first drill bit force timing device provided in the embodiment of this application. The drill bit force timing device includes: a timing storage unit 1 and a display unit 2, wherein the timing storage unit 1 includes:

[0032] The pressure sensing and conversion component 101 ...

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Abstract

The application discloses a stress timing device for a drill bit. The stress timing device comprises a timing storage unit and a display unit. The timing storage unit comprises a pressure induction and transformation part connected with the drill bit, a voltage magnification part connected with the pressure induction and transformation part, a voltage compression part connected with the voltage magnification part, a first control part connected with the voltage compression part and a storage part connected with the first control part. The display unit comprises a second control part and a display part. The stress timing device for the drill bit provided by the application is utilized for monitoring the operating time of the drill bit that exceeds the rated load such that the capability of the drill bit for bearing the load can be balanced.

Description

technical field [0001] The invention relates to the technical field of oil and gas drilling, in particular to a drill bit force timing device. Background technique [0002] In oil and gas drilling engineering, due to the complex and uncertain geological conditions, the drill bit often encounters various loads during drilling operations. If the load exceeds the bearing capacity of the drill bit, it may cause damage to the drill bit, resulting in damage to the drill bit, greatly shortening the life of the drill bit and reducing drilling efficiency. [0003] When the drill bit works beyond the rated load for a certain period of time, it may cause damage to the drill bit, so an important indicator to measure the load bearing capacity of the drill bit is: the working time of the drill bit beyond the rated load. Then, how to monitor the working time of the drill bit beyond the rated load has become an urgent problem to be solved. Contents of the invention [0004] In order to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B45/00
Inventor 李静何旺
Owner UNIV OF SCI & TECH OF CHINA
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