Shanjun Li
30Patents
6h-index
21Co-inventors
69Inventor score
Filing activity: Oct 6, 1983 → Sep 16, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8749243B2 | Real time determination of casing location and distance with tilted antenna measurement | Physics | 26 | Active |
| US8844648B2 | System and method for EM ranging in oil-based mud | Fixed Constructions | 21 | Active |
| US9002649B2 | Efficient inversion systems and methods for directionally-sensitive resistivity logging tools | Physics | 9 | Active |
| US9081114B2 | Multi-array laterolog tools and methods with split monitor electrodes | Physics | 8 | Active |
| US8954280B2 | Methods and systems for determining formation parameters using a rotating tool equipped with tilted antenna loops | Physics | 7 | Active |
| USD1040611S1 | Turntable | General | 6 | Active |
| US9239402B2 | Focused array laterolog tool | Physics | 5 | Active |
| USD1023650S1 | Storage rack | General | 4 | Active |
| US10416336B2 | Method of estimating anisotropic formation resistivity profile using a multi-component induction tool | Physics | 3 | Active |
| US4745194A | Ultraviolet light absorbers having two different chromophors in the same molecule | Chemistry; Metallurgy | 3 | Expired |
| US9791586B2 | Processing and geosteering with a rotating tool | Fixed Constructions | 3 | Active |
| US9753175B2 | Methods and systems for determining formation parameters using a rotating tool equipped with tilted antenna loops | Physics | 3 | Active |
| US9115569B2 | Real-time casing detection using tilted and crossed antenna measurement | Physics | 2 | Active |
| US8947095B2 | Multi-array laterolog tools and methods | Physics | 2 | Active |
| US9547100B2 | Multi-array laterolog tools and methods with differential voltage measurements | Physics | 2 | Active |
| USD1068415S1 | Cheese board | General | 2 | Active |
| US9529113B2 | Method and apparatus for downhole measurement tools | Physics | 1 | Active |
| US9341735B1 | Apparatus and method for simultaneously obtaining quantitative measurements of formation resistivity and permittivity in both water and oil based mud | Physics | 1 | Active |
| US11249216B2 | System and methodology of cross casing resistivity tool | Physics | 1 | Active |
| US10605073B2 | System and methodology of look ahead and look around LWD tool | Physics | 0 | Active |
| US11657796B2 | Active control method for filtered reference affine projection sign algorithm based on variable step size | Physics | 0 | Active |
| US11852773B2 | Instrument structure and measuring method for cross-casing resistivity tool | Physics | 0 | Active |
| US12219371B2 | Method and system for networking of spliced building blocks, and spliced building blocks applicable to wireless networking | Electricity | 0 | Active |
| US9354349B2 | Systems and methodology for detecting a conductive structure | Physics | 0 | Active |
| US9360584B2 | Systems and methodology for detecting a conductive structure | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.