Membership
Tour
Register
Log in
Enlarging drilled holes
Follow
Industry
CPC
E21B7/28
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
E21B7/00
Special methods or apparatus for drilling
Current Industry
E21B7/28
Enlarging drilled holes
Industries
Overview
Organizations
People
Information
Impact
Please log in for detailed analytics
Patents Grants
last 30 patents
Information
Patent Grant
Method of increasing well bottomhole resistance to destruction
Patent number
12,188,335
Issue date
Jan 7, 2025
PUBLICHNOE AKTSIONERNOE OBSCHESTVO “GAZPROM”
Aleksandr Mikhajlovich Svalov
E21 - EARTH DRILLING MINING
Information
Patent Grant
Disposal of high-level waste into deep salt formations
Patent number
12,162,051
Issue date
Dec 10, 2024
Henry Crichlow
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
Device and method for reaming a flight gap of a drill flight
Patent number
12,158,042
Issue date
Dec 3, 2024
Bauer Maschinen GmbH
Robert Dreier
E21 - EARTH DRILLING MINING
Information
Patent Grant
Devices, systems, and methods for expandable block sets
Patent number
12,116,845
Issue date
Oct 15, 2024
Schlumberger Technology Corporation
Philip Trunk
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hole opener
Patent number
12,071,816
Issue date
Aug 27, 2024
Precise Drilling Components Ltd
Cody D. Graham
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multi-activation reamer with activation confirmation
Patent number
12,060,794
Issue date
Aug 13, 2024
Halliburton Energy Services, Inc.
Daniel Seutter
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and system for mining
Patent number
12,031,382
Issue date
Jul 9, 2024
Novamera Inc.
Stephen Douglas Butt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutter head arrangement
Patent number
12,031,438
Issue date
Jul 9, 2024
MASTER SINKERS (PTY) LTD.
Nicolaas Bodenstein Goodwin
E21 - EARTH DRILLING MINING
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
Hole opener
Patent number
12,018,532
Issue date
Jun 25, 2024
Precise Drilling Components Ltd
Cody D. Graham
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
Eccentric reaming tool
Patent number
11,988,045
Issue date
May 21, 2024
Stabil Drill Specialties, L.L.C.
Sorin Gabriel Teodorescu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mechanical disconnect for rotation drive
Patent number
11,898,405
Issue date
Feb 13, 2024
The Charles Machine Works, Inc.
David L. Horst
E21 - EARTH DRILLING MINING
Information
Patent Grant
Large diameter water well control
Patent number
11,873,626
Issue date
Jan 16, 2024
Youngquist Brothers, LLC
Harvey Bruce Youngquist
E21 - EARTH DRILLING MINING
Information
Patent Grant
Multiport valve
Patent number
11,796,074
Issue date
Oct 24, 2023
Mogas Industries, Inc.
Alfred Lewis Anderson
C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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
Drill pipe or product line improved rollers and movement
Patent number
11,713,834
Issue date
Aug 1, 2023
Quanta Associates, L.P.
Pablo Esteban Guerra
E21 - EARTH DRILLING MINING
Information
Patent Grant
Horizontal directional reaming
Patent number
11,708,726
Issue date
Jul 25, 2023
Quanta Associates, L.P.
Pablo Guerra
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reducing friction in a drill string and cleaning a wellbore
Patent number
11,680,448
Issue date
Jun 20, 2023
Saudi Arabian Oil Company
Ahmad A. Amoudi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cutting head and method for horizontal directional tunneling
Patent number
11,608,685
Issue date
Mar 21, 2023
Charles E Kirk
E21 - EARTH DRILLING MINING
Information
Patent Grant
Eccentric reaming tool
Patent number
11,603,709
Issue date
Mar 14, 2023
Stabil Drill Specialties, L.L.C.
Sorin Gabriel Teodorescu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drillable centering guides used to drill a large diameter water well
Patent number
11,591,856
Issue date
Feb 28, 2023
Youngquist Brothers, LLC
Harvey Bruce Youngquist
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole device delivery and associated drive transfer system and m...
