Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12410134 | Tracers for petroleum reservoirs | Rena Shi, Jason R. Cox, Sehoon Chang | 2025-09-09 |
| 12404766 | Polymer-based well tracers with tunable release profile | Rajesh Kumar Saini, Amy J. Cairns, Shitong S. Zhu, Ayrat Gizzatov, Wei Wang +1 more | 2025-09-02 |
| 12384747 | Tracers for petroleum reservoirs | Rena Shi, Jason R. Cox, Sehoon Chang | 2025-08-12 |
| 12372503 | Multifunctional magnetic tags for mud logging | Wei Wang, Sehoon Chang | 2025-07-29 |
| 12359115 | Method of treating a subsurface formation with a coated proppant | Wei Wang, Sehoon Chang, Shannon L. Eichmann | 2025-07-15 |
| 12325825 | Composition for a coated proppant | Shannon L. Eichmann, Sehoon Chang, Wei Wang | 2025-06-10 |
| 12253467 | Determining partition coefficients of tracer analytes | Sehoon Chang, Gawain Thomas, Wei Wang | 2025-03-18 |
| 12228512 | Multipurpose microfluidics devices for rapid on-site optical chemical analysis | Sehoon Chang, Jason R. Cox, Bora Yoon, Wei Wang | 2025-02-18 |
| 12188074 | Methods for reducing condensation | Wei Wang, Sehoon Chang | 2025-01-07 |
| 12168929 | Quantifying zonal flow in multi-lateral wells via taggants of fluids | Bora Yoon, Sehoon Chang, Wei Wang, Rena Shi | 2024-12-17 |
| 12140021 | Polymer-based well tracers with tunable release profile | Rajesh Kumar Saini, Amy J. Cairns, Shitong S. Zhu, Ayrat Gizzatov, Wei Wang +1 more | 2024-11-12 |
| 12140578 | Tracer analysis | Gawain Thomas, Sehoon Chang, Wei Wang | 2024-11-12 |
| 12140582 | Multifunctional polysaccharide-based mud logging barcode tracers | Wei Wang, Sehoon Chang | 2024-11-12 |
| 12110448 | Multifunctional fluorescent tags for subterranean applications | Wei Wang, Sehoon Chang | 2024-10-08 |
| 12077504 | Tracers for petroleum reservoirs | Rena Shi, Jason R. Cox, Sehoon Chang | 2024-09-03 |
| 12037893 | Oil, gas and water well tracers with tunable release profile | Rajesh Kumar Saini, Amy J. Cairns, Shitong S. Zhu, Ayrat Gizzatov, Wei Wang +1 more | 2024-07-16 |
| 12000278 | Determining oil and water production rates in multiple production zones from a single production well | Hsieh Chen, Martin E. Poitzsch, Ivan Cetkovic | 2024-06-04 |
| 11994020 | Mapping inter-well porosity using tracers with different transport properties | Hsieh Chen, Martin E. Poitzsch | 2024-05-28 |
| 11873353 | Flow synthesis of polymer nanoparticles | Marta Antoniv, S. Sherry Zhu, Martin E. Poitzsch | 2024-01-16 |
| 11827604 | Tracers for petroleum reservoirs | Rena Shi, Jason R. Cox, Sehoon Chang | 2023-11-28 |
| 11796517 | Multifunctional magnetic tags for mud logging | Wei Wang, Sehoon Chang | 2023-10-24 |
| 11692440 | Polymer nano-clays as multifunctional mud logging barcode tracers | Wei Wang, Sehoon Chang | 2023-07-04 |
| 11549922 | Tracer analysis | Gawain Thomas, Sehoon Chang, Wei Wang | 2023-01-10 |
| 11485900 | Mitigation of condensate and water banking using functionalized nanoparticles | Rajesh Kumar Saini, Mohammed Sayed, Mohammad Hamidul Haque, Amy J. Cairns | 2022-11-01 |
| 11473425 | Surface logging wells using depth-tagging of cuttings | Jason R. Cox, Martin E. Poitzsch, Daniel T. Georgi, Alberto Marsala | 2022-10-18 |