Drill bits with leading portion, i.e. drill bits with a pilot cutter Drill bits for enlarging the borehole

Industry

CPC
E21B10/26

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B10/00Drill bits

Current Industry

E21B10/26Drill bits with leading portion, i.e. drill bits with a pilot cutter Drill bits for enlarging the borehole

Industries

Patents Grantslast 30 patents

Information Patent Grant
Particle impact drill bits and associated methods
- Patent number 12,140,027
- Issue date Nov 12, 2024
- National-Oilwell Varco, L.P.
- Tony P. Pink
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole cutting tool having cutting element with nonplanar face to...
- Patent number 12,078,016
- Issue date Sep 3, 2024
- Schlumberger Technology Corporation
- Manoj Mahajan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Whipstock for use with a mill bit including varying material remova...
- Patent number 12,071,815
- Issue date Aug 27, 2024
- Halliburton Energy Services, Inc.
- Wesley P. Dietz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multifunctional drilling enhancement tool and method
- Patent number 12,054,996
- Issue date Aug 6, 2024
- King Abdullah University of Science and Technology
- Shehab Ahmed Mohamed Ahmed Elsayed
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill assembly and method of using same
- Patent number 12,037,903
- Issue date Jul 16, 2024
- ORYC DRILL MANUFACTURING (PTY) LTD
- Nicolas Jacobus Bischoff
- E21 - EARTH DRILLING MINING
Information Patent Grant
Auger-suction type metro jet system (MJS) device for aerated and li...
- Patent number 12,037,763
- Issue date Jul 16, 2024
- HANGZHOU CITY UNIVERSITY
- Lisha Zhang
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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
Excavation boring and shoring method and equipment
- Patent number 11,988,044
- Issue date May 21, 2024
- Ted R. Dimitroff
- 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
Modular reamer
- Patent number 11,939,818
- Issue date Mar 26, 2024
- T.J. TECHNOLOGY 2020 INC.
- Laurier E. Comeau
- E21 - EARTH DRILLING MINING
Information Patent Grant
Mill bit including varying material removal rates
- Patent number 11,939,819
- Issue date Mar 26, 2024
- Halliburton Energy Services, Inc.
- Wesley P. Dietz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Modified whipstock design integrating cleanout and setting mechanisms
- Patent number 11,933,174
- Issue date Mar 19, 2024
- Saudi Arabian Oil Company
- Ahmed Abdulaziz Al-Mousa
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for deploying and cementing liners across chal...
- Patent number 11,913,297
- Issue date Feb 27, 2024
- Saudi Arabian Oil Company
- Abdullah H. Alotaibi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling and milling tool
- Patent number 11,913,284
- Issue date Feb 27, 2024
- Altus Intervention (Technologies) AS
- Martin Spinnangr
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulically driven rotating string reamer and methods
- Patent number 11,905,794
- Issue date Feb 20, 2024
- Saudi Arabian Oil Company
- Salem Alharbi
- E21 - EARTH DRILLING MINING
Information Patent Grant
HDD reamer having removable cutting teeth
- Patent number 11,891,859
- Issue date Feb 6, 2024
- Vermeer Manufacturing Company
- Jacob Richard Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Underground drill rig and systems and methods of using same
- Patent number 11,873,714
- Issue date Jan 16, 2024
- Longyear TM, Inc.
- Paul Clausen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling assembly for removal of an obstacle in a conduit
- Patent number 11,867,014
- Issue date Jan 9, 2024
- Altus Intervention (Technologies) AS
- Kristine Falk Gabrielsen
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole tool
- Patent number 11,859,459
- Issue date Jan 2, 2024
- Welltec A/S
- Jørgen Hallundbæk
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods and apparatus for printing a wellbore casing
- Patent number 11,840,904
- Issue date Dec 12, 2023
- Saudi Arabian Oil Company
- Adrian Cesar Cavazos Sepulveda
- E21 - EARTH DRILLING MINING
Information Patent Grant
Formation evaluation at drill bit
- Patent number 11,822,039
- Issue date Nov 21, 2023
- Schlumberger Technology Corporation
- Jonathan Robert Hird
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coring device
- Patent number 11,788,371
- Issue date Oct 17, 2023
- SHENZHEN UNIVERSITY SICHUAN UNIVERSITY
- Heping Xie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bore protection device and method
- Patent number 11,781,381
- Issue date Oct 10, 2023
- Robert Wyatt
- E21 - EARTH DRILLING MINING
Information Patent Grant
Coring drill tool driving structure
- Patent number 11,773,673
- Issue date Oct 3, 2023
- Shenzhen University
- Heping Xie
- E21 - EARTH DRILLING MINING
Information Patent Grant
Force measurements about secondary contacting structures
- Patent number 11,708,755
- Issue date Jul 25, 2023
- Halliburton Energy Services, Inc.
- Bradley David Dunbar
- 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
Cutting element with nonplanar face to improve cutting efficiency a...
- Patent number 11,578,538
- Issue date Feb 14, 2023
- Schlumberger Technology Corporation
- Manoj Mahajan
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
WHIPSTOCK FOR USE WITH A MILL BIT INCLUDING VARYING MATERIAL REMOVA...
- Publication number 20240376784
- Publication date Nov 14, 2024
- Halliburton Energy Services, Inc.
- Wesley P. Dietz
- E21 - EARTH DRILLING MINING
Information Patent Application
FLUID OPERATED MOTOR FOR RUNNING CASING WITH BYPASS FOR PUMPING LOS...
- Publication number 20240328260
