Large-diameter soluble bridge plug
US10914132B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Oct 26, 2019 |
| Grant date | Feb 9, 2021 |
| Priority date | — |
| Expiry date | Oct 26, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention relates to the technical field of downhole tools of oil-gas wells, and specifically discloses a large-diameter soluble bridge plug. The large-diameter soluble bridge plug includes a fracturing ball, a cone, slips and a guide shoe. The lower end of the cone is connected with the upper end of the slips; the lower end of the slips is connected with the upper end of the guide shoe; a sealing component is arranged at a joint of the cone and the slips; and the fracturing ball is connected with the upper end of the cone in a sealing manner. A shear pin hole is formed at the upper end of the cone; and a groove is formed in an internal surface of the lower end of the guide shoe.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.