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E21B7/124
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FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B7/00
Special methods or apparatus for drilling
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E21B7/124
with underwater tool drive prime mover
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Patents Grants
last 30 patents
Information
Patent Grant
Underwater drilling apparatus and method for creating a cased boreh...
Patent number
12,146,408
Issue date
Nov 19, 2024
Bauer Maschinen GmbH
Stefan Finkenzeller
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems and methods for deploying hydroelectric energy systems
Patent number
12,037,093
Issue date
Jul 16, 2024
Oceana Energy Company
Daniel E. Power
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Underwater drilling device and method for procuring drill cores of...
Patent number
11,982,145
Issue date
May 14, 2024
Bauer Maschinen GmbH
Johannes Wiener
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rigless drilling and wellhead installation
Patent number
11,905,831
Issue date
Feb 20, 2024
Vetco Gray Scandinavia AS
Jarle Hvidsten
E21 - EARTH DRILLING MINING
Information
Patent Grant
Nearshore subsea drilling
Patent number
11,719,049
Issue date
Aug 8, 2023
FNV IP B.V.
Peter David Richards
E21 - EARTH DRILLING MINING
Information
Patent Grant
Self sealing jetting valve
Patent number
11,585,459
Issue date
Feb 21, 2023
Zentech, Inc.
Kevin Alan McDoneld
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Diffusive gradients in thin films (DGT) probe test device for sedim...
Patent number
11,579,049
Issue date
Feb 14, 2023
Chinese Research Academy of Environmental Sciences
Zhihao Wu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Vibration generator for an drilling installation, underwater drilli...
Patent number
11,530,575
Issue date
Dec 20, 2022
IHC Marine and Mineral Projects (Proprietary) Limited
Lourens Christiaan de Jager
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual rotary elevating geotechnical drill
Patent number
11,512,535
Issue date
Nov 29, 2022
BENTHIC USA LLC
Robert Elliot
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for subsea well operation
Patent number
11,499,379
Issue date
Nov 15, 2022
RIGTEC WELLSERVICE AS
Morten Eriksen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Forced separation device for submarine drilling machine and drillin...
Patent number
11,441,359
Issue date
Sep 13, 2022
Institute of Exploration Techniques, Chinese Academy of Geological Sciences
Yaosen Du
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling system and method of submarine drilling rig
Patent number
11,428,048
Issue date
Aug 30, 2022
China University of Petroleum
Wensheng Xiao
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for casing drilling with a subsea casing drive
Patent number
11,008,811
Issue date
May 18, 2021
Itrec B.V.
Diederick Bernardus Wijning
E21 - EARTH DRILLING MINING
Information
Patent Grant
Three-dimensional hydraulic oscillator
Patent number
11,002,094
Issue date
May 11, 2021
Yangtze University
Ding Feng
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and method for cleaning rock debris when deep-water surfa...
Patent number
10,941,623
Issue date
Mar 9, 2021
China University of Petroleum—Beijing
Jin Yang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Sediment core-drilling process for submarine wire-line coring drill...
Patent number
10,927,606
Issue date
Feb 23, 2021
Hunan University of Science and Technology
Buyan Wan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Self sealing jetting valve
Patent number
10,900,586
Issue date
Jan 26, 2021
Zentech, Inc.
Kevin Alan McDoneld
E21 - EARTH DRILLING MINING
Information
Patent Grant
Seabed drilling system
Patent number
10,697,245
Issue date
Jun 30, 2020
Cameron International Corporation
Andrew Jaffrey
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mobile offshore drilling unit, a method of using such a unit and a...
Patent number
10,450,802
Issue date
Oct 22, 2019
MAERSK DRILLING A/S.
Michael Kannegaard
E21 - EARTH DRILLING MINING
Information
Patent Grant
Mobile offshore drilling unit, a method of using such a unit and a...
Patent number
10,227,824
Issue date
Mar 12, 2019
MAERSK DRILLING A/S
Michael Kannegaard
E21 - EARTH DRILLING MINING
Information
Patent Grant
Downhole tool for increasing a wellbore diameter
Patent number
10,156,097
Issue date
Dec 18, 2018
Smith International, Inc.
Madapusi K. Keshavan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Underwater drilling device and method for procuring and analyzing g...
Patent number
9,909,377
Issue date
Mar 6, 2018
Bauer Maschinen GmbH
Stefan Michael Finkenzeller
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsea drilling systems and methods
Patent number
9,810,033
Issue date
Nov 7, 2017
Schlumberger Technology Corporation
Rod William Shampine
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsea drilling with casing
Patent number
9,719,303
Issue date
Aug 1, 2017
Weatherford Technology Holdings, LLC
Eric M. Twardowski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore drilling using dual drill string
Patent number
9,702,210
Issue date
Jul 11, 2017
Halliburton Energy Services, Inc.
Ron J. Dirksen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods for retrieval and replacement of subsea production and proc...
Patent number
9,556,713
Issue date
Jan 31, 2017
FMC Technologies, Inc.
Michael R. Williams
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsea drilling with casing
Patent number
9,493,989
Issue date
Nov 15, 2016
Weatherford Technology Holdings, LLC
Eric M. Twardowski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods for retrieval and replacement of subsea production and proc...
Patent number
9,441,461
Issue date
Sep 13, 2016
FMC Technologies, Inc.
