Scale/corrosion inhibitor dispenser for wellbore protection
US12203347B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 27, 2023 |
| Grant date | Jan 21, 2025 |
| Priority date | — |
| Expiry date | Jan 29, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A chemical dispenser system includes a Y-tool secured to a toolstring via a Y-block, the Y-tool comprising a bypass line and a pump line, where the bypass line and the pump line are fluidly connected to the toolstring at an upper end of the Y-block and where the pump line and the bypass line are arranged parallel to each other. The chemical dispenser system further includes an electrical submersible pump provided in the pump line, inhibitor chemicals held within one or more pressure retaining chambers in the bypass line, and a blanking plug landed in the bypass line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.