Wired drill pipe with improved configuration
US9200486B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2010 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Feb 4, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/028
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A drill string element including a main pipe with connection ends and a protective mechanism for at least one wire. The protective mechanism extends within a central bore of the main pipe. The main pipe presents a first hole in one of the connection ends and a second hole in the other connection end, both holes communicating with the central bore. The protective mechanism includes a guide tube arranged for housing the wire, both ends of which being respectively disposed within the first hole and the second hole. A retaining mechanism is arranged in at least one of the first hole and the second hole for the respective end of the guide tube. The retaining mechanism is configured to prevent the respective end of the guide tube from moving relative to the one of the first hole and the second hole according to at least one longitudinal direction of the hole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.