Ultra-high density wellbore fluids produced through alkalization of aqueous isopolymetalate solutions
US-2026002068-A1 · Jan 1, 2026 · US
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Contreras Elizabeth Q patents
Contreras Elizabeth Q is listed as an inventor on 51 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Contreras Elizabeth Q |
| Total patents | 51 |
| First publication | Mar 22, 2018 |
| Latest publication | Jan 1, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Tri-reforming of methane to hydrogen, methods for preparation of the same, and applications therein
US-2025296838-A1 · Sep 25, 2025 · US
Optimized natural gas/sales gas/sour gas reforming employing a novel catalytic process at the industrial scale
US-2025243056-A1 · Jul 31, 2025 · US
Process of converting hydrogen sulfide and carbon dioxide to methane and solid sulfur on carbon-based catalysts under milder conditions with reduced carbon footprint
US-2025136885-A1 · May 1, 2025 · US
Sustainable non-hydraulic cement composition and methods of such cements in subterranean cementing operations
US-12247158-B2 · Mar 11, 2025 · US
Wellbore cement structures and related compositions
US-2025074824-A1 · Mar 6, 2025 · US
Clear, high-density heavy brine-based fluids for downhole applications
US-2024384151-A1 · Nov 21, 2024 · US
Immobolized organometallic catalyst and application of same
US-2024316543-A1 · Sep 26, 2024 · US
Sustainable non-hydraulic cement composition and methods of such cements in subterranean cementing operations
US-2024084185-A1 · Mar 14, 2024 · US
Material design for the encapsulation of additives and release
US-11292955-B2 · Apr 5, 2022 · US
Recent patents
Latest publications not already listed above.
Wellbore cement having polymer capsule shells
US-11236582-B2 · Feb 1, 2022 · US
Capsule design for the capture of reagents
US-10995254-B2 · May 4, 2021 · US
Composition of encapsulated chemical additives and methods for preparation of the same
US-10988662-B2 · Apr 27, 2021 · US
Chemical composition of superabsorbent vesicles, method for mortar cement admixture, and applications of the same
US-10947437-B2 · Mar 16, 2021 · US
Method for monitoring cement using polymer-based capsules
US-10947438-B2 · Mar 16, 2021 · US
Material design for the encapsulation of additives and release
US-2021054256-A1 · Feb 25, 2021 · US
Composition of encapsulated chemical additives and methods for preparation of the same
US-2020392394-A1 · Dec 17, 2020 · US
Material design for the encapsulation of additives and release
US-10858572-B2 · Dec 8, 2020 · US
Composition of encapsulated chemical additives and methods for preparation of the same
US-10787600-B2 · Sep 29, 2020 · US
Capsule design for the capture of reagents
US-10723932-B2 · Jul 28, 2020 · US
Capsule design for the capture of reagents
US-10723933-B2 · Jul 28, 2020 · US
Method for monitoring cement using polymer-based capsules
US-2020216743-A1 · Jul 9, 2020 · US
Chemical composition of superabsorbent vesicles, method for mortar cement admixture, and applications of the same
US-2020199432-A1 · Jun 25, 2020 · US
Material design for the encapsulation of additives and release
US-2020199434-A1 · Jun 25, 2020 · US
Cement having cross-linked plymers
US-10683450-B2 · Jun 16, 2020 · US
Cement having cross-linked polymers
US-10669469-B2 · Jun 2, 2020 · US
Cement having cross-linked polymers
US-10662367-B2 · May 26, 2020 · US
Cement having cross-linked polymers
US-10655046-B2 · May 19, 2020 · US
Method for controlled release and making of a cement additive in a wellbore
US-10619085-B2 · Apr 14, 2020 · US
Capsule design for the capture of reagents
US-2020087565-A1 · Mar 19, 2020 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Saudi Arabian Oil Co | 47 |
| Aramco Services Co | 4 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/467 | 45 |
| C04B28/04 | 35 |
| C04B24/287 | 27 |
| C04B28/02 | 26 |
| C04B2103/0062 | 26 |