Drilling tool with feed control
US8327953B2 · kind B2 · utility
0Cited by
11References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2008 |
| Grant date | Dec 11, 2012 |
| Priority date | — |
| Expiry date | May 6, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B44/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drilling tool (1) for drilling downhole, comprising a drilling head (2) in connection with a first portion (18) of the drilling tool, a driving unit (9) for driving the drilling head and the first portion forward in a longitudinal movement while drilling, and a feed control (19) for controlling the longitudinal movement of the drilling head.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.