Inventor · disambiguated record
Songmei Zhang
Also filed as: ZHANG SONGMEI
2 granted patents·0 citations·filing 2010–2019
22Inventor score
Technology areasE21B
Top patents by PatentIndex Score
2 records- 0130US11898414B2Method for filling oil-gas well of fractured oil-gas reservoir with isolation particles to reduce water and increase oil productionANTON BAILIN OILFIELD TECH BEIJING CO LTD·Filed 2019·Granted Feb 13, 2024·0 cites·10 claims
- 0229US9664014B2Method and system for segmental flow control in oil-gas wellPEI BAILIN·Filed 2010·Granted May 30, 2017·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →