Method for in-depth profile control and displacement of low-permeability oil reservoirs
US-10920127-B2 · Feb 16, 2021 · US
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Chen Ronghuan patents
Chen Ronghuan is listed as an inventor on 2 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Chen Ronghuan |
| Total patents | 2 |
| First publication | Sep 26, 2019 |
| Latest publication | Feb 16, 2021 |
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Petrochina Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C08F2/32 | 2 |
| C08F222/385 | 2 |
| C08F220/585 | 2 |
| C08F220/56 | 2 |
| C09K8/588 | 2 |