Patent number
11,578,550
Issue date
Feb 14, 2023
Reflex Instruments Asia Pacific Pty Ltd
Andrew Phillip Beach
E21 - EARTH DRILLING MINING
Information
Patent Grant
Horizontal directional reaming
Patent number
11,566,473
Issue date
Jan 31, 2023
Quanta Associates, L.P.
Pablo Guerra
E21 - EARTH DRILLING MINING
Information
Patent Grant
Reamer with cutting inserts for use in drilling operations
Patent number
11,549,312
Issue date
Jan 10, 2023
Duane Shotwell
E21 - EARTH DRILLING MINING
Information
Patent Grant
Marking and sensing a borehole wall
Patent number
11,542,805
Issue date
Jan 3, 2023
Schlumberger Technology Corporation
Jonathan D. Marshall
E21 - EARTH DRILLING MINING
Information
Patent Grant
Geologic disposal of uranium waste products
Patent number
11,508,489
Issue date
Nov 22, 2022
Henry Crichlow
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
Information
Patent Grant
Pulling product lines underground under obstacles including water b...
Patent number
11,499,373
Issue date
Nov 15, 2022
Quanta Associates, L.P.
Ronald G. Halderman
E21 - EARTH DRILLING MINING
Information
Patent Grant
Bi-directional “ream on clean” wellbore reamer tool
Patent number
11,459,829
Issue date
Oct 4, 2022
KP OILTECH INC.
Kaidel Martinez Sanchez
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore underreaming
Patent number
11,428,049
Issue date
Aug 30, 2022
Saudi Arabian Oil Company
Ossama R. Sehsah
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
HYBRID MILLING HIGH POWER LASER TOOL
Publication number
20250027371
Publication date
Jan 23, 2025
Saudi Arabian Oil Company
Abdullah M. Alharith
E21 - EARTH DRILLING MINING
Information
Patent Application
MULTI-FUNCTIONAL WELLBORE CONDITIONING SYSTEM
Publication number
20250020026
Publication date
Jan 16, 2025
EUROPEAN DRILLING PROJECTS B.V.
Tony FITZGERALD
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR MINING
Publication number
20240337161
Publication date
Oct 10, 2024
NOVAMERA INC.
Stephen Douglas Butt
E21 - EARTH DRILLING MINING
Information
Patent Application
MECHANICAL DISCONNECT FOR ROTATION DRIVE
Publication number
20240151112
Publication date
May 9, 2024
The Charles Machine Works, Inc.
David L. Horst
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICES, SYSTEMS, AND METHODS FOR EXPANDABLE BLOCK SETS
Publication number
20240068300
Publication date
Feb 29, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Philip TRUNK
E21 - EARTH DRILLING MINING
Information
Patent Application
Multi-Activation Reamer With Activation Confirmation
Publication number
20240052706
Publication date
Feb 15, 2024
Halliburton Energy Services, Inc.
Daniel Seutter
E21 - EARTH DRILLING MINING
Information
Patent Application
DEVICE AND METHOD FOR REAMING A FLIGHT GAP OF A DRILL FLIGHT
Publication number
20230417108
Publication date
Dec 28, 2023
Bauer Maschinen GmbH
Robert DREIER
E21 - EARTH DRILLING MINING
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
SYSTEM AND METHOD OF USING A THERMOPLASTIC CASING IN A WELLBORE
Publication number
20230272702
Publication date
Aug 31, 2023
Ur-Energy USA Inc.
