Inventor
SITTON DONALD RAY
US6 patents
Patents
6 patentsUS8939233B2Jan 27, 2015
Methods and systems for drilling
SHELL OIL CO40 citations95
US8561720B2Oct 22, 2013
Methods and systems for drilling
SHELL OIL CO22 citations90
US9879490B2Jan 30, 2018
Methods and systems for drilling
SHELL OIL CO11 citations89
US9470052B2Oct 18, 2016
Methods and systems for drilling
SHELL OIL CO4 citations82
US10415365B2Sep 17, 2019
Methods and systems for drilling
SHELL OIL CO1 citations70
US9683418B2Jun 20, 2017
Methods and systems for picking up a drill bit
SHELL OIL CO0 citations50