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cutter shifted by fluid pressure
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CPC
E21B10/345
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B10/00
Drill bits
Current Industry
E21B10/345
cutter shifted by fluid pressure
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Radial cutting assembly for drilling tool
Patent number
12,018,530
Issue date
Jun 25, 2024
Allen Kent Rives
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rock crushing unit for widening a pilot hole made on rocky terrain
Patent number
12,006,823
Issue date
Jun 11, 2024
HPM HYDRAULIC PERFORMANCE MACHINES S.r.l.
Giuseppe Cartechini
E21 - EARTH DRILLING MINING
Information
Patent Grant
Underreamer
Patent number
11,767,715
Issue date
Sep 26, 2023
Transco Manufacturing Australia Pty Ltd
Roy Estes
E21 - EARTH DRILLING MINING
Information
Patent Grant
Deploying material to limit losses of drilling fluid in a wellbore
Patent number
11,643,878
Issue date
May 9, 2023
Saudi Arabian Oil Company
Bodong Li
E21 - EARTH DRILLING MINING
Information
Patent Grant
Packer apparatus and method of sealing well casing
Patent number
RE49029
Issue date
Apr 12, 2022
Paul Bernard Lee
Information
Patent Grant
Packer apparatus
Patent number
RE49028
Issue date
Apr 12, 2022
Paul Bernard Lee
Information
Patent Grant
Compression-set straddle packer with fluid pressure-boosted packer set
Patent number
11,035,189
Issue date
Jun 15, 2021
EXACTA-FRAC ENERGY SERVICES, INC.
Joze John Hrupp
E21 - EARTH DRILLING MINING
Information
Patent Grant
Opening a wellbore with a smart hole-opener
Patent number
10,689,914
Issue date
Jun 23, 2020
Saudi Arabian Oil Company
Victor Carlos Costa de Oliveira
E21 - EARTH DRILLING MINING
Information
Patent Grant
Supporting a string within a wellbore with a smart stabilizer
Patent number
10,689,913
Issue date
Jun 23, 2020
Saudi Arabian Oil Company
Victor Carlos Costa de Oliveira
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole perforating tools and methods
Patent number
10,655,438
Issue date
May 19, 2020
Paul Bernard Lee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore tool reamer assembly
Patent number
10,501,996
Issue date
Dec 10, 2019
Halliburton Energy Services, Inc.
Olivier Mageren
E21 - EARTH DRILLING MINING
Information
Patent Grant
Packer apparatus and method of sealing well casing
Patent number
9,869,163
Issue date
Jan 16, 2018
Paul Bernard Lee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole perforating tool and method of use
Patent number
9,598,939
Issue date
Mar 21, 2017
Paul Bernard Lee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Packer apparatus
Patent number
9,187,989
Issue date
Nov 17, 2015
Paul Bernard Lee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole expandable roller bearing apparatus
Patent number
9,181,755
Issue date
Nov 10, 2015
Paul Bernard Lee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Expandable downhole tool apparatus
Patent number
9,133,666
Issue date
Sep 15, 2015
Paul Bernard Lee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit
Patent number
7,195,085
Issue date
Mar 27, 2007
Weatherford/Lamb, Inc.
Giancarlo T. Pia
E21 - EARTH DRILLING MINING
Information
Patent Grant
Modular system for a back reamer and method
Patent number
7,152,702
Issue date
Dec 26, 2006
Smith International, Inc.
Amol Bhome
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Drilling apparatus
Patent number
6,959,774
Issue date
Nov 1, 2005
Alan L. Nackerud
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for enlarging well bores
Patent number
6,695,074
Issue date
Feb 24, 2004
Alan L. Nackerud
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drill bit assembly having pivotal cutter blades
Patent number
6,691,803
Issue date
Feb 17, 2004
Alan L. Nackerud
E21 - EARTH DRILLING MINING
Information
Patent Grant
Replaceable drill bit assembly
Patent number
6,454,024
Issue date
Sep 24, 2002
Alan L. Nackerud
E21 - EARTH DRILLING MINING
Information
Patent Grant
Remotely operable hydraulic underreamer
Patent number
6,378,632
Issue date
Apr 30, 2002
Smith International, Inc.
