Patents
US 12704048 B2: Casing exit assembly, method, and system
- Granted
- 2026-08-11
- Filed
- 2024-07-24 application 18782826
- Type
- Utility · 15 claims
- Elsewhere
- Google Patents ↗ · USPTO patent document ↗ · USPTO Patent Center record ↗
Abstract
A casing exit assembly, including a whipstock, a mill releasably attached to the whipstock, the mill including an initiation sensor and a drive, and an anchor attached to the whipstock, the anchor including a housing with a ramp, a slip disposed to move radially of the housing upon axially transitioning on the ramp, and an interlock operably attached to the driver. A method for managing a casing exit, including running the casing exit assembly to a target location in a borehole, sensing a pressure within or around the assembly, imposing a tensile load on the interlock, releasing the interlock, moving the slip with a drive plate of the interlock, and setting the slip. A borehole system, including a borehole in a subsurface formation, a string disposed in the borehole, and a casing exit assembly, disposed within or as a part of the string.
Source: PTBLXML, file of 2026-08-11 (ipgb20260811.xml).
Assignees
| Assignee | Type | Place | Also on furp.org | Source |
|---|---|---|---|---|
| Baker Hughes Oilfield Operations LLC 922 patents | US company or organization | Houston, TX | PTBLXML, file of 2026-08-11 |
Inventors
| Inventor | Place | Patents | Person page | Source |
|---|---|---|---|---|
| Tuan Nguyen | Pearland, TX | 35 | PTBLXML, file of 2026-08-11 | |
| James Scott Trahan | Magnolia, TX | PTBLXML, file of 2026-08-11 | ||
| David Alexander | Houston, TX | 7 | PTBLXML, file of 2026-08-11 |
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 | E21B43/10 | PTBLXML, file of 2026-08-11 |
Cooperative Patent Classification, as currently assigned (one row per subclass).
Assignments and security interests
| Recorded | What | From | To | Reel/frame | Source |
|---|---|---|---|---|---|
| 2024-07-25 | Assignment Assignment of assignor's interest | NGUYEN, TUAN signed 2024-07-24 TRAHAN, JAMES SCOTT signed 2024-07-23 ALEXANDER, DAVID signed 2024-07-24 | BAKER HUGHES OILFIELD OPERATIONS LLC HOUSTON, TX | 68078/619 | PASDL, file of 2026-08-13 |
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.