Releasable connection for coiled tubing drilling apparatus
US9784043B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 8, 2013 |
| Grant date | Oct 10, 2017 |
| Priority date | — |
| Expiry date | Jul 12, 2034 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/05
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A releasable connection for coiled tubing drilling apparatus is presented wherein the connection has an outer body configured with an inner volume, a mandrel located at least partially within the outer body and in the inner volume, a plug located with the outer body and a structural weakpoint apparatus, wherein the structural weakpoint apparatus is configured to structurally fail at a predetermined tensile load placed upon the releasable connection apparatus, wherein the structural weakpoint apparatus is configured at a lower end of the mandrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.