Inventor

HELBERT THOMAS D

US2 patents

⚠️ This page may combine multiple inventors who share the name “HELBERT THOMAS D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SMITH INTERNATIONAL

1 patent

US7762330B2Jul 27, 2010

Methods of making multiple casing cuts

SMITH INTERNATIONAL37 citations84

WEATHERFORD TECH HOLDINGS LLC

1 patent

US10309179B2Jun 4, 2019

Downhole casing pulling tool

WEATHERFORD TECH HOLDINGS LLC2 citations69