Coiled tubing connector and method of manufacture
US6890007B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Dec 2, 2003 |
| Grant date | May 10, 2005 |
| Priority date | — |
| Expiry date | Dec 2, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B17/042
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In the field of oil drilling and other well operations there is a need for a coiled tubing connector that is quick and simple to use. There is also a need for a coiled tubing connector that is reusable. A coiled tubing connector (50) comprises a first sub (20); at least one arcuate segment (31, 32) and a second sub (40). The first sub (20) is slidable on the exterior surface of a length of unwound coiled tubing (10); and includes an internal recessed portion (21) and an engagement portion (22) adjacent to a first end thereof (26). At least one arcuate segment (31, 32) defines a protuberance (33) extending radially from an inner surface thereof. Each protuberance (33) is engagable with a corresponding circumferentially extending recess (11) in the coiled tubing (10). The second sub (40) is slidable on the exterior surface of the coiled tubing (10); and includes an engagement portion (41) adjacent to a first end thereof (42). The engagement portion (22) of the first sub (20) is engagable with the engagement portion (41) of the second sub (40) whereby in use each arcuate segment (31, 32) is retained within the internal recessed portion (21) of the first sub (20), thereby maintaining e…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.