Michael R. Williams
E21 - EARTH DRILLING MINING
Information
Patent Grant
Distributed marinized borehole system
Patent number
9,435,197
Issue date
Sep 6, 2016
Baker Hughes Incorporated
Roger G. Duncan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Remotely operable underwater drilling system and drilling method
Patent number
9,322,220
Issue date
Apr 26, 2016
Marl Technologies
Ronald W. Innes
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
RIGLESS DRILLING AND WELLHEAD INSTALLATION
Publication number
20240141731
Publication date
May 2, 2024
VETCO GRAY SCANDINAVIA AS
Jarle Hvidsten
E21 - EARTH DRILLING MINING
Information
Patent Application
UNDERWATER DRILLING APPARATUS AND METHOD FOR CREATING A CASED BOREH...
Publication number
20240117681
Publication date
Apr 11, 2024
Bauer Maschinen GmbH
Stefan FINKENZELLER
E21 - EARTH DRILLING MINING
Information
Patent Application
Nearshore Subsea Drilling
Publication number
20220412168
Publication date
Dec 29, 2022
FNV IP B.V.
Peter David Richards
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR DEPLOYING HYDROELECTRIC ENERGY SYSTEMS
Publication number
20220242532
Publication date
Aug 4, 2022
OCEANA ENERGY COMPANY
Daniel E. POWER
B60 - VEHICLES IN GENERAL
Information
Patent Application
RIGLESS DRILLING AND WELLHEAD INSTALLATION
Publication number
20220195805
Publication date
Jun 23, 2022
VETCO GRAY SCANDINAVIA AS
Jarle HVIDSTEN
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR SUBSEA WELL OPERATION
Publication number
20220154537
Publication date
May 19, 2022
RIGTEC WELLSERVICE AS
Morten ERIKSEN
E21 - EARTH DRILLING MINING
Information
Patent Application
FORCED SEPARATION DEVICE FOR SUBMARINE DRILLING MACHINE AND DRILLIN...
Publication number
20220074268
Publication date
Mar 10, 2022
Institute of Exploration Techniques, Chinese Academy of Geological Sciences
Yaosen Du
F42 - AMMUNITION BLASTING
Information
Patent Application
UNDERWATER DRILLING DEVICE AND METHOD FOR PROCURING DRILL CORES OF...
Publication number
20220003062
Publication date
Jan 6, 2022
Bauer Maschinen GmbH
Johannes WIENER
E21 - EARTH DRILLING MINING
Information
Patent Application
DUAL ROTARY ELEVATING GEOTECHNICAL DRILL
Publication number
20210246728
Publication date
Aug 12, 2021
Benthic USA LLC
Robert ELLIOT
E21 - EARTH DRILLING MINING
Information
Patent Application
DIFFUSIVE GRADIENTS IN THIN FILMS (DGT) PROBE TEST DEVICE FOR SEDIM...
Publication number
20210208031
Publication date
Jul 8, 2021
Chinese Research Academy of Environmental Sciences
Zhihao Wu
E21 - EARTH DRILLING MINING
Information
Patent Application
SELF SEALING JETTING VALVE
Publication number
20210140560
Publication date
May 13, 2021
ZENTECH, INC.
Kevin Alan MCDONELD
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING SYSTEM AND METHOD OF SUBMARINE DRILLING RIG
Publication number
20200270951
Publication date
Aug 27, 2020
China University of Petroleum
Wensheng XIAO
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR CASING DRILLING WITH A SUBSEA CASING DRIVE
Publication number
20200157888
Publication date
May 21, 2020
Itrec B.V.
Diederick Bernardus WIJNING
E21 - EARTH DRILLING MINING
Information
Patent Application
SEDIMENT CORE-DRILLING PROCESS FOR SUBMARINE WIRE-LINE CORING DRILL...
Publication number
20200131853
Publication date
Apr 30, 2020
HUNAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Buyan WAN
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHOD FOR CLEANING ROCK DEBRIS WHEN DEEP-WATER SURFA...
Publication number
20200072003
Publication date
Mar 5, 2020
China University of Petroleum-Beijing
Jin Yang
E21 - EARTH DRILLING MINING
Information
Patent Application
Underwater Sampling Method and Apparatus
Publication number
20190368978
Publication date
Dec 5, 2019
Richard P. Sheryll
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
Information
Patent Application
MOBILE OFFSHORE DRILLING UNIT, A METHOD OF USING SUCH A UNIT AND A...
Publication number
20190169936
Publication date
Jun 6, 2019
MAERSK DRILLING A/S
Michael KANNEGAARD
E21 - EARTH DRILLING MINING
Information
Patent Application
SELF SEALING JETTING VALVE
Publication number
20190162327
Publication date
May 30, 2019
ZENTECH, INC.
Kevin Alan MCDONELD
E21 - EARTH DRILLING MINING
Information
Patent Application
Method for Collecting Geological Samples and Attitude-Controllable...
Publication number
20190032433
Publication date
Jan 31, 2019
TOPY KOGYO KABUSHIKI KAISHA
Takao Sawa
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
Subsea Hydrocarbon Extraction System
Publication number
20180355674
Publication date
Dec 13, 2018
Cameron International Corporation
Iain Michael Cooper
E21 - EARTH DRILLING MINING
Information
Patent Application
Vibration generator for an drilling installation, underwater drilli...
Publication number
20180283104
Publication date
Oct 4, 2018
IHC Marine and Mineral Projects (Proprietary) Limited
Lourens Christiaan de Jager
E21 - EARTH DRILLING MINING
Information
Patent Application
SEABED DRILLING SYSTEM
Publication number
20180106111
Publication date
Apr 19, 2018
Cameