Inventor
LI JIANSHEN
US6 patents
⚠️ This page may combine multiple inventors who share the name “LI JIANSHEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CNPC USA CORP
5 patentsUS12098326B2Sep 24, 2024
Degradable friction reducer for hydraulic fracturing treatments
CNPC USA CORP0 citations61
US12098327B2Sep 24, 2024
Degradable friction reducer for hydraulic fracturing treatments
CNPC USA CORP0 citations61
US11999905B2Jun 4, 2024
Degradable friction reducer for hydraulic fracturing treatments
CNPC USA CORP0 citations61
US12392704B2Aug 19, 2025
Apparatus and method for determining the static proppant-settling-velocity in fracturing fluids
CNPC USA CORP0 citations60
US12049588B2Jul 30, 2024
Delayed gelation polymer system for high temperature and high salinity applications
CNPC USA CORP0 citations59