Gas venting in subterranean wells
US11788379B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2020 |
| Grant date | Oct 17, 2023 |
| Priority date | — |
| Expiry date | Jul 28, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A gas vent tool can include a body with a flow passage having upstream and downstream sections, a valve that selectively permits and blocks flow between the upstream section and an exterior of the gas vent tool, and a valve that selectively permits and blocks flow between the upstream and downstream sections. A gas vent system can include a gas vent tool connected longitudinally between an intake tool and a pump, the intake tool being configured to receive formation fluids therein, and the pump being configured to pump the formation fluids to surface. The gas vent tool can include a valve that selectively permits and blocks flow between an interior flow passage and an annulus external to the gas vent tool, and a valve that selectively permits and blocks flow between upper and lower sections of the flow passage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.