Sealing integrity evaluation device for high-temperature and high- pressure casing-cement ring-formation and method thereof
US-11733121-B2 · Aug 22, 2023 · US
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Engineering Tech Research Institute Southwest Oil And Gas Fieldcompany Of Petro China patents
Engineering Tech Research Institute Southwest Oil And Gas Fieldcompany Of Petro China holds 1 patent in our database, with recent filings and technology areas summarized below.
| Metric | Value |
|---|---|
| Total patents | 1 |
| Recent patents | 1 |
| First publication | Aug 22, 2023 |
| Latest publication | Aug 22, 2023 |
Filing trend
Year-over-year patent counts for this assignee.
Not enough yearly data to assess filing trend yet.
| Year | Patents |
|---|---|
| 2023 | 1 |
| Year | Patents |
|---|---|
| 2023 | 1 |
Recent patents
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Technology areas
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| Technology | Patents |
|---|---|
| Fixed Constructions | 1 |
| Physics | 1 |