with core destroying means

Industry

CPC
E21B10/04

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Parent Industries

EFIXED CONSTRUCTIONS E21Mining E21BEARTH DRILLING E21B10/00Drill bits

Current Industry

E21B10/04with core destroying means

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Continuous sampling drill bit
- Patent number 11,746,600
- Issue date Sep 5, 2023
- Longyear TM, Inc.
- Christopher L. Drenth
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with joint function of induced unloading and abrasive jet...
- Patent number 11,255,127
- Issue date Feb 22, 2022
- CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
- Yongwang Liu
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling boreholes with a hybrid bit
- Patent number 11,255,128
- Issue date Feb 22, 2022
- Saudi Arabian Oil Company
- Atallah N. Alharbi
- E21 - EARTH DRILLING MINING
Information Patent Grant
Continuous sampling drill bit
- Patent number 10,907,413
- Issue date Feb 2, 2021
- BLY IP INC.
- Christopher L. Drenth
- E21 - EARTH DRILLING MINING
Information Patent Grant
Core drilling methods and devices
- Patent number 10,815,744
- Issue date Oct 27, 2020
- Mauerspecht GmbH
- Volker Galinsky
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Drilling a rock formation with a drill bit assembly-with electrodes
- Patent number 10,738,536
- Issue date Aug 11, 2020
- Aramco Overseas Company B.V.
- Scott Fraser
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole drilling tool system of torque self-balancing
- Patent number 10,724,300
- Issue date Jul 28, 2020
- Jilin University
- Ke Gao
- E21 - EARTH DRILLING MINING
Information Patent Grant
Continuous sampling drill bit
- Patent number 10,626,676
- Issue date Apr 21, 2020
- BLY IP INC.
- Christopher L. Drenth
- E21 - EARTH DRILLING MINING
Information Patent Grant
Rock formation drill bit assembly with electrodes
- Patent number 9,976,352
- Issue date May 22, 2018
- Saudi Arabian Oil Company
- Scott Fraser
- E21 - EARTH DRILLING MINING
Information Patent Grant
Inner gauge ring drill bit
- Patent number 9,359,821
- Issue date Jun 7, 2016
- National-Oilwell Varco, L.P.
- Richard J. Sauvageau
- E21 - EARTH DRILLING MINING
Information Patent Grant
Fixed cutter drill bit with core fragmentation feature
- Patent number 9,347,275
- Issue date May 24, 2016
- Smith International, Inc.
- Michael G. Azar
- E21 - EARTH DRILLING MINING
Information Patent Grant
Combination coring bit and drill bit using fixed cutter PDC cutters
- Patent number 8,820,441
- Issue date Sep 2, 2014
- Tercel IP Ltd.
- James Shamburger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for dual speed, dual torque drilling
- Patent number 8,757,298
- Issue date Jun 24, 2014
- Edwin J. Broussard
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling tool for the air-lifting process
- Patent number 6,405,812
- Issue date Jun 18, 2002
- Wirth Maschinen-und Bohrgerate-Fabrik GmbH
- Fritz Tibussek
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of extracting and testing a core from a subterranean formation
- Patent number 6,401,840
- Issue date Jun 11, 2002
- Baker Hughes Incorporated
- Arthur D. Hay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore primary barrier and related systems
- Patent number 6,209,636
- Issue date Apr 3, 2001
- Weatherford/Lamb, Inc.
- John D. Roberts
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellbore milling methods
- Patent number 6,202,752
- Issue date Mar 20, 2001
- Weatherford/Lamb, Inc.
- Marc David Kuck
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method of determining characteristics of a rotary drag-type drill bit
- Patent number 6,164,390
- Issue date Dec 26, 2000
- Camco International (UK) Limited
- Andrew Murdock
- E21 - EARTH DRILLING MINING
Information Patent Grant
Steering device for bottomhole drilling assemblies
- Patent number 6,148,933
- Issue date Nov 21, 2000
- Baker Hughes Incorporated
- Arthur D. Hay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Wellborne mills & methods
- Patent number 6,024,168
- Issue date Feb 15, 2000
- Weatherford/Lamb, Inc.
- Mark D. Kuck
- E21 - EARTH DRILLING MINING
Information Patent Grant
Downhole core sampling and testing apparatus
- Patent number 5,957,221
- Issue date Sep 28, 1999
- Baker Hughes Incorporated
- Arthur D. Hay
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit for the rotary-percussive drilling of preferably rock, co...
- Patent number 5,791,424
- Issue date Aug 11, 1998
- Hawera Probst GmbH
- Bernhard Moser
