Modular system for a back reamer and method
US7152702B1 · kind B1 · utility
74Cited by
4References
32Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2005 |
| Grant date | Dec 26, 2006 |
| Priority date | — |
| Expiry date | Nov 4, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T408/86
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A modular back reamer to be used in subterranean drilling includes a drive stem, a reamer body having a plurality of receptacles, wherein the receptacles are configured to retain a cutting leg assembly, and a plurality of shims engaged within the receptacles to secure the cutting leg assemblies at a specified height.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.