Membership
Tour
Register
Log in
William J. Darnell
Follow
Person
Houston, TX, US
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Control line feed through clamp
Patent number
8,251,153
Issue date
Aug 28, 2012
Petroquip Energy Services, LLP
Rodney Wayne Long
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole tool shifting mechanism and method for shifting a downhole...
Patent number
8,220,555
Issue date
Jul 17, 2012
Petroquip Energy Services, LLP
Charles David Wintill
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for controlling hydrocarbon bearing zones using a selectivel...
Patent number
8,171,998
Issue date
May 8, 2012
Petroquip Energy Services, LLP
William John Darnell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for feeding control lines for drilling or workovers
Patent number
8,172,000
Issue date
May 8, 2012
Petroquip Energy Services, LLP
Rodney Wayne Long
E21 - EARTH DRILLING MINING
Information
Patent Grant
Formation saver sub and method
Patent number
8,151,891
Issue date
Apr 10, 2012
PetroQuip Energy Services, LP
William J. Darnell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multiple-positioning mechanical shifting system and method
Patent number
8,141,648
Issue date
Mar 27, 2012
PetroQuip Energy Services, LP
William John Darnell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Coiled tubing multi-zone jet frac system
Patent number
7,926,580
Issue date
Apr 19, 2011
Petroquip Energy Services, LLP
William Ryle Darnell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bypass device for wellbores
Patent number
7,926,569
Issue date
Apr 19, 2011
Petroquip Energy Services, LLP
Charles David Wintill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Filter sub
Patent number
7,926,595
Issue date
Apr 19, 2011
Petroquip Energy Services, LLP
Charles David Wintill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Formation saver sub and method
Patent number
7,921,922
Issue date
Apr 12, 2011
PetroQuip Energy Services, LP
William J. Darnell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method of connecting control lines to well bore equipment for contr...
Patent number
7,628,211
Issue date
Dec 8, 2009
Petroquip Energy Services, LLP
Charles David Wintill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Shifting apparatus and method
Patent number
7,617,875
Issue date
Nov 17, 2009
Petroquip Energy Services, LLP
William J. Darnell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Double pin connector and hydraulic connect with seal assembly
Patent number
7,516,783
Issue date
Apr 14, 2009
Petroquip Energy Services, LLP
Charles David Wintill
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Method for flowing fluid into or from a well
Patent number
7,464,759
Issue date
Dec 16, 2008
Petroquip Energy Services, LLP
Charles David Wintill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Completion system for a well
Patent number
7,428,932
Issue date
Sep 30, 2008
Petroquip Energy Services, LLP
Charles David Wintill
E21 - EARTH DRILLING MINING
Information
Patent Grant
System for controlling zones of fluid in and out of a wellbore
Patent number
7,422,065
Issue date
Sep 9, 2008
Petroquip Energy Services, LLP
Charles David Wintill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Single line sliding sleeve downhole tool assembly
Patent number
7,392,839
Issue date
Jul 1, 2008
Petroquip Energy Services, LLP
Charles David Wintill
E21 - EARTH DRILLING MINING
Information
Patent Grant
Pin connector with seal assembly
Patent number
7,373,970
Issue date
May 20, 2008
Petroquip Energy Services, LLP
Charles David Wintill
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Multiple-Positioning Mechanical Shifting System and Method
Publication number
20100282475
Publication date
Nov 11, 2010
PetroQuip Energy Services, LP
William John Darnell
E21 - EARTH DRILLING MINING
Information
Patent Application
Formation saver sub and method
Publication number
20100032155
Publication date
Feb 11, 2010
PetroQuip Energy Services, LP
William J. Darnell
E21 - EARTH DRILLING MINING
Information
Patent Application
DOUBLE PIN CONNECTOR AND HYDRAULIC CONNECT WITH SEAL ASSEMBLY
Publication number
20080317547
Publication date
Dec 25, 2008
PETROQUIP ENERGY SERVICES, LLP
Charles David Wintill
E21 - EARTH DRILLING MINING
Information
Patent Application
Shifting apparatus and method
Publication number
20080257558
Publication date
Oct 23, 2008
William J. Darnell
E21 - EARTH DRILLING MINING