Coupling apparatus for connecting two drill pipe sections and a method of using same
US10294730B2 · kind B2 · utility
1Cited by
15References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2015 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | Dec 29, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L23/032
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A coupling apparatus and a method are for connecting two drill-pipe sections in a string of drill-pipe sections joined together by tool joints. The coupling apparatus comprises: a first pipe with a first end portion and a second end portion, the first end portion being provided with a tool joint for connection to a drill-pipe section; a second pipe with a first end portion and a second end portion, the first end portion being provided with a tool joint for connection to a drill-pipe section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.