Bidirectional reverse circulation continuous deslagging drilling tool
A reverse circulation and drilling tool technology, applied in drill pipes, drill pipes, drill bits, etc., can solve problems such as increasing the resistance of drilling tools, increasing the risk of drilling accidents, and increasing drilling costs, reducing pressure loss and improving Slag discharge capacity and slag discharge stability, the effect of increasing suction negative pressure
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment Construction
[0020] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:
[0021] In order to clearly describe the content of the invention, this patent application uses the orientation words "upper" and "lower" to distinguish them. The "upper" and "lower" are determined according to the layout orientation of the above drawings. The name of its location changes accordingly, which cannot be regarded as a limitation on the scope of patent protection.
[0022] Such as figure 1 As shown, the present invention includes an outer tube 1, an injection ring 2, a positioning ring 3, a suction core tube 4, a sealing ring 5, a semicircle card 6, a double reverse drill bit body 7 and a spline connection sleeve 8, and the suction core tube 4 Placed inside the outer tube 1, the upper part of the inner wall of the outer tube 1 is provided with a necking step, the radial lugs on the upper part of the suction core tube 4 and the bottom of the positi...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
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