Core sectional rod and rotary drilling rig drilling rod including same
一种芯节杆、钻具的技术,应用在钻杆、钻管、钻井设备等方向,能够解决降低使用寿命、钻具连接头断裂、钻具掉入孔内等问题,达到提高使用寿命、降低截面尺寸、节约制造成本的效果
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
Embodiment Construction
[0036] In order to further illustrate the technical means and functions adopted by the present invention to achieve the intended invention purpose, the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0037] The drill rod of the rotary drilling rig provided by the present invention includes a core segment rod 20 and a multi-layer outer segment rod (not shown) located outside the core segment rod 20 .
[0038] Such as image 3 As shown, the core segment rod 20 includes a core segment rod body 21 , a lifter connector 22 located at the upper end of the core segment rod 20 and a drilling tool connector 23 located at the lower end of the core segment rod 20 . The outside of the core section rod body 21 is fixed with a plurality of outer keys 211 by welding, and each layer of outer section bars except the outermost layer of the outer section bar includes an inner key located on the inner side of the corres...
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.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap