Formation fluid sampling using probe with inflatable pad
US-12584408-B1 · Mar 24, 2026 · US
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Chen Zhonghuan patents
Chen Zhonghuan is listed as an inventor on 8 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chen Zhonghuan |
| Total patents | 8 |
| First publication | Jul 13, 2023 |
| Latest publication | Mar 24, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Addressing plug movement in hydraulic fracturing
US-12523143-B2 · Jan 13, 2026 · US
Evaluating subsurface conditions
US-2025370155-A1 · Dec 4, 2025 · US
Addressing plug movement in hydraulic fracturing
US-2025369343-A1 · Dec 4, 2025 · US
Fluid holdup monitoring in downhole fluid sampling tools
US-12352162-B2 · Jul 8, 2025 · US
Fluid holdup monitoring in downhole fluid sampling tools
US-2024352854-A1 · Oct 24, 2024 · US
Fluid holdup monitoring in downhole fluid sampling tools
US-12055038-B2 · Aug 6, 2024 · US
Fluid holdup monitoring in downhole fluid sampling tools
US-2023220771-A1 · Jul 13, 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 | 8 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| E21B49/10 | 4 |
| E21B49/0875 | 4 |
| E21B49/081 | 4 |
| G01N9/32 | 4 |
| G01N21/3577 | 4 |