Mud pulse valve
US11739633B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2022 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Dec 7, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V1/40
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A mud pulse telemetry valve and method including a flow tube having at least one upper hydraulic opening extending from an inner surface and at least one lower hydraulic opening extending from an inner surface, a flow restriction member positioned in the flow tube and defining an orifice, an orifice housing connected to the flow tube and supporting the flow restriction member, and a screen defining a flow path from a first end of the screen to the orifice. The orifice housing has at least one inlet port in fluid communication with the upper hydraulic opening upstream of the flow restriction member, and the screen has a plurality of filter openings positioned between the flow path and the at least one inlet port. The mud pulse telemetry valve further has a control valve assembly and a pilot valve assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.