characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe

Industry

CPC
E21B10/64

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B10/00Drill bits

Current Industry

E21B10/64characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Drilling unit
- Patent number 11,959,337
- Issue date Apr 16, 2024
- Mincon Nordic Oy
- Joseph Purcell
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drive sub for a drilling assembly
- Patent number 11,879,298
- Issue date Jan 23, 2024
- REFLEX INSTRUMENTS ASIA PACIFIC PTY LIMITED
- Andrew Phillip Beach
- 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
Method and system for connecting formation fractures using fracbots
- Patent number 11,859,492
- Issue date Jan 2, 2024
- Saudi Arabian Oil Company
- Abdullah Mohammed BinZiad
- 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
Downhole tool
- Patent number 11,530,589
- Issue date Dec 20, 2022
- Welltec A/S
- Jørgen Hallundbæk
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bottom hole assemblies with expandable cladding sheaths for drillin...
- Patent number 11,428,051
- Issue date Aug 30, 2022
- Saudi Arabian Oil Company
- Onos Sunday Ogelohwohor
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole disconnect tool
- Patent number 11,332,989
- Issue date May 17, 2022
- Thru Tubing Solutions, Inc.
- Roger L. Schultz
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole device delivery and associated drive transfer system and m...
- Patent number 11,136,842
- Issue date Oct 5, 2021
- Reflex Instruments Asia Pacific Pty Ltd
- Andrew Phillip Beach
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole disconnect tool
- Patent number 10,975,643
- Issue date Apr 13, 2021
- Thru Tubing Solutions, Inc.
- Roger L. Schultz
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for installing casing in a blind horizontal well
- Patent number 10,718,201
- Issue date Jul 21, 2020
- ELLINGSON DRAINAGE, INC.
- Michael D. Lubrecht
- E21 - EARTH DRILLING MINING
Information Patent Grant
Top surface drilling device and methods for drilling a core in a to...
- Patent number 10,443,311
- Issue date Oct 15, 2019
- TRACTO-TECHNIK GmbH & Co. KG
- Elmar Koch
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus and method for drilling a directional borehole in the ground
- Patent number 10,415,316
- Issue date Sep 17, 2019
- HUISMAN WELL TECHNOLOGY
- Gerardus Godefridus Johannes Van Og
- E21 - EARTH DRILLING MINING
Information Patent Grant
Use of pre-stressed steel strand in the procedure of multi-angle dr...
- Patent number 10,364,628
- Issue date Jul 30, 2019
- CHIFENG HAO FENG DRILLING CO., LTD.
- Ruifeng Bai
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tooth attachment for a drill and a drill incorporating the same
- Patent number 10,227,748
- Issue date Mar 12, 2019
- Jaron Lyell McMillan
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling tool
- Patent number 10,107,045
- Issue date Oct 23, 2018
- Mitsubishi Materials Corporation
- Kazuyoshi Nakamura
- E21 - EARTH DRILLING MINING
Information Patent Grant
Bottom hole assembly retrieval for casing-while-drilling operations...
- Patent number 10,036,222
- Issue date Jul 31, 2018
- Halliburton Energy Services, Inc.
- Ankit Purohit
- E21 - EARTH DRILLING MINING
Information Patent Grant
Apparatus for drilling and lining a borehole
- Patent number 10,030,449
- Issue date Jul 24, 2018
- LKAB WASSARA AB
- Fredrik Egerström
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling device
- Patent number 10,024,108
- Issue date Jul 17, 2018
- OY EPIROC DRILLING TOOLS AB
- Kai Gylling
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling tool
- Patent number 9,869,134
- Issue date Jan 16, 2018
- Mitsubishi Materials Corporation
- Kazuyoshi Nakamura
- E21 - EARTH DRILLING MINING
Information Patent Grant
Directional drilling while conveying a lining member, with latching...
- Patent number 9,605,483
- Issue date Mar 28, 2017
- Halliburton Energy Services, Inc.
- Hernando Jerez
