Inventor
GREGORY MARVIN ALLEN
US7 patents
⚠️ This page may combine multiple inventors who share the name “GREGORY MARVIN ALLEN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CNPC USA CORP
5 patentsUS9394777B2Jul 19, 2016
Pressure controlled multi-shift frac sleeve system
CNPC USA CORP5 citations71
US9121253B2Sep 1, 2015
Millable bridge plug system
CNPC USA CORP1 citations49
US9121254B2Sep 1, 2015
Millable bridge plug system
CNPC USA CORP1 citations49
US10605042B2Mar 31, 2020
Short millable plug for hydraulic fracturing operations
CNPC USA CORP0 citations40
US10415345B2Sep 17, 2019
Millable bridge plug system
CNPC USA CORP0 citations36