Polycarboxylate thinner for carbonate/bicarbonate contamination resistant water-based drilling fluid and preparation method and application thereof
US-12509620-B1 · Dec 30, 2025 · US
This page is not indexed by search engines while we improve data quality.
Wang Jintang patents
Wang Jintang is listed as an inventor on 30 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Wang Jintang |
| Total patents | 30 |
| First publication | Mar 14, 2017 |
| Latest publication | Dec 30, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Device and method for rapidly regulating downhole pressure after kick in deepwater shallow open-circuit drilling
US-12480371-B1 · Nov 25, 2025 · US
Strongly adsorbed hyper-branched filtrate reducer for water-based drilling fluid with resistance to 240° C. and saturated salinity, preparation method therefor and use thereof
US-12384953-B1 · Aug 12, 2025 · US
Phase change microcapsule for drilling fluid cooling and its preparation method and application
US-2025250474-A1 · Aug 7, 2025 · US
Phase change microcapsule for drilling fluid cooling and its preparation method and application
US-12378458-B1 · Aug 5, 2025 · US
High density environmentally friendly polymer water-based drilling fluid with resistance to 240° C. and saturated salts, preparation method therefor and use thereof
US-12269985-B1 · Apr 8, 2025 · US
High-temperature and high-salt resistant hyperbranched lubricant for water-based drilling fluid, and preparation and application thereof
US-12264279-B1 · Apr 1, 2025 · US
Bio-enzyme degradable temporary plugging material and preparation method and application thereof
US-12110449-B1 · Oct 8, 2024 · US
Oil-soluble thermosensitive resin lost circulation material for protecting a reservoir as well as preparation method and application thereof
US-12043742-B2 · Jul 23, 2024 · US
High temperature and high salinity-resistant complementarily rigid-flexible plugging agent and method for preparing the same and water-based drilling fluid and use thereof
US-11970655-B2 · Apr 30, 2024 · US
Recent patents
Latest publications not already listed above.
Anti-sloughing drilling fluid and use thereof
US-2024043736-A1 · Feb 8, 2024 · US
Nanographene and preparation method and use thereof and oil-based drilling fluid
US-2024043735-A1 · Feb 8, 2024 · US
Nanographene and preparation method and use thereof and oil-based drilling fluid
US-11873444-B1 · Jan 16, 2024 · US
High temperature and high salinity-resistant complementarily rigid-flexible plugging agent and method for preparing the same and water-based drilling fluid and use thereof
US-2024010904-A1 · Jan 11, 2024 · US
Nano-organosilicon film-forming and hydrophobic shale surface hydration inhibitor and its preparation method and application
US-11807802-B2 · Nov 7, 2023 · US
Oil-soluble thermosensitive resin lost circulation material for protecting a reservoir as well as preparation method and application thereof
US-2023086238-A1 · Mar 23, 2023 · US
Cementitious plugging wall solidifer for water-based drilling fluid, and a preparation method thereof and a water-based drilling fluid
US-11578250-B1 · Feb 14, 2023 · US
Flocculating agent for removing oil-based drilling fluid rock cuttings and preparation method and use thereof
US-2023017294-A1 · Jan 19, 2023 · US
Water-based gel-consolidation type lost circulation material system suitable for fractured lost circulation formation, preparation method and use thereof
US-11472999-B1 · Oct 18, 2022 · US
High-temperature resistant, high-strength, and thixotropic gel plugging agent and its preparation method and application
US-11421140-B2 · Aug 23, 2022 · US
Nano-organosilicon film-forming and hydrophobic shale surface hydration inhibitor and its preparation method and application
US-2022228050-A1 · Jul 21, 2022 · US
High temperature-resistant and high oil-absorption resin particle plugging agent suitable for oil-based drilling fluid and its preparation method
US-11384275-B2 · Jul 12, 2022 · US
Environment-friendly high-temperature resistant water-based drilling fluid plugging anti-sloughing agent, preparation method thereof and the water-based drilling fluid
US-11072738-B2 · Jul 27, 2021 · US
Environment-friendly high-temperature resistant water-based drilling fluid plugging anti-sloughing agent, preparation method thereof and the water-based drilling fluid
US-2021189216-A1 · Jun 24, 2021 · US
High temperature-resistant and high oil-absorption resin particle plugging agent suitable for oil-based drilling fluid and its preparation method
US-2021139764-A1 · May 13, 2021 · US
High-Temperature Resistant, High-Strength, and Thixotropic Gel Plugging Agent and Its Preparation Method and Application
US-2021087453-A1 · Mar 25, 2021 · US
Multi-multidimensional computer architecture for big data applications
US-10417005-B2 · Sep 17, 2019 · US
Multi-multidimensional computer architecture for big data applications
US-2017371676-A1 · Dec 28, 2017 · US
Device and method for measuring supercritical carbon dioxide fracturing fluid throttling coefficient under different viscosities
US-2017089850-A1 · Mar 30, 2017 · US
Device and method for measuring supercritical carbon dioxide fracturing fluid throttling coefficient under different viscosities
US-9594038-B1 · Mar 14, 2017 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ China Petroleum East China | 23 |
| Univ Southwest Petroleum | 3 |
| Huawei Tech Co Ltd | 2 |
| Univ China Petroleum | 2 |
| China Univesity Of Petroleum East China | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K8/426 | 16 |
| C09K8/035 | 11 |
| C09K8/24 | 11 |
| C09K2208/10 | 10 |
| C09K8/03 | 10 |