Fracturing bridge plug
US10934805B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2019 |
| Grant date | Mar 2, 2021 |
| Priority date | — |
| Expiry date | Jun 19, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/26
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present disclosure provides a fracturing bridge plug, and belongs to the technical field of downhole plugging devices of oil and gas fields, which solves technical problems that the existing packer rubber is axially compressed, a bridge plug is relatively long, and a dissolving or drilling effect is not ideal. The fracturing bridge plug comprises a cone, an upper cone, a seal assembly, a lower cone, a slip, a locking ring and a guide shoe, a matching surface of the upper cone and the seal assembly is a first ramp, one end, far away from the lower cone, of the first ramp is a large end while one end, close to the lower cone, thereof is a small end, and the diameter of the first ramp from the large end to the small end is gradually reduced.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.