Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Drill bit with adjustable drill bit body size

A technology with adjustable body size, applied in the direction of drill bits, drilling equipment, earthwork drilling and production, etc., can solve the problems of narrow applicability and single structure, and achieve the expansion of rotary drilling diameter, stable telescopic structure and stable impact force Effect

Inactive Publication Date: 2016-11-09
CHINA UNIV OF PETROLEUM (EAST CHINA)
View PDF6 Cites 4 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, the range of applicability is narrow and the structure is single. When drilling tasks of different sizes, it is necessary to replace drill bits with different diameters.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Drill bit with adjustable drill bit body size
  • Drill bit with adjustable drill bit body size
  • Drill bit with adjustable drill bit body size

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] On the contrary, the invention covers any alternatives, modifications, equivalent methods and schemes within the spirit and scope of the invention as defined by the claims. Further, in order to make the public have a better understanding of the present invention, some specific details are described in detail in the detailed description of the present invention below. The present invention can be fully understood by those skilled in the art without the description of these detailed parts.

[0028] Such as figure 1 and figure 2 Shown is the drill bit with adjustable drill body size provide...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to the technical field of drilling, and in particular relates to a drill bit with an adjustable drill bit body size. The drill bit comprises a drill bit handle body extending from the periphery of the longitudinal axis of the drill bit, one end of the drill bit handle body is a drill bit body, and the other end is an impact surface; three movable drill bit blades and a fixed round table are arranged on the drill bit body, the three drill bit blades are arranged around the fixed round table; the drill bit blades are connected with the fixed round table through a telescopic component; the telescopic component comprises rotary cavities arranged in the drill bit blades and a rotary column arranged in the fixed round table, one end of the rotary column is arranged in the rotary cavity, and the other end is fixed in the fixed round table through a round table bearing and is connected with a hydraulic motor. The drill bit provided by the invention has the beneficial effects that the expansion and retract of the drill bit blades can be performed on the drill bit body, so as to enlarge the rotating drilling diameter of the drill bit, and the telescopic structure provided by the invention is stable, so stable impact force can be ensured.

Description

technical field [0001] The invention relates to the technical field of drilling, in particular to a drill bit whose body size can be adjusted. Background technique [0002] Drill bits are essential tools for oil and gas and geological exploration and drilling industries. With the continuous development of material technology, PDC drill bits are widely used in oil and gas well drilling. The design of conventional PDC drill bits is the method of arranging cutting teeth on fixed knives. The drill bit has a simple design and structure, is convenient to manufacture, and has low cost. It has the advantages of fast mechanical drilling speed and long service life in soft to medium hard formations. [0003] However, the range of applicability is narrow and the structure is single. When drilling tasks of different sizes, it is necessary to replace drill bits with different diameters. Contents of the invention [0004] In order to effectively solve the above problems, the present in...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): E21B10/62
CPCE21B10/62
Inventor 杜玉昆王瑞和陈晓诚白殿刚陈奕鑫赵博
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com