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Rotary cone drill bit with truncated rolling cone cutters and dome...
- Patent number 5,695,019
- Issue date Dec 9, 1997
- Dresser Industries, Inc.
- James M. Shamburger
- E21 - EARTH DRILLING MINING
Information Patent Grant
Self-centering polycrystalline diamond cutting rock bit
- Patent number 5,655,614
- Issue date Aug 12, 1997
- Smith International, Inc.
- Michael G. Azar
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods for coring a masonry wall
- Patent number 5,497,841
- Issue date Mar 12, 1996
- Robert D. Cox
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Core cutting rock bit
- Patent number 5,394,952
- Issue date Mar 7, 1995
- Smith International, Inc.
- Roger P. Johns
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with improved insert cutter pattern and method of drilling
- Patent number 5,346,025
- Issue date Sep 13, 1994
- Dresser Industries, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drill bit with improved insert cutter pattern
- Patent number 5,265,685
- Issue date Nov 30, 1993
- Dresser Industries, Inc.
- Carl W. Keith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Drilling apparatus of the cutting and shearing type
- Patent number 5,220,966
- Issue date Jun 22, 1993
- Wave Tec G.m.b.H.
- Wsewolod S. Awdujewski
- E21 - EARTH DRILLING MINING
Information Patent Grant
Multi-walled drill string for exploration-sampling drilling systems
- Patent number 5,186,266
- Issue date Feb 16, 1993
- Marion E. Heller
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Continuous Sampling Drill Bit
- Publication number 20240003192
- Publication date Jan 4, 2024
- LONGYEAR TM, INC.
- Christopher L. Drenth
- E21 - EARTH DRILLING MINING
Information Patent Application
CONTINUOUS SAMPLING DRILL BIT
- Publication number 20230358103
- Publication date Nov 9, 2023
- Robert A. Corona
- E21 - EARTH DRILLING MINING
Information Patent Application
CONTINUOUS SAMPLING DRILL BIT
- Publication number 20220290501
- Publication date Sep 15, 2022
- BLY IP INC.
- Christopher L. Drenth
- E21 - EARTH DRILLING MINING
Information Patent Application
HYBRID DRILL BIT
- Publication number 20210246731
- Publication date Aug 12, 2021
- Flexidrill Limited
- Greg WEST
- E21 - EARTH DRILLING MINING
Information Patent Application
DRILLING BOREHOLES WITH A HYBRID BIT
- Publication number 20210230943
- Publication date Jul 29, 2021
- Saudi Arabian Oil Company
- Atallah N. Alharbi
- E21 - EARTH DRILLING MINING
Information Patent Application
CONTINUOUS SAMPLING DRILL BIT
- Publication number 20210054695
- Publication date Feb 25, 2021
- BLY IP INC.
- CHRISTOPHER L. DRENTH
- E21 - EARTH DRILLING MINING
Information Patent Application
DOWNHOLE DRILLING TOOL SYSTEM OF TORQUE SELF-BALANCING
- Publication number 20190063157
- Publication date Feb 28, 2019
- JILIN UNIVERSITY
- Ke Gao
- E21 - EARTH DRILLING MINING
Information Patent Application
ROCK FORMATION DRILL BIT ASSEMBLY WITH ELECTRODES
- Publication number 20180266182
- Publication date Sep 20, 2018
- Aramco Overseas Company, B.V.
- Scott Fraser
- E21 - EARTH DRILLING MINING
Information Patent Application
FIXED-CUTTER DRILL BITS GENERATING CORES
- Publication number 20150368976
- Publication date Dec 24, 2015
- Tercel IP Ltd
- James W. LANGFORD
- E21 - EARTH DRILLING MINING
Information Patent Application
INNER GAUGE RING DRILL BIT
- Publication number 20130228382
- Publication date Sep 5, 2013
- National-Oilwell Varco, L.P.
- Richard J. SAUVAGEAU
- E21 - EARTH DRILLING MINING
Information Patent Application
Fixed Cutter Drill Bit With Core Fragmentation Feature
- Publication number 20130020134
- Publication date Jan 24, 2013
- Smith International, Inc.
- Michael G. Azar
- E21 - EARTH DRILLING MINING
Information Patent Application
Method and apparatus for dual speed, dual torque drilling
- Publication number 20120273275
- Publication date Nov 1, 2012
- Edwin J. Broussard, JR.
- E21 - EARTH DRILLING MINING
Information Patent Application
Combination coring bit and drill bit using fixed cutter PDC cutters
- Publication number 20100101870
- Publication date Apr 29, 2010
- James Shamburger
- E21 - EARTH DRILLING MINING
Information Patent Application
METHOD AND APPARATUS FOR CONTINUOUS FORMATION SAMPLING AND ANALYSIS...
- Publication number 20090107724
- Publication date Apr 30, 2009
- SCHLUMBERGER TECHNOLOGY CORPORATION
- ROBERT UTTER
- E21 - EARTH DRILLING MINING
Information Patent Application
Modular kerfing drill bit
- Publication number 20060196699
- Publication date Sep 7, 2006
- Roy Estes
- E21 - EARTH DRILLING MINING

