Patents
US 11773692 B2: Pulse based perf and wash system and method
- Granted
- 2023-10-03
- Filed
- 2019-10-02 application 17285110
- Type
- Utility · 22 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A perf and wash system for plugging a casing and wellbore, the perf and wash system including a cleaning tool having at least one nozzle making a first angle with a longitudinal axis of the system; a perforating gun assembly having at least one shaped charge making a second angle with the longitudinal axis; and a plug connected with a first end to the cleaning tool and with a second end, opposite to the first end, to the perforating gun assembly. The first angle is substantially equal to the second angle and the first and second angles are different than 90 degrees.
Source: PVGPATDIS, file of 2026-04-10 (ipg231003.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 |
|---|---|---|---|---|
| Chris Chalker | Aberdeen, GB | 1 | 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 | E21B37/08 | 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 |
| 2024-04-12 | Security interest Security interest Security interest | GEODYNAMICS, INC. signed 2024-04-09 OIL STATES ENERGY SERVICES, L.L.C. signed 2024-04-09 OIL STATES INDUSTRIES, INC. signed 2024-04-09 | WELLS FARGO BANK, NATIONAL ASSOCIATION ATLANTA, GA | 67090/799 | ECORSEXC, file of 2026-09-25 |
| 2022-03-10 | Security interest Security interest Security interest | GEODYNAMICS, INC. signed 2022-03-07 OIL STATES ENERGY SERVICES, L.L.C. signed 2022-03-07 OIL STATES INDUSTRIES, INC. signed 2022-03-07 | WELLS FARGO BANK, NATIONAL ASSOCIATION ATLANTA, GA | 59861/477 | 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.