Steven M. Hatten
E21 - EARTH DRILLING MINING
Information
Patent Application
WEAR SUPPORT ASSEMBLIES FOR RAISE BORING TOOLS
Publication number
20230212916
Publication date
Jul 6, 2023
SANDVIK MINING AND CONSTRUCTION TOOLS AB
Anders LINDBLOM
E21 - EARTH DRILLING MINING
Information
Patent Application
HYBRID DRILLING AND TRIMMING TOOL AND METHODS
Publication number
20230193696
Publication date
Jun 22, 2023
Saudi Arabian Oil Company
Sameeh Issa Batarseh
E21 - EARTH DRILLING MINING
Information
Patent Application
HOLE OPENER
Publication number
20230184040
Publication date
Jun 15, 2023
Precise Drilling Components Ltd
Cody D. Graham
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
Eccentric Reaming Tool
Publication number
20230094335
Publication date
Mar 30, 2023
Sorin Gabriel Teodorescu
E21 - EARTH DRILLING MINING
Information
Patent Application
Stall Control System for Raise Drills and Raise Boring Machines
Publication number
20220389764
Publication date
Dec 8, 2022
Redpath Canada Limited
Michael John KELLY
E21 - EARTH DRILLING MINING
Information
Patent Application
WELLBORE REAMING SYSTEMS AND DEVICES
Publication number
20220325585
Publication date
Oct 13, 2022
Extreme Technologies, LLC
Joseph Aschenbrenner
E21 - EARTH DRILLING MINING
Information
Patent Application
MECHANICAL DISCONNECT FOR ROTATION DRIVE
Publication number
20220307334
Publication date
Sep 29, 2022
The Charles Machine Works, Inc.
David L. Horst
E21 - EARTH DRILLING MINING
Information
Patent Application
BI-DIRECTIONAL "REAM ON CLEAN'' WELLBORE REAMER TOOL
Publication number
20220298865
Publication date
Sep 22, 2022
KP Oiltech Inc.
Kaidel Martinez Sanchez
E21 - EARTH DRILLING MINING
Information
Patent Application
DIRECTIONAL BORING SYSTEMS AND METHODS
Publication number
20220259925
Publication date
Aug 18, 2022
OverReam Inc.
James Anthony Tibban
E21 - EARTH DRILLING MINING
Information
Patent Application
Horizontal Directional Reaming
Publication number
20220228441
Publication date
Jul 21, 2022
QUANTA ASSOCIATES, L.P.
Pablo Guerra
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
Method and System for Mining
Publication number
20220154567
Publication date
May 19, 2022
NOVAMERA INC.
Stephen Douglas Butt
E21 - EARTH DRILLING MINING
Information
Patent Application
Cutting Head and Method for Horizontal Directional Tunneling
Publication number
20220136330
Publication date
May 5, 2022
Charles E. Kirk
E21 - EARTH DRILLING MINING
Information
Patent Application
REDUCING FRICTION IN A DRILL STRING AND CLEANING A WELLBORE
Publication number
20220090450
Publication date
Mar 24, 2022
Saudi Arabian Oil Company
Ahmad A. Amoudi
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLABLE ADAPTIVE TURBINE GUIDE SHOE
Publication number
20220081973
Publication date
Mar 17, 2022
Yangtze University
Ding Feng
E21 - EARTH DRILLING MINING
Information
Patent Application
WELLBORE UNDERREAMING
Publication number
20220074269
Publication date
Mar 10, 2022
Saudi Arabian Oil Company
Ossama R. Sehsah
E21 - EARTH DRILLING MINING
Information
Patent Application
CUTTER HEAD ARRANGEMENT
Publication number
20220056801
Publication date
Feb 24, 2022
MASTER SINKERS (PTY) LTD.
Nicolaas Bodenstein GOODWIN
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR REAMING WELL BORE SURFACES NEARER THE CENT...
Publication number
20220025711
Publication date
Jan 27, 2022
Extreme Technologies, LLC
Lot William Short
E21 - EARTH DRILLING MINING
Information
Patent Application
Reamer Wear Protection Assembly and Method
Publication number
20210372202
Publication date
Dec 2, 2021
Inrock Drilling Systems, Inc.
David B. Wagner
E21 - EARTH DRILLING MINING
Information
Patent Application
CONSTRUCTION METHOD FOR POURING CONCRETE IN KARST CAVE
Publication number
20210292987
Publication date
Sep 23, 2021
GUANGZHOU INSTITUTE OF BUILDING SCIENCE CO.,LTD.
Mengxiong TANG
E21 - EARTH DRILLING MINING