- Publication date Oct 3, 2024
- Deep Casing Tools Limited
- Rafael Villa de Santana
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS AND APPARATUS FOR REMOVING SECTIONS OF A WELLBORE WALL
- Publication number 20240271500
- Publication date Aug 15, 2024
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Todor Sheiretov
- E21 - EARTH DRILLING MINING
Information Patent Application
EXCAVATION BORING AND SHORING TOOL
- Publication number 20240218741
- Publication date Jul 4, 2024
- Ted R. Dimitroff
- E21 - EARTH DRILLING MINING
Information Patent Application
SYSTEM AND METHOD FOR CONSTRUCTION AND COMPLETION OF PRODUCTION AND...
- Publication number 20240209691
- Publication date Jun 27, 2024
- Petroleo Brasileiro S.A. - PETROBRAS
- Cristiano Eduardo Agostini
- E21 - EARTH DRILLING MINING
Information Patent Application
EXCAVATION AND SHORING EQUIPMENT
- Publication number 20240209692
- Publication date Jun 27, 2024
- Ted R. Dimitroff
- E21 - EARTH DRILLING MINING
Information Patent Application
HDD REAMER HAVING REMOVABLE CUTTING TEETH
- Publication number 20240175325
- Publication date May 30, 2024
- Vermeer Manufacturing Company
- Jacob Richard Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
Underground Drill Rig And Systems And Methods Of Using Same
- Publication number 20240159107
- Publication date May 16, 2024
- LONGYEAR TM, INC.
- Paul Clausen
- E21 - EARTH DRILLING MINING
Information Patent Application
EXCAVATION BORING AND SHORING METHOD AND EQUIPMENT
- Publication number 20240093555
- Publication date Mar 21, 2024
- Ted R. Dimitroff
- E21 - EARTH DRILLING MINING
Information Patent Application
FULL-FACE SHAFT TUNNEL BORING MACHINE SYSTEM
- Publication number 20240068308
- Publication date Feb 29, 2024
- HEFEI DESIGN & RESEARCH INSTITUTE OF COAL INDUSTRY CO., LTD
- Huidong XU
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Bore Protection Device and Method
- Publication number 20230417107
- Publication date Dec 28, 2023
- Robert Wyatt
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRAULICALLY DRIVEN ROTATING STRING REAMER AND METHODS
- Publication number 20230366270
- Publication date Nov 16, 2023
- Saudi Arabian Oil Company
- Salem Alharbi
- E21 - EARTH DRILLING MINING
Information Patent Application
MULTIFUNCTIONAL DRILLING ENHANCEMENT TOOL AND METHOD
- Publication number 20230313621
- Publication date Oct 5, 2023
- King Abdullah University of Science and Technology
- Shehab Ahmed Mohamed Ahmed ELSAYED
- E21 - EARTH DRILLING MINING
Information Patent Application
Force Measurements About Secondary Contacting Structures
- Publication number 20230313667
- Publication date Oct 5, 2023
- Halliburton Energy Services, Inc.
- Bradley David Dunbar
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS AND APPARATUS FOR PRINTING A WELLBORE CASING
- Publication number 20230272690
- Publication date Aug 31, 2023
- Saudi Arabian Oil Company
- Adrian Cesar Cavazos Sepulveda
- E21 - EARTH DRILLING MINING
Information Patent Application
MODIFIED WHIPSTOCK DESIGN INTEGRATING CLEANOUT AND SETTING MECHANISMS
- Publication number 20230272672
- Publication date Aug 31, 2023
- Saudi Arabian Oil Company
- Ahmed Abdulaziz Al-Mousa
- E21 - EARTH DRILLING MINING
Information Patent Application
HDD REAMER HAVING REMOVABLE CUTTING TEETH
- Publication number 20230243217
- Publication date Aug 3, 2023
- Vermeer Manufacturing Company
- Jacob Richard Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
WELLBORE REAMING TOOL HAVING FIXED MOUNTED GOUGING CUTTERS
- Publication number 20230228156
- Publication date Jul 20, 2023
- Shear Bits, Inc.
- John James Herman
- E21 - EARTH DRILLING MINING
Information Patent Application
Modular Reamer
- Publication number 20230167690
- Publication date Jun 1, 2023
- T. J. Technology Ltd.
- Laurier E. Comeau
- E21 - EARTH DRILLING MINING
Information Patent Application
Force Measurements About Secondary Contacting Structures
- Publication number 20230137825
- Publication date May 4, 2023
- Halliburton Energy Services, Inc.
- Bradley David Dunbar
- E21 - EARTH DRILLING MINING
Information Patent Application
PARTICLE IMPACT DRILL BITS AND ASSOCIATED METHODS
- Publication number 20230133889
- Publication date May 4, 2023
- NATIONAL OILWELL DHT, L.P.
- Tony P. Pink
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling and Milling Tool
- Publication number 20230121660
- Publication date Apr 20, 2023
- Martin Spinnangr
- E21 - EARTH DRILLING MINING
Information Patent Application
Drilling Dynamics Data Recorder
- Publication number 20230117265
- Publication date Apr 20, 2023
- SANVEAN TECHNOLOGIES LLC
- Junichi SUGIURA
- 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
REAMING TOOL
- Publication number 20230098010
- Publication date Mar 30, 2023
- CHIMEREBERE ONYEKWERE NKWOCHA
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TOOL
- Publication number 20230064823
- Publication date Mar 2, 2023
- Welltec A/S
- Jørgen HALLUNDBÆK
- E21 - EARTH DRILLING MINING
Information Patent Application
MILL BIT INCLUDING VARYING MATERIAL REMOVAL RATES
- Publication number 20230008467
- Publication date Jan 12, 2023
- Halliburton Energy Services, Inc.
- Wesley P. Dietz
- E21 - EARTH DRILLING MINING
Information Patent Application
FORMATION EVALUATION AT DRILL BIT
- Publication number 20220381938
- Publication date Dec 1, 2022
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Jonathan Robert Hird
- G01 - MEASURING TESTING
Information Patent Application
DRILL ASSEMBLY AND METHOD OF USING SAME
- Publication number 20220349259
- Publication date Nov 3, 2022
- NICOLAS JACOBUS BISCHOFF
- 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

