Inventor

DELZELL CHRISTOPHER ROBERT

US7 patents

Patents

7 patents

US9115565B1Aug 25, 2015

Gravel pack circulating sleeve with locking features

HALLIBURTON ENERGY SERVICES INC13 citations82

US9416616B2Aug 16, 2016

Assisting retrieval of a downhole tool

HALLIBURTON ENERGY SERVICES INC3 citations71

US9896895B2Feb 20, 2018

Annulus pressure release running tool

HALLIBURTON ENERGY SERVICES INC6 citations69

US10947799B2Mar 16, 2021

Anti-preset mechanism for setting piston in downhole tools

HALLIBURTON ENERGY SERVICES INC3 citations68

US9816330B2Nov 14, 2017

Multiple control line travel joint with injection line capability

HALLIBURTON ENERGY SERVICES INC1 citations50

US9714553B2Jul 25, 2017

Assisting retrieval of a downhole tool

HALLIBURTON ENERGY SERVICES INC0 citations50

US10876365B2Dec 29, 2020

Adjustable and redressable collet

HALLIBURTON ENERGY SERVICES INC0 citations46