with core destroying means

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Continuous sampling drill bit

Drill bit with joint function of induced unloading and abrasive jet...

Drilling boreholes with a hybrid bit

Continuous sampling drill bit

Core drilling methods and devices

Drilling a rock formation with a drill bit assembly-with electrodes

Downhole drilling tool system of torque self-balancing

Continuous sampling drill bit

Rock formation drill bit assembly with electrodes

Inner gauge ring drill bit

Fixed cutter drill bit with core fragmentation feature

Combination coring bit and drill bit using fixed cutter PDC cutters

Method and apparatus for dual speed, dual torque drilling

Drilling tool for the air-lifting process

Method of extracting and testing a core from a subterranean formation

Wellbore primary barrier and related systems

Wellbore milling methods

Method of determining characteristics of a rotary drag-type drill bit

Steering device for bottomhole drilling assemblies

Wellborne mills & methods

Downhole core sampling and testing apparatus

Drill bit for the rotary-percussive drilling of preferably rock, co...

Rotary cone drill bit with truncated rolling cone cutters and dome...

Self-centering polycrystalline diamond cutting rock bit

Methods for coring a masonry wall

Core cutting rock bit

Drill bit with improved insert cutter pattern and method of drilling

Drill bit with improved insert cutter pattern

Drilling apparatus of the cutting and shearing type

Multi-walled drill string for exploration-sampling drilling systems

Patents Applicationslast 30 patents

Continuous Sampling Drill Bit

CONTINUOUS SAMPLING DRILL BIT

CONTINUOUS SAMPLING DRILL BIT

HYBRID DRILL BIT

DRILLING BOREHOLES WITH A HYBRID BIT

CONTINUOUS SAMPLING DRILL BIT

DOWNHOLE DRILLING TOOL SYSTEM OF TORQUE SELF-BALANCING

ROCK FORMATION DRILL BIT ASSEMBLY WITH ELECTRODES

FIXED-CUTTER DRILL BITS GENERATING CORES

INNER GAUGE RING DRILL BIT

Fixed Cutter Drill Bit With Core Fragmentation Feature

Method and apparatus for dual speed, dual torque drilling

Combination coring bit and drill bit using fixed cutter PDC cutters

METHOD AND APPARATUS FOR CONTINUOUS FORMATION SAMPLING AND ANALYSIS...

Modular kerfing drill bit