Pin-less composite sleeve or coupling to composite mandrel or shaft connections
US9803449B2 · kind B2 · utility
3Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 6, 2013 |
| Grant date | Oct 31, 2017 |
| Priority date | — |
| Expiry date | May 10, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/1064
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
Methods, devices, and systems of downhole tools are disclosed. The tools each has a sleeve attached to a mandrel to form a composite frac or bridge plug or similar coupling to a downhole tool tubing product without the use of shear pins. The engagement between the mandrel and the sleeve includes a load breaking ledge, threads, ring and groove combination, and helical spiral groove with a helical coil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.