Coring tool, coring method, and application thereof
US-12516581-B2 · Jan 6, 2026 · US
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Sinopec Shengli Petroleum Eng Co Ltd — Fixed Constructions
Sinopec Shengli Petroleum Eng Co Ltd holds 9 patents in Fixed Constructions, with representative filings summarized below.
| Metric | Value |
|---|---|
| Company | Sinopec Shengli Petroleum Eng Co Ltd |
| Technology | Fixed Constructions |
| Patents in slice | 9 |
| Recent patents in slice | 8 |
| First year | 2023 |
| Last year | 2026 |
Representative patents
Notable publications linking Sinopec Shengli Petroleum Eng Co Ltd to Fixed Constructions.
Coring tool, coring method, and application thereof
US-12516581-B2 · Jan 6, 2026 · US
Coring tool, coring method, and application thereof
US-12516581-B2 · Jan 6, 2026 · US
Positioning and orientating apparatus for branch well, and positioning and orientating method
US-12480372-B2 · Nov 25, 2025 · US
Positioning and orientating apparatus for branch well, and positioning and orientating method
US-12480372-B2 · Nov 25, 2025 · US
Recent filings
Latest patents from Sinopec Shengli Petroleum Eng Co Ltd in Fixed Constructions.
Coring tool, coring method, and application thereof
US-12516581-B2 · Jan 6, 2026 · US
Coring tool, coring method, and application thereof
US-12516581-B2 · Jan 6, 2026 · US
Coring tool, coring method, and application thereof
US-12516581-B2 · Jan 6, 2026 · US
Positioning and orientating apparatus for branch well, and positioning and orientating method
US-12480372-B2 · Nov 25, 2025 · US
Positioning and orientating apparatus for branch well, and positioning and orientating method
US-12480372-B2 · Nov 25, 2025 · US
Related pages
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