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Industry
CPC
E21B33/1265
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B33/00
Sealing or packing boreholes or wells
Current Industry
E21B33/1265
with mechanical slips
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Downhole tool securing device and frac plug
Patent number
12,110,758
Issue date
Oct 8, 2024
Kureha Corporation
Shinnosuke Yoshida
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well tool device for transporting a heat generating mixture into a...
Patent number
12,098,611
Issue date
Sep 24, 2024
Interwell Norway AS
Espen Hiorth
E21 - EARTH DRILLING MINING
Information
Patent Grant
Metal to metal tubular connection with controlled support structure
Patent number
11,859,461
Issue date
Jan 2, 2024
Halliburton Energy Services, Inc.
Anthony Phan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dissolvable composite slips and methods of manufacturing same
Patent number
10,544,645
Issue date
Jan 28, 2020
CNPC USA Corporation
Jianhui Xu
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Gripping apparatus and associated methods of manufacturing
Patent number
10,472,911
Issue date
Nov 12, 2019
Weatherford Technology Holdings, LLC
David W. Teale
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole casing pulling tool
Patent number
10,458,196
Issue date
Oct 29, 2019
Weatherford Technology Holdings, LLC
William Allen Schultz
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and systems for a bridge plug
Patent number
10,352,124
Issue date
Jul 16, 2019
Vertice Oil Tools
Mohamed Saraya
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole fishing tool and method of use
Patent number
10,145,197
Issue date
Dec 4, 2018
Jeffrey J. Brown
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole fishing tool and method of use
Patent number
9,945,199
Issue date
Apr 17, 2018
Jeffrey J. Brown
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole fishing tool and method of use
Patent number
9,528,339
Issue date
Dec 27, 2016
Jeffrey J. Brown
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole apparatus with packer cup and slip
Patent number
8,893,780
Issue date
Nov 25, 2014
Donald Roy Greenlee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Frangible slip for downhole tools
Patent number
8,794,309
Issue date
Aug 5, 2014
Baker Hughes Incorporated
Edward J. O'Malley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fill up and circulating tool with well control feature
Patent number
8,770,275
Issue date
Jul 8, 2014
Albert A. Mullins
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole apparatus with packer cup and slip
Patent number
8,336,635
Issue date
Dec 25, 2012
Donald Roy Greenlee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole apparatus with packer cup and slip
Patent number
8,113,276
Issue date
Feb 14, 2012
Donald Roy Greenlee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual-stage valve straddle packer for selective stimulation of wells
Patent number
7,789,163
Issue date
Sep 7, 2010
Extreme Energy Solutions, Inc.
Robert Kratochvil
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multi-zone isolation tool and method of stimulating and testing a s...
Patent number
6,315,041
Issue date
Nov 13, 2001
Stephen L. Carlisle
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus to isolate a specific zone
Patent number
6,050,336
Issue date
Apr 18, 2000
Baker Hughes Incorporated
Darrin L. Willauer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multiple cup bridge plug for sealing a well casing and method
Patent number
5,010,958
Issue date
Apr 30, 1991
Schlumberger Technology Corporation
Dale E. Meek
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subterranean well tool with pressure-equalizing release
Patent number
4,586,567
Issue date
May 6, 1986
Baker Oil Tools, Inc.
Robert C. Jameson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mechanical wireline borehole packer
Patent number
4,482,013
Issue date
Nov 13, 1984
Norton Christensen, Inc.
Larry R. Fulkerson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subterranean well tool with pressure equalizing release
Patent number
4,460,041
Issue date
Jul 17, 1984
Baker Oil Tools, Inc.
