Methods for quantifying and tracking amine-based shale inhibitors in drilling fluids
US-12473828-B2 · Nov 18, 2025 · US
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Pal Omprakash patents
Pal Omprakash is listed as an inventor on 15 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Pal Omprakash |
| Total patents | 15 |
| First publication | Jul 6, 2023 |
| Latest publication | Nov 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for assessing quality of amine-based shale inhibitors
US-2025137935-A1 · May 1, 2025 · US
C-36 dimer diamine hydrochloride salt as primary viscosifier for invert-emulsion drilling fluids
US-12281255-B2 · Apr 22, 2025 · US
Cement spacer fluid with polyethyleneimine hydrochloride salt as a shale inhibitor
US-12173226-B2 · Dec 24, 2024 · US
Ethylene amine hydrochloride based shale inhibitor for aqueous drilling fluids
US-12134728-B2 · Nov 5, 2024 · US
Methods for quantifying and tracking amine-based shale inhibitors in drilling fluids
US-2024280016-A1 · Aug 22, 2024 · US
C-36 dimer diamine hydrochloride salt as primary viscosifier for invert-emulsion drilling fluids
US-2024279528-A1 · Aug 22, 2024 · US
C-36 dimer diamine hydrochloride salt as primary viscosifier for invert-emulsion drilling fluids
US-12024669-B2 · Jul 2, 2024 · US
Cement spacer fluid with polyethyleneimine hydrochloride salt as a shale inhibitor
US-2024059950-A1 · Feb 22, 2024 · US
Cement slurry with polyethyleneimine hydrochloride salt as a shale inhibitor
US-2024052233-A1 · Feb 15, 2024 · US
Recent patents
Latest publications not already listed above.
C-36 dimer diamine hydrochloride salt as primary viscosifier for invert-emulsion drilling fluids
US-2023416587-A1 · Dec 28, 2023 · US
Cement spacer fluid with polyethyleneimine hydrochloride salt as a shale inhibitor
US-11807803-B1 · Nov 7, 2023 · US
Ethylene amine hydrochloride based shale inhibitor for aqueous drilling fluids
US-2023323183-A1 · Oct 12, 2023 · US
Low-end rheology modifier for oil based drilling fluids
US-11725129-B2 · Aug 15, 2023 · US
Low-end rheology modifier for oil based drilling fluids
US-2023212449-A1 · Jul 6, 2023 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Saudi Arabian Oil Co | 15 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/035 | 9 |
| C09K8/36 | 6 |
| C09K2208/12 | 5 |
| C09K8/032 | 4 |
| E21B21/065 | 4 |