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Intelligent drill bit

A kind of drill bit and intelligent technology, which is applied in the field of oil drilling, can solve the problem of less intelligent drill bits, achieve the effect of improving rock breaking efficiency, increasing mechanical penetration rate, and ensuring service life

Active Publication Date: 2020-06-12
CHINA UNIV OF PETROLEUM (BEIJING)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is still very little research on smart drills at present, and it is basically still in a blank stage in China.

Method used

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Embodiment Construction

[0039]The details of the present invention can be understood more clearly with reference to the accompanying drawings and the description of specific embodiments of the present invention. However, the specific embodiments of the present invention described here are only for the purpose of explaining the present invention, and should not be construed as limiting the present invention in any way. Under the teaching of the present invention, the skilled person can conceive any possible modification based on the present invention, and these should be regarded as belonging to the scope of the present invention. It should be noted that when an element is referred to as being “disposed on” another element, it may be directly on the other element or there may also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "mounted", "connect...

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Abstract

The invention discloses an intelligent drill bit. The intelligent drill bit comprises a drill bit body, a joint short section, a sleeve short section and a measurement and control system, a cutter wing and a nozzle are arranged on the drill bit body, a plurality of cutting teeth are arranged on the cutter wing, the joint short section is connected to the upper end of the drill bit body, a drillingfluid channel is formed among the joint short section, the drill bit body and the nozzle, the sleeve short section is arranged on the outer side of the joint short section in a sleeving mode, and thesleeve short section and the joint short section are in sealed connection to form a sealed chamber; and the measurement and control system is arranged in the sealed chamber and comprises a near drillbit parameter measurement module, a data storage and processing module, a drill bit structure adjustment and control module and a power module, a hydraulic channel for communicating with the nozzle and at least one of the cutting teeth is arranged in the drill bit body, and the drill bit structure adjustment and control module can adjust the hydraulic pressure in the hydraulic channel based on the real-time parameters acquired by the near drill bit parameter measurement module so as to change at least one of the nozzle diameter and cutting angle of the drill bit body. The intelligent drill bit can improve the working efficiency of the drill bit and prolongs the service life of the drill bit.

Description

technical field [0001] The invention relates to the technical field of oil drilling, in particular to an intelligent drill bit. Background technique [0002] The statements in this section only provide background information related to the present disclosure and may not constitute prior art. [0003] Drilling engineering is an important part of oil and gas exploration and development. The drill bit is an essential drilling tool in the geological drilling industry. The reasonable selection of the drill bit has a huge impact on the oil drilling quality, drilling speed and drilling cost. On the whole, in the drilling cost, the cost related to the drill bit accounts for a considerable part of the total cost. Therefore, prolonging the life of the drill bit and improving the working efficiency of the drill bit are one of the top tasks in drilling engineering. [0004] Especially for: the deep formation rock has high hardness, strong abrasiveness, strong anisotropy, and large di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B10/54E21B10/62E21B10/61E21B44/00
CPCE21B10/54E21B10/61E21B10/62E21B44/00
Inventor 赫文豪陈振良史杏杏史怀忠宋先知李晓静谷子昂
Owner CHINA UNIV OF PETROLEUM (BEIJING)
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