- E21 - EARTH DRILLING MINING
Information Patent Grant
Excavating tool
- Patent number 9,428,964
- Issue date Aug 30, 2016
- Mitsubishi Materials Corporation
- Masaya Hisada
- E21 - EARTH DRILLING MINING
Information Patent Grant
System and method for installing casing in a blind horizontal well
- Patent number 9,376,869
- Issue date Jun 28, 2016
- Directed Technologies Drilling, Inc.
- Michael D. Lubrecht
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth removal member with features for facilitating drill-through
- Patent number 9,297,210
- Issue date Mar 29, 2016
- Weatherford Technology Holdings, LLC
- Eric M. Twardowski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Assembly and technique for completing a multilateral well
- Patent number 9,291,003
- Issue date Mar 22, 2016
- Schlumberger Technology Corporation
- Barton Sponchia
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth-boring tools attachable to a casing string and methods for th...
- Patent number 9,085,939
- Issue date Jul 21, 2015
- Baker Hughes Incorporated
- Eric E. McClain
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Manipulator tool and tool catcher useful with wellbore reverse circ...
- Patent number 8,881,835
- Issue date Nov 11, 2014
- Schlumberger Technology Corporation
- Robert M. Tessari
- E21 - EARTH DRILLING MINING
Information Patent Grant
Earth removal member with features for facilitating drill-through
- Patent number 8,528,669
- Issue date Sep 10, 2013
- Weatherford/Lamb, Inc.
- Eric M. Twardowski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Tools and methods useful with wellbore reverse circulation
- Patent number 8,443,906
- Issue date May 21, 2013
- Schlumberger Technology Corporation
- Robert M. Tessari
- E21 - EARTH DRILLING MINING
Information Patent Grant
Through-mill wellbore optical inspection and remediation apparatus...
- Patent number 8,264,532
- Issue date Sep 11, 2012
- Thrubit B.V.
- James G. Aivalis
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
TWO-PART DRILLING AND RUNNING TOOL
- Publication number 20230265719
- Publication date Aug 24, 2023
- Halliburton Energy Services, Inc.
- Borisa Lajesic
- 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
DRILLING UNIT
- Publication number 20220298868
- Publication date Sep 22, 2022
- Mincon Nordic Oy
- Joseph PURCELL
- E21 - EARTH DRILLING MINING
Information Patent Application
BOTTOM HOLE ASSEMBLIES WITH EXPANDABLE CLADDING SHEATHS FOR DRILLIN...
- Publication number 20220220810
- Publication date Jul 14, 2022
- Saudi Arabian Oil Company
- Onos Sunday Ogelohwohor
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE DEVICE DELIVERY AND ASSOCIATED DRIVE TRANSFER SYSTEM AND M...
- Publication number 20210396084
- Publication date Dec 23, 2021
- REFLEX INSTRUMENTS ASIA PACIFIC PTY LTD
- Andrew Phillip BEACH
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE TOOL
- Publication number 20210301616
- Publication date Sep 30, 2021
- Welltec Oilfield Solutions AG
- Jørgen HALLUNDBÆK
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE DISCONNECT TOOL
- Publication number 20210189818
- Publication date Jun 24, 2021
- THRU TUBING SOLUTIONS, INC.
- Roger L. SCHULTZ
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
DOWNHOLE DISCONNECT TOOL
- Publication number 20200291734
- Publication date Sep 17, 2020
- THRU TUBING SOLUTIONS, INC.
- Roger L. SCHULTZ
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
APPARATUS AND METHODS FOR HANDLING DRILL STRING
- Publication number 20200024919
- Publication date Jan 23, 2020
- David Wyeth SIGURDSON
- E21 - EARTH DRILLING MINING
Information Patent Application
COLLAPSIBLE MULTI-SIZED DRILL BIT AND METHOD OF USE
- Publication number 20180266186
- Publication date Sep 20, 2018
- Dennis Burca
- E21 - EARTH DRILLING MINING
Information Patent Application
APPARATUS AND METHOD FOR DRILLING A DIRECTIONAL BOREHOLE IN THE GROUND
- Publication number 20180010390
- Publication date Jan 11, 2018
- HUISMAN WELL TECHNOLOGY
- Gerardus Godefridus Johannes VAN OG
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Bit for Use with a Friction Bolt
- Publication number 20180003057
- Publication date Jan 4, 2018
- Fero Group Pty Ltd
- Matthew David McLaren
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING TOOL
- Publication number 20170081923
- Publication date Mar 23, 2017
- MITSUBISHI MATERIALS CORPORATION
- Kazuyoshi NAKAMURA
- E21 - EARTH DRILLING MINING
Information Patent Application
Directional Drilling While Conveying a Lining Member, with Latching...
- Publication number 20160326807
- Publication date Nov 10, 2016
- Halliburton Energy Services Inc.
- Hernando Jerez
- E21 - EARTH DRILLING MINING
Information Patent Application
ONE TRIP LINER DRILLING AND CEMENTING
- Publication number 20160312574
- Publication date Oct 27, 2016
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Michael Eric Moffitt
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING DEVICE
- Publication number 20160281435
- Publication date Sep 29, 2016
- Oy Atlas Copco Rotex Ab
- Kai Gylling
- E21 - EARTH DRILLING MINING
Information Patent Application
CORING TOOL INCLUDING CORE BIT AND DRILLING PLUG WITH ALIGNMENT AND...
- Publication number 20150068809
- Publication date Mar 12, 2015
- BAKER HUGHES INCORPORATED
- Nathaniel R. Adams
- E21 - EARTH DRILLING MINING
Information Patent Application
Drill Assembly
- Publication number 20140144710
- Publication date May 29, 2014
- Mikko Mattila
- E21 - EARTH DRILLING MINING
Information Patent Application
EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH
- Publication number 20130327575
- Publication date Dec 12, 2013
- WEATHERFORD/LAMB, INC.
- Eric M. TWARDOWSKI
- E21 - EARTH DRILLING MINING
Information Patent Application
ASSEMBLY AND TECHNIQUE FOR COMPLETING A MULTILATERAL WELL
- Publication number 20130319693
- Publication date Dec 5, 2013
- Barton Sponchia
- E21 - EARTH DRILLING MINING
Information Patent Application
MANIPULATOR TOOL AND TOOL CATCHER USEFUL WITH WELLBORE REVERSE CIRC...
- Publication number 20130248204
- Publication date Sep 26, 2013
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Robert M. Tessari
- E21 - EARTH DRILLING MINING
Information Patent Application
EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH
- Publication number 20120103694
- Publication date May 3, 2012
- Eric M. Twardowski
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND SYSTEM FOR INSTALLING GEOTHERMAL TRANSFER APPARATUSES WI...
- Publication number 20110100713
- Publication date May 5, 2011
- Raymond J. Roussy
- E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information Patent Application
EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH
- Publication number 20110061941
- Publication date Mar 17, 2011
- Eric M. Twardowski
- E21 - EARTH DRILLING MINING
Information Patent Application
Tools and Methods Useful with Wellbore Reverse Circulation
- Publication number 20100206580
- Publication date Aug 19, 2010
- TESCO CORPORATION
- Robert M. Tessari
- E21 - EARTH DRILLING MINING
Information Patent Application
BIT ASSEMBLY
- Publication number 20100200303
- Publication date Aug 12, 2010
- Mikko Mattila
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and Apparatus for Retrieving and Installing a Drill Lock Ass...
- Publication number 20100126734
- Publication date May 27, 2010
- TESCO Corporation
- Erik P. Eriksen
- E21 - EARTH DRILLING MINING
Information Patent Application
Casing Shoe and Retrievable Bit Assembly
- Publication number 20100025120
- Publication date Feb 4, 2010
- Tesco Corporation (US)
- Tommy M. Warren
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE...
- Publication number 20100012320
- Publication date Jan 21, 2010
- William Banning Vail, III
- E21 - EARTH DRILLING MINING
Information Patent Application
Circulation System for Retrieval of Bottom Hole Assembly During Cas...
- Publication number 20090288841
- Publication date Nov 26, 2009
- Tesco Corporation (US)
- Erik P. Eriksen
- E21 - EARTH DRILLING MINING

characterised by the whole or part thereof being insertable into or removable from the borehole without withdrawing the drilling pipe

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Drilling unit

Drive sub for a drilling assembly

Downhole tool

Method and system for connecting formation fractures using fracbots

Downhole device delivery and associated drive transfer system and m...

Downhole tool

Bottom hole assemblies with expandable cladding sheaths for drillin...

Downhole disconnect tool

Downhole device delivery and associated drive transfer system and m...

Downhole disconnect tool

System and method for installing casing in a blind horizontal well

Top surface drilling device and methods for drilling a core in a to...

Apparatus and method for drilling a directional borehole in the ground

Use of pre-stressed steel strand in the procedure of multi-angle dr...

Tooth attachment for a drill and a drill incorporating the same

Drilling tool

Bottom hole assembly retrieval for casing-while-drilling operations...

Apparatus for drilling and lining a borehole

Drilling device

Drilling tool

Directional drilling while conveying a lining member, with latching...

Excavating tool

System and method for installing casing in a blind horizontal well

Earth removal member with features for facilitating drill-through

Assembly and technique for completing a multilateral well

Earth-boring tools attachable to a casing string and methods for th...

Manipulator tool and tool catcher useful with wellbore reverse circ...

Earth removal member with features for facilitating drill-through

Tools and methods useful with wellbore reverse circulation

Through-mill wellbore optical inspection and remediation apparatus...

Patents Applicationslast 30 patents

TWO-PART DRILLING AND RUNNING TOOL

DOWNHOLE TOOL

DRILLING UNIT

BOTTOM HOLE ASSEMBLIES WITH EXPANDABLE CLADDING SHEATHS FOR DRILLIN...

DOWNHOLE DEVICE DELIVERY AND ASSOCIATED DRIVE TRANSFER SYSTEM AND M...

DOWNHOLE TOOL

DOWNHOLE DISCONNECT TOOL

DOWNHOLE DISCONNECT TOOL

APPARATUS AND METHODS FOR HANDLING DRILL STRING

COLLAPSIBLE MULTI-SIZED DRILL BIT AND METHOD OF USE

APPARATUS AND METHOD FOR DRILLING A DIRECTIONAL BOREHOLE IN THE GROUND

Drill Bit for Use with a Friction Bolt

DRILLING TOOL

Directional Drilling While Conveying a Lining Member, with Latching...

ONE TRIP LINER DRILLING AND CEMENTING

DRILLING DEVICE

CORING TOOL INCLUDING CORE BIT AND DRILLING PLUG WITH ALIGNMENT AND...

Drill Assembly

EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH

ASSEMBLY AND TECHNIQUE FOR COMPLETING A MULTILATERAL WELL

MANIPULATOR TOOL AND TOOL CATCHER USEFUL WITH WELLBORE REVERSE CIRC...

EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH

METHOD AND SYSTEM FOR INSTALLING GEOTHERMAL TRANSFER APPARATUSES WI...

EARTH REMOVAL MEMBER WITH FEATURES FOR FACILITATING DRILL-THROUGH

Tools and Methods Useful with Wellbore Reverse Circulation

BIT ASSEMBLY

Method and Apparatus for Retrieving and Installing a Drill Lock Ass...

Casing Shoe and Retrievable Bit Assembly

METHODS AND APPARATUS FOR CEMENTING DRILL STRINGS IN PLACE FOR ONE...

Circulation System for Retrieval of Bottom Hole Assembly During Cas...