Inventor
BALL DAVID EARL
US6 patents
⚠️ This page may combine multiple inventors who share the name “BALL DAVID EARL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HALLIBURTON ENERGY SERVICES INC
5 patentsUS12241332B1Mar 4, 2025
Isolation device with multiple pressure stages to isolate well interval
HALLIBURTON ENERGY SERVICES INC3 citations70
US12410685B2Sep 9, 2025
Using fluid pill for heat transfer downhole
HALLIBURTON ENERGY SERVICES INC0 citations58
US12553338B2Feb 17, 2026
Downhole fluid sampling system with hydraulic actuation
HALLIBURTON ENERGY SERVICES INC0 citations56
US11761292B2Sep 19, 2023
Inflatable element system for downhole tools
HALLIBURTON ENERGY SERVICES INC0 citations56
US10443378B2Oct 15, 2019
Apparatus and method for downhole in-situ determination of fluid viscosity
HALLIBURTON ENERGY SERVICES INC0 citations51