Charles H. Dewey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Integrated directional under-reamer and stabilizer
Patent number
6,059,051
Issue date
May 9, 2000
Baker Hughes Incorporated
Donald Jewkes
E21 - EARTH DRILLING MINING
Information
Patent Grant
Underreaming method
Patent number
5,590,724
Issue date
Jan 7, 1997
Russian-American Technology Alliance, Inc.
Alexander V. Verdgikovsky
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well completion tool and process
Patent number
5,531,273
Issue date
Jul 2, 1996
Bestline Liner Systems
Richard M. Dobson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well completion tool and process
Patent number
5,425,423
Issue date
Jun 20, 1995
Bestline Liner Systems
Richard M. Dobson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Process and apparatus for completing a well in an unconsolidated fo...
Patent number
5,255,741
Issue date
Oct 26, 1993
Mobil Oil Corporation
Steve L. Alexander
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well reamer
Patent number
5,184,687
Issue date
Feb 9, 1993
Gabdrashit S. Abdrakhmanov
E21 - EARTH DRILLING MINING
Information
Patent Grant
Combined drill and underreamer tool
Patent number
5,139,098
Issue date
Aug 18, 1992
John Blake
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
ADJUSTABLE DRILL STRING REAMER
Publication number
20230279729
Publication date
Sep 7, 2023
Saudi Arabian Oil Company
Abdullah Mohammed Aldejani
E21 - EARTH DRILLING MINING
Information
Patent Application
RADIAL CUTTING ASSEMBLY FOR DRILLING TOOL
Publication number
20230167691
Publication date
Jun 1, 2023
Allen Kent RIVES
E21 - EARTH DRILLING MINING
Information
Patent Application
A ROCK CRUSHING UNIT FOR WIDENING A PILOT HOLE MADE ON ROCKY TERRAIN
Publication number
20220170326
Publication date
Jun 2, 2022
HPM-HYDRAULIC PERFORMANCE MACHINES SRL
GIUSEPPE CARTECHINI
E21 - EARTH DRILLING MINING
Information
Patent Application
SUPPORTING A STRING WITHIN A WELLBORE WITH A SMART STABILIZER
Publication number
20190292897
Publication date
Sep 26, 2019
Saudi Arabian Oil Company
Victor Carlos Costa de Oliveira
E21 - EARTH DRILLING MINING
Information
Patent Application
OPENING A WELLBORE WITH A SMART HOLE-OPENER
Publication number
20190292896
Publication date
Sep 26, 2019
Saudi Arabian Oil Company
Victor Carlos Costa de Oliveira
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOLS
Publication number
20180119528
Publication date
May 3, 2018
Paul Bernard Lee
E21 - EARTH DRILLING MINING
Information
Patent Application
WELLBORE TOOL REAMER ASSEMBLY
Publication number
20170350194
Publication date
Dec 7, 2017
Halliburton Energy Services, Inc.
Olivier Mageren
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TRACTION
Publication number
20130333949
Publication date
Dec 19, 2013
Neil Andrew Abercrombie Simpson
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOLS
Publication number
20130175035
Publication date
Jul 11, 2013
Paul Bernard Lee
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE EXPANDABLE ROLLER BEARING APPARATUS
Publication number
20120175168
Publication date
Jul 12, 2012
Paul Bernard Lee
E21 - EARTH DRILLING MINING
Information
Patent Application
EXPANDABLE DOWNHOLE TOOL APPARATUS
Publication number
20120168229
Publication date
Jul 5, 2012
Paul Bernard Lee
E21 - EARTH DRILLING MINING
Information
Patent Application
Drilling apparatus
Publication number
20030192719
Publication date
Oct 16, 2003
Alan L. Nackerud
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill bits
Publication number
20030111267
Publication date
Jun 19, 2003
Giancarlo T. Pia
E21 - EARTH DRILLING MINING
Information
Patent Application
Drill bit assembly having pivotal cutter blades
Publication number
20020050409
Publication date
May 2, 2002
Alan L. Nackerud
E21 - EARTH DRILLING MINING
Information
Patent Application
Method and apparatus for enlarging well bores
Publication number
20020050408
Publication date
May 2, 2002
Alan L. Nackerud
E21 - EARTH DRILLING MINING