P

Inventor

LEWIS DERRICK W

US11 patents
⚠️ This page may combine multiple inventors who share the name “LEWIS DERRICK W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HALLIBURTON ENERGY SERVICES INC

5 patents
US9702210B2Jul 11, 2017

Wellbore drilling using dual drill string

HALLIBURTON ENERGY SERVICES INC12 citations76
US10294741B2May 21, 2019

Mitigating swab and surge piston effects in wellbores

HALLIBURTON ENERGY SERVICES INC2 citations69
US10260307B2Apr 16, 2019

Drill tool insert removal

HALLIBURTON ENERGY SERVICES INC2 citations69
US10612336B2Apr 7, 2020

Rotating control device

HALLIBURTON ENERGY SERVICES INC3 citations63
US10161205B2Dec 25, 2018

Mitigating swab and surge piston effects across a drilling motor

HALLIBURTON ENERGY SERVICES INC0 citations48

HALLIBURTON ENERGY SERV INC

1 patent
US6962215B2Nov 8, 2005

Underbalanced well completion

HALLIBURTON ENERGY SERV INC28 citations90

GODFREY CRAIG W

1 patent
US9260934B2Feb 16, 2016

Remote operation of a rotating control device bearing clamp

GODFREY CRAIG W11 citations79

CURTIS FREDRICK D

1 patent
US9169700B2Oct 27, 2015

Pressure control device with remote orientation relative to a rig

CURTIS FREDRICK D12 citations75

LINDE LEONARD CHARLES

1 patent
US8739863B2Jun 3, 2014

Remote operation of a rotating control device bearing clamp

LINDE LEONARD CHARLES8 citations71

LOVORN JAMES R

1 patent
US9605507B2Mar 28, 2017

High temperature drilling with lower temperature rated tools

LOVORN JAMES R2 citations68

LEWIS DERRICK W

1 patent
US9279298B2Mar 8, 2016

Well control systems and methods

LEWIS DERRICK W5 citations63