Patents
US 12760619 B2: Device and method of employing a magnetic field angle sensor to determine a health of a safety valve in downhole applications
- Granted
- 2026-10-13
- Filed
- 2024-12-17 application 18983686
- Type
- Utility · 24 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
Provided is a safety valve, a well system, and a method. The safety valve, in one aspect, includes an outer housing, a bore flow management actuator disposed within the outer housing, and a valve closure mechanism disposed within the outer housing. The safety valve, in accordance with this aspect, further includes one or more permanent magnets coupled to one of a movable feature of the safety valve or a fixed feature of the safety valve, and one or more magnetic field angle sensors coupled to an other of the fixed feature of the safety valve or the movable feature of the safety valve and positioned proximate the one or more permanent magnets, the one or more magnetic field angle sensors configured to sense a movement of the movable feature to determine a health of the safety valve.
Source: PTBLXML, file of 2026-10-13 (ipgb20261013.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Halliburton Energy Services, Inc. 9,888 patents | US company or organization | Houston, TX | HALLIBURTON ENERGY SERVICES Federal lobbying client FUZZY medium confidence: same name (legal endings aside) and state | PTBLXML, file of 2026-10-13 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Mohan Gunasekaran | Al-Khobar, SA | 31 | PTBLXML, file of 2026-10-13 | |
| David Allen Dockweiler | Singapore, SG | 18 | PTBLXML, file of 2026-10-13 | |
| Michael Linley Fripp | Singapore, SG | 515 | PTBLXML, file of 2026-10-13 |
CPC categories
| Subclass | Category | First group | Source |
|---|---|---|---|
| E21B | Earth or rock drilling; obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells | E21B34/066 | PTBLXML, file of 2026-10-13 |
| F16K | Valves; taps; cocks; actuating-floats; devices for venting or aerating | F16K31/0675 | PTBLXML, file of 2026-10-13 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
No recorded assignments or security interests on file for this patent.
USPTO bulk data: PatentsView granted patents, disambiguated (PVGPATDIS) for patents, assignees, inventors, places and CPC categories; the USPTO Patent Assignment Dataset (ECORSEXC) for assignments and security interests. Patents filed in the last 20 years. No claims or full text. Links to other records are by name (and state): EXACT means the identical full name and state; FUZZY means a looser name match, with the confidence shown.