Variable-diameter clamping centralizer
CN309970014SActive Publication Date: 2026-05-08XIAN RES INST OF CHINA COAL TECH & ENG GRP CORP
View PDF 0 Cites 0 Cited by
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- XIAN RES INST OF CHINA COAL TECH & ENG GRP CORP
- Filing Date
- 2025-08-27
- Publication Date
- 2026-05-08
Smart Images
Figure 000007_ABST
Abstract
1. The name of the design product: variable diameter clamping centralizer. 2. The use of the design product: used for horizontal large diameter pipe rescue drilling machine execution unit, clamping casing drilling tools and centralizing casing drilling tools in horizontal drilling direction. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.
Need to check novelty before this filing date? Find Prior Art