Tool for opening sliding sleeve
US11248444B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 13, 2017 |
| Grant date | Feb 15, 2022 |
| Priority date | — |
| Expiry date | Nov 14, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16C2352/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A sliding sleeve opening tool includes an engaging element, a ball seat and a guiding head connected in sequence, as disclosed herein. The engaging element includes at least two elastic pawls uniformly disposed in a circumferential direction and at least one engaging part disposed on an external circumferential surface of an elastic pawl, and the engaging element is further provided with a first fluid channel which runs through the engaging element. The ball seat is provided with a second fluid channel which runs through the ball seat, and within the second fluid channel a taper hole section for bearing a sealing ball is disposed, the second fluid channel being in communication with the first fluid channel. The guiding head is provided with a third fluid channel which runs through the guiding head, and the third fluid channel is in communication with the second fluid channel. The sliding sleeve opening tool has at least one of the pushing function, the fishing function, the pushing assistance function, the mud scraping function and the sealing function.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.