Drill bits with leading portion, i.e. drill bits with a pilot cutter Drill bits for enlarging the borehole

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Particle impact drill bits and associated methods

Downhole cutting tool having cutting element with nonplanar face to...

Whipstock for use with a mill bit including varying material remova...

Multifunctional drilling enhancement tool and method

Drill assembly and method of using same

Auger-suction type metro jet system (MJS) device for aerated and li...

Cutter head arrangement

Excavation boring and shoring method and equipment

Eccentric reaming tool

Modular reamer

Mill bit including varying material removal rates

Modified whipstock design integrating cleanout and setting mechanisms

Method and apparatus for deploying and cementing liners across chal...

Drilling and milling tool

Hydraulically driven rotating string reamer and methods

HDD reamer having removable cutting teeth

Underground drill rig and systems and methods of using same

Drilling assembly for removal of an obstacle in a conduit

Downhole tool

Methods and apparatus for printing a wellbore casing

Formation evaluation at drill bit

Coring device

Drill bore protection device and method

Coring drill tool driving structure

Force measurements about secondary contacting structures

Horizontal directional reaming

Reducing friction in a drill string and cleaning a wellbore

Cutting head and method for horizontal directional tunneling

Eccentric reaming tool

Cutting element with nonplanar face to improve cutting efficiency a...

Patents Applicationslast 30 patents

WHIPSTOCK FOR USE WITH A MILL BIT INCLUDING VARYING MATERIAL REMOVA...

FLUID OPERATED MOTOR FOR RUNNING CASING WITH BYPASS FOR PUMPING LOS...

METHODS AND APPARATUS FOR REMOVING SECTIONS OF A WELLBORE WALL

EXCAVATION BORING AND SHORING TOOL

SYSTEM AND METHOD FOR CONSTRUCTION AND COMPLETION OF PRODUCTION AND...

EXCAVATION AND SHORING EQUIPMENT

HDD REAMER HAVING REMOVABLE CUTTING TEETH

Underground Drill Rig And Systems And Methods Of Using Same

EXCAVATION BORING AND SHORING METHOD AND EQUIPMENT

FULL-FACE SHAFT TUNNEL BORING MACHINE SYSTEM

Drill Bore Protection Device and Method

HYDRAULICALLY DRIVEN ROTATING STRING REAMER AND METHODS

MULTIFUNCTIONAL DRILLING ENHANCEMENT TOOL AND METHOD

Force Measurements About Secondary Contacting Structures

METHODS AND APPARATUS FOR PRINTING A WELLBORE CASING

MODIFIED WHIPSTOCK DESIGN INTEGRATING CLEANOUT AND SETTING MECHANISMS

HDD REAMER HAVING REMOVABLE CUTTING TEETH

WELLBORE REAMING TOOL HAVING FIXED MOUNTED GOUGING CUTTERS

Modular Reamer

Force Measurements About Secondary Contacting Structures

PARTICLE IMPACT DRILL BITS AND ASSOCIATED METHODS

Drilling and Milling Tool

Drilling Dynamics Data Recorder

Eccentric Reaming Tool

REAMING TOOL

DOWNHOLE TOOL

MILL BIT INCLUDING VARYING MATERIAL REMOVAL RATES

FORMATION EVALUATION AT DRILL BIT

DRILL ASSEMBLY AND METHOD OF USING SAME

WELLBORE REAMING SYSTEMS AND DEVICES