William O. Berryman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Slip assembly for hydraulic pipe testing
Patent number
4,444,254
Issue date
Apr 24, 1984
Lloyd C. Rathburn
E21 - EARTH DRILLING MINING
Information
Patent Grant
Frangible cup thermal packer assembly for cased wells
Patent number
4,385,664
Issue date
May 31, 1983
Chevron Research Company
Stanley O. Hutchison
E21 - EARTH DRILLING MINING
Information
Patent Grant
Conductor pipe plug
Patent number
4,262,702
Issue date
Apr 21, 1981
Halliburton Company
Steven G. Streich
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
3554279
Patent number
3,554,279
Issue date
Jan 12, 1971
E21 - EARTH DRILLING MINING
Information
Patent Grant
3548936
Patent number
3,548,936
Issue date
Dec 22, 1970
E21 - EARTH DRILLING MINING
Information
Patent Grant
3526277
Patent number
3,526,277
Issue date
Sep 1, 1970
E21 - EARTH DRILLING MINING
Information
Patent Grant
3509940
Patent number
3,509,940
Issue date
May 5, 1970
E21 - EARTH DRILLING MINING
Information
Patent Grant
3500909
Patent number
3,500,909
Issue date
Mar 17, 1970
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
GEOTHERMAL SYSTEM MATERIALS
Publication number
20240175332
Publication date
May 30, 2024
MULTISCALE SYSTEMS, INC.
Jesse SILVERBERG
E21 - EARTH DRILLING MINING
Information
Patent Application
PACKER SYSTEM, AND PROCESS TO SETTLE AND RETRIEVE
Publication number
20240060387
Publication date
Feb 22, 2024
JP INTERNATIONAL BUSINESS LLC
Jesus MALAVE
E21 - EARTH DRILLING MINING
Information
Patent Application
WELL TOOL DEVICE FOR TRANSPORTING A HEAT GENERATING MIXTURE INTO A...
Publication number
20230374883
Publication date
Nov 23, 2023
Interwell Norway AS
Espen Hiorth
E21 - EARTH DRILLING MINING
Information
Patent Application
Metal To Metal Tubular Connection With Controlled Support Structure
Publication number
20230313634
Publication date
Oct 5, 2023
Halliburton Energy Services, Inc.
Anthony Phan
E21 - EARTH DRILLING MINING
Information
Patent Application
SINGLE-CONE BIDIRECTIONAL SLIP SYSTEM
Publication number
20190078415
Publication date
Mar 14, 2019
BAKER HUGHES, A GE COMPANY, LLC
Yash Parekh
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE CASING PULLING TOOL
Publication number
20180258734
Publication date
Sep 13, 2018
Weatherford Technology Holdings, LLC.
William Allen Schultz
E21 - EARTH DRILLING MINING
Information
Patent Application
DISSOLVABLE COMPOSITE SLIPS AND METHODS OF MANUFACTURING SAME
Publication number
20180087345
Publication date
Mar 29, 2018
CNPC USA CORPORATION
Jianhui Xu
B32 - LAYERED PRODUCTS
Information
Patent Application
DOWNHOLE FISHING TOOL AND METHOD OF USE
Publication number
20170044860
Publication date
Feb 16, 2017
JEFFREY BROWN
E21 - EARTH DRILLING MINING
Information
Patent Application
FRANGIBLE SLIP FOR DOWNHOLE TOOLS
Publication number
20130020071
Publication date
Jan 24, 2013
Edward J. O'Malley
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Apparatus with Packer Cup and Slip
Publication number
20120080202
Publication date
Apr 5, 2012
Donald Roy Greenlee
E21 - EARTH DRILLING MINING
Information
Patent Application
Fill Up and Circulating Tool with Well Control Feature
Publication number
20120080182
Publication date
Apr 5, 2012
Albert Augustus Mullins
E21 - EARTH DRILLING MINING
Information
Patent Application
Downhole Apparatus with Packer Cup and Slip
Publication number
20110308820
Publication date
Dec 22, 2011
Donald Roy Greenlee
E21 - EARTH DRILLING MINING
Information
Patent Application
Apparatus and method for treating zones in a wellbore
Publication number
20100200218
Publication date
Aug 12, 2010
Troy Palidwar
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE APPARATUS WITH PACKER CUP AND SLIP
Publication number
20100101807
Publication date
Apr 29, 2010
Donald Roy Greenlee
E21 - EARTH DRILLING MINING
Information
Patent Application
Dual-stage valve straddle packer for selective stimulation of wells
Publication number
20090159299
Publication date
Jun 25, 2009
Robert Kratochvil
E21 - EARTH DRILLING MINING