Downhole tool
US7193526B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2005 |
| Grant date | Mar 20, 2007 |
| Priority date | — |
| Expiry date | Oct 3, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V11/002
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A double shouldered downhole tool connection comprises box and pin connections having mating threads intermediate mating primary and secondary shoulders. The connection further comprises a secondary shoulder component retained in the box connection intermediate a floating component and the primary shoulders. The secondary shoulder component and the pin connection cooperate to transfer a portion of makeup load to the box connection. The downhole tool may be selected from the group consisting of drill pipe, drill collars, production pipe, and reamers. The floating component may be selected from the group consisting of electronics modules, generators, gyroscopes, power sources, and stators. The secondary shoulder component may comprises an interface to the box connection selected from the group consisting of radial grooves, axial grooves, tapered grooves, radial protrusions, axial protrusions, tapered protrusions, shoulders, and threads.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.