Inventor
Qingfu Feng
Inventor
Beijing, CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Vprimary
G01VGeophysics30%
E21BEarth or rock drilling20%
G01NInvestigating or analysing materials by determining their chemical or physical properties10%
G06FElectric digital data processing10%
G06KGraphical data reading10%
G06TImage data processing or generation, in general10%
G06VImage or video recognition or understanding10%
PatentTitleYear
10,641,088Method and device for determining karst development degree of reservoir, computer readable storage medium and device202010,401,311Method and device for measuring formation elemental capture gamma ray spectra20198,805,661'Quantitative calculation method for oil (gas) saturation of fractured reservoir'2014Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2014–2020Patents assigned to PETROCHINA CO LTD (3)· patent assignee history
2014Patents assigned to FENG QINGFU (1)· patent assignee history
2014Patents assigned to LI NING (1)· patent assignee history
2014Patents assigned to QIAO DEXIN (1)· patent assignee history
2014Patents assigned to WANG KEWEN (1)· patent assignee history
2014–2020Based in Beijing, CN· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| PETROCHINA CO LTD | 3 | 2014–2020 |
| FENG QINGFUself | 1 | 2014 |
| LI NING | 1 | 2014 |
| QIAO DEXIN | 1 | 2014 |
| WANG KEWEN | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Beijing, CN | 3 | 2014–2020 |