Patents
US 11891891 B2: Switch device with non-addressable scheme for wellbore operations
- Granted
- 2024-02-06
- Filed
- 2021-07-27 application 17443701
- Type
- Utility · 11 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A non-addressable switch device that is part of a chain of switch devices in a gun string, the non-addressable switch device including a first switch configured to make an electrical connection between an electrical line and another non-addressable switch device of the chain of switch devices; a second switch configured to make an electrical connection between a detonator and the electrical line; and a processor PA connected to the first and second switches and configured to close and open the first and second switches. The processor PA is configured to not use a digital address, and the processor PA is configured to perform one of plural functions based on a corresponding pulse received along the electrical line.
Source: PVGPATDIS, file of 2026-04-10 (ipg240206.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| GEODYNAMICS, INC. 140 patents | US company or organization | Millsap, TX | PVGPATDIS, file of 2026-04-10 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Roger Archibald | Hurst, TX | 10 | PVGPATDIS, file of 2026-04-10 |
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 | E21B43/1185 | PVGPATDIS, file of 2026-04-10 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2026-01-29 | Security interest Security interest Security interest | OIL STATES ENERGY SERVICES, L.L.C. signed 2026-01-28 OIL STATES INDUSTRIES, INC. signed 2026-01-28 GEODYNAMICS, INC. signed 2026-01-28 TEMPRESS TECHNOLOGIES, INC. signed 2026-01-28 | WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT SAN ANTONIO, TX | 74532/194 | PASDL, file of 2026-10-15 |
| 2023-04-10 | Security interest Security interest Security interest | OIL STATES ENERGY SERVICES, L.L.C. signed 2023-04-07 OIL STATES INDUSTRIES, INC. signed 2023-04-07 GEODYNAMICS, INC. signed 2023-04-07 | WELLS FARGO BANK, NATIONAL ASSOCIATION ATLANTA, GA | 63270/608 | PASDL, file of 2026-10-15 |
| 2022-01-24 | Assignment Assignment of assignor's interest | ARCHIBALD, ROGER signed 2021-10-16 | GEODYNAMICS, INC. MILLSAP, TX | 58736/133 | ECORSEXC, file of 2026-09-25 |
Documents recorded with the USPTO Assignment Recordation Branch that list this patent. A security interest is a lender’s claim on the patent as collateral; a release ends it.
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.