Wellbore stability compositions comprising nanoparticles
US-12480032-B2 · Nov 25, 2025 · US
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May Preston patents
May Preston is listed as an inventor on 10 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | May Preston |
| Total patents | 10 |
| First publication | Mar 2, 2023 |
| Latest publication | Nov 25, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Environmentally acceptable wellbore stability additive
US-12404440-B2 · Sep 2, 2025 · US
Environmentally acceptable wellbore stability additive
US-2024343964-A1 · Oct 17, 2024 · US
Environmentally acceptable wellbore stability additive
US-12043788-B2 · Jul 23, 2024 · US
Silicate shale inhibitor additives
US-11884851-B2 · Jan 30, 2024 · US
Environmentally acceptable wellbore stability additive
US-2024010902-A1 · Jan 11, 2024 · US
Wellbore stability compositions comprising nanoparticles
US-2023203361-A1 · Jun 29, 2023 · US
Silicate shale inhibitor additives
US-2023183543-A1 · Jun 15, 2023 · US
Dried shale inhibitor additives
US-2023151266-A1 · May 18, 2023 · US
Detection of polymer shale encapsulators in wellbore fluid
US-2023065595-A1 · Mar 2, 2023 · US
Recent patents
Latest publications not already listed above.
No data yet.
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Halliburton Energy Services Inc | 10 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K2208/10 | 6 |
| C09K8/516 | 6 |
| C09K8/5045 | 6 |
| C09K8/03 | 6 |
| C09K8/035 | 5 |