Plunger lift with a variable flow mechanism
US12385370B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 2023 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Oct 9, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/121
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A plunger for use in an oil or gas well that includes a mandrel and a hollow body with radial directed ports disposed therein. The plunger also includes a variable flow mechanism that can be adjusted to achieve a desired fall rate for the plunger for a particular oil and gas operation. A method of lifting fluids from an oil and gas well using the plunger includes the step of employing an adjustable plunger to lift fluids from the oil and gas well wherein the adjustable plunger has a desired fall rate in the well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.