Shear-resistant, high-drag-reducing, medium-viscosity slickwater drag reducing agent and preparation method therefor
US-2026062504-A1 · Mar 5, 2026 · US
This page is not indexed by search engines while we improve data quality.
Luo Pingya patents
Luo Pingya is listed as an inventor on 31 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Luo Pingya |
| Total patents | 31 |
| First publication | Mar 10, 2016 |
| Latest publication | Mar 5, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Shear-resistant, high-drag-reducing, high-viscosity slickwater drag reducing agent and preparation method therefor
US-2026035491-A1 · Feb 5, 2026 · US
Leak-proof lost-circulation control water-based drilling fluid composition and preparation method and use thereof
US-11542425-B1 · Jan 3, 2023 · US
Preparation method of fully adaptive modified nanographene plugging type anti-collapse drilling fluid and use thereof
US-11525079-B1 · Dec 13, 2022 · US
Oil-based drilling fluid composition, oil-based drilling fluid and preparation method and use thereof
US-11485896-B2 · Nov 1, 2022 · US
Pressure-bearing plugging agent and preparation method and use thereof
US-11453814-B2 · Sep 27, 2022 · US
Oil-based drilling fluid composition, oil-based drilling fluid and preparation method and use thereof
US-2022290032-A1 · Sep 15, 2022 · US
Modified polyvinyl acetate and preparation method and use thereof and oil-based drilling fluid
US-11441062-B1 · Sep 13, 2022 · US
Pressure-bearing plugging agent and preparation method and use thereof
US-2022267662-A1 · Aug 25, 2022 · US
Pressure-bearing plugging composition, pressure-bearing plugging slurry and preparation method and use thereof
US-11396621-B1 · Jul 26, 2022 · US
Recent patents
Latest publications not already listed above.
Fiber silica composite microsphere for shale stratum, drilling fluid and preparation method and use thereof
US-11345841-B1 · May 31, 2022 · US
Drilling fluid for enhancing stratum pressure bearing capacity and preparation method and method of using thereof
US-11225594-B1 · Jan 18, 2022 · US
Nanometer plugging water-based drilling fluid and preparation method and use thereof
US-11162010-B2 · Nov 2, 2021 · US
Nanometer plugging water-based drilling fluid and preparation method and use thereof
US-2021163807-A1 · Jun 3, 2021 · US
Method and system for obtaining micro-nano level fracture model and evaluating plugging performance of drilling fluid
US-10989576-B1 · Apr 27, 2021 · US
Experimental device and experimental method for testing the lubricity in horizontal well drilling with a cuttings bed taken into consideration
US-10928300-B2 · Feb 23, 2021 · US
Multi-functional weighting agent for drilling fluid and preparation method thereof, and water-based drilling fluid and use thereof
US-10865337-B1 · Dec 15, 2020 · US
Multi-Functional Weighting Agent for Drilling Fluid and Preparation Method Thereof, and Water-Based Drilling Fluid and Use Thereof
US-2020369936-A1 · Nov 26, 2020 · US
Modified nano-silica plugging agent, water-based drilling fluid, and preparation method and use thereof
US-10829681-B1 · Nov 10, 2020 · US
Micro-nanometer plugging anti-collapse drilling fluid and preparation method and use thereof
US-10829679-B1 · Nov 10, 2020 · US
Experimental device and experimental method for testing the lubricity in horizontal well drilling with a cuttings bed taken into consideration
US-2020217780-A1 · Jul 9, 2020 · US
Expandable plugging agent and preparation method thereof, micro-capsule plugging agent, water-based drilling fluid, and use thereof
US-10487255-B1 · Nov 26, 2019 · US
Strong plugging drilling fluid suitable for shale gas wells and preparation method thereof
US-10407608-B2 · Sep 10, 2019 · US
Strong plugging drilling fluid suitable for shale gas wells and preparation method thereof
US-2019241791-A1 · Aug 8, 2019 · US
Micro-nano composite plugging agent for drilling fluid and preparation method thereof, and drilling fluid and use thereof
US-10336932-B1 · Jul 2, 2019 · US
Drilling fluid for inhibiting surface hydration of clay and preparation method thereof
US-10233375-B1 · Mar 19, 2019 · US
Gel plugging slurry for well drilling and preparation method thereof, and slug plugging method
US-10233377-B1 · Mar 19, 2019 · US
Plugging agent for improving formation bearing capacity and preparation method thereof
US-10017679-B1 · Jul 10, 2018 · US
High-temperature cross-linking deep-well drilling fluid and preparation method thereof
US-10005946-B1 · Jun 26, 2018 · US
Deep-well polysulfonate drilling fluid and preparation method thereof
US-9926482-B1 · Mar 27, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Southwest Petroleum | 31 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/426 | 13 |
| C09K8/5045 | 13 |
| C09K2208/10 | 11 |
| C09K8/16 | 9 |
| C09K8/24 | 9 |