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David A. Howell
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Houston, TX, US
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Patents Grants
last 30 patents
Information
Patent Grant
Hydrocarbon wells including gas lift valves and methods of providin...
Patent number
11,326,426
Issue date
May 10, 2022
ExxonMobil Upstream Research Company
David A. Howell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for monitoring post-stimulation operations throug...
Patent number
11,293,280
Issue date
Apr 5, 2022
ExxonMobil Upstream Research Company
Xiaohua Yi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for performing wireless ultrasonic communications...
Patent number
10,837,276
Issue date
Nov 17, 2020
ExxonMobil Upstream Research Company
Limin Song
E21 - EARTH DRILLING MINING
Information
Patent Grant
Injection flow control device and method
Patent number
10,711,581
Issue date
Jul 14, 2020
ExxonMobil Upstream Research Company
Jing Ning
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydrocarbon wells and methods for identifying production from a reg...
Patent number
10,711,595
Issue date
Jul 14, 2020
ExxonMobil Upstream Research Company
Brent D. Wheelock
G01 - MEASURING TESTING
Information
Patent Grant
Apparatus and method for relieving annular pressure in a wellbore u...
Patent number
9,816,373
Issue date
Nov 14, 2017
ExxonMobil Upstream Research Company
David A. Howell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sand control screen having improved reliability
Patent number
9,725,989
Issue date
Aug 8, 2017
ExxonMobil Upstream Research Company
Christian S. Mayer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Combined anti-rotation apparatus and pressure test tool
Patent number
9,638,005
Issue date
May 2, 2017
ExxonMobil Upstream Research Company
David A. Howell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluid filtering device for a wellbore and method for completing a w...
Patent number
9,593,559
Issue date
Mar 14, 2017
ExxonMobil Upstream Research Company
Charles S. Yeh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore apparatus and methods for zonal isolations and flow control
Patent number
9,303,485
Issue date
Apr 5, 2016
Exxonmobil Upstream Research Company
Michael T. Hecker
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Hydrocarbon Wells Including Gas Lift Valves and Methods of Providin...
Publication number
20200378223
Publication date
Dec 3, 2020
ExxonMobil Upstream Research Company
David A. Howell
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and System for Monitoring Post-Stimulation Operations Throug...
Publication number
20200200003
Publication date
Jun 25, 2020
ExxonMobil Upstream Research Company
Xiaohua YI
E21 - EARTH DRILLING MINING
Information
Patent Application
Hydrocarbon Wells and Methods for Identifying Production From a Reg...
Publication number
20200018154
Publication date
Jan 16, 2020
Brent D. Wheelock
G01 - MEASURING TESTING
Information
Patent Application
Coiled Tubing Assembly
Publication number
20190316444
Publication date
Oct 17, 2019
Pavlin B. Entchev
E21 - EARTH DRILLING MINING
Information
Patent Application
METHODS AND SYSTEMS FOR MONITORING AND OPTIMIZING RESERVOIR STIMULA...
Publication number
20190203574
Publication date
Jul 4, 2019
Xiaohua Yi
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and System for Performing Wireless Ultrasonic Communications...
Publication number
20190112919
Publication date
Apr 18, 2019
Limin Song
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Injection Flow Control Device and Method
Publication number
20180030812
Publication date
Feb 1, 2018
Jing Ning
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and Method for Relieving Annular Pressure in a Wellbore U...
Publication number
20150285065
Publication date
Oct 8, 2015
David A. Howell
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD OF INJECTING A PROPPANT MIXTURE DURING FRACTURING
Publication number
20150167441
Publication date
Jun 18, 2015
David A. Howell
E21 - EARTH DRILLING MINING
Information
Patent Application
Combined Anti-Rotation Apparatus and Pressure Test Tool
Publication number
20140367093
Publication date
Dec 18, 2014
David A. Howell
E21 - EARTH DRILLING MINING
Information
Patent Application
Sand Control Screen Having Improved Reliability
Publication number
20140262260
Publication date
Sep 18, 2014
Christian S. Mayer
E21 - EARTH DRILLING MINING
Information
Patent Application
Fluid Filtering Device for a Wellbore and Method for Completing a W...
Publication number
20140231083
Publication date
Aug 21, 2014
Charles S. Yeh
E21 - EARTH DRILLING MINING
Information
Patent Application
Wellbore Apparatus and Methods For Zonal Isolations and Flow Contgrol
Publication number
20130248178
Publication date
Sep 26, 2013
Michael T. Hecker
E21 - EARTH DRILLING MINING