Deflector assembly and efficient method for multi-stage fracturing a multilateral well using the same
US11414930B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Feb 4, 2020 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Feb 4, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/26
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Provided, in one aspect, is a deflector assembly. The deflector assembly, in one embodiment, includes a deflector body having a deflector window located therein, and a deflector ramp positioned at least partially across the deflector window, the deflector ramp configured to move between first ({circle around (1)}), second ({circle around (2)}) and third ({circle around (3)}) different positions when a downhole tool moves back and forth within the deflector body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.