WD

William John Darnell

PS Petroquip Energy Services: 20 patents #1 of 16Top 7%
PS Packers Plus Energy Service: 1 patents #15 of 30Top 50%
📍 Cypress, TX: #56 of 1,064 inventorsTop 6%
🗺 Texas: #5,702 of 125,132 inventorsTop 5%
Overall (All Time): #184,504 of 4,157,543Top 5%
23
Patents All Time

Issued Patents All Time

Showing 1–23 of 23 patents

Patent #TitleCo-InventorsDate
10443347 Downhole completion tool Kevin Scott Kippola, Tracy Dean Blanton, Todd Ulrich Chretien 2019-10-15
10107074 Downhole completion tool Kevin Scott Kippola, Tracy Dean Blanton, Todd Ulrich Chretien 2018-10-23
9664008 Downhole completion tool Kevin Scott Kippola, Tracy Dean Blanton, Todd Ulrich Chretien 2017-05-30
9086286 Goggles for use in water Rodney Wayne Long, Aaron Robert Palaian, Trevor G. Grove 2015-07-21
8567509 Downhole tool Kevin Scott Kippola, Tracy Dean Blanton, Todd Ulrich Chretien, Rodney Wayne Long 2013-10-29
8251153 Control line feed through clamp Rodney Wayne Long, Charles David Wintill, William Ryle Darnell, Michael Chad Darby 2012-08-28
8220555 Downhole tool shifting mechanism and method for shifting a downhole tool Charles David Wintill, William Ryle Darnell, Rodney Wayne Long, Todd Ulrich Chretien 2012-07-17
8171998 System for controlling hydrocarbon bearing zones using a selectively openable and closable downhole tool Charles David Wintill, Rodney Wayne Long, Todd Ulrich Chretien, Tracy Dean Blanton, William Ryle Darnell 2012-05-08
8172000 Method for feeding control lines for drilling or workovers Rodney Wayne Long, Charles David Wintill, William Ryle Darnell, Michael Chad Darby 2012-05-08
8151891 Formation saver sub and method Charles David Wintill, Rodney Wayne Long 2012-04-10
8141648 Multiple-positioning mechanical shifting system and method Charles David Wintill, Rodney Wayne Long, Todd Ulrich Chretien 2012-03-27
7926569 Bypass device for wellbores Charles David Wintill, William Ryle Darnell, Rodney Wayne Long, Todd Ulrich Chretien 2011-04-19
7926580 Coiled tubing multi-zone jet frac system William Ryle Darnell, Todd Ulrich Chretien 2011-04-19
7926595 Filter sub Charles David Wintill, William Ryle Darnell, Rodney Wayne Long, Todd Ulrich Chretien 2011-04-19
7921922 Formation saver sub and method Charles David Wintill, Rodney Wayne Long 2011-04-12
7628211 Method of connecting control lines to well bore equipment for controlling a well on a batch basis Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, Michael Chad Darby 2009-12-08
7617875 Shifting apparatus and method Bryan Lane, William Tyler Livingston, Andrew Wee-Mien Wong 2009-11-17
7516783 Double pin connector and hydraulic connect with seal assembly Charles David Wintill, Rodney Wayne Long, William Ryle Darnell 2009-04-14
7464759 Method for flowing fluid into or from a well Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, Michael Chad Darby 2008-12-16
7428932 Completion system for a well Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, Michael Chad Darby 2008-09-30
7422065 System for controlling zones of fluid in and out of a wellbore Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, Michael Chad Darby 2008-09-09
7392839 Single line sliding sleeve downhole tool assembly Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, Michael Chad Darby 2008-07-01
7373970 Pin connector with seal assembly Charles David Wintill, Rodney Wayne Long, William Ryle Darnell, Michael Chad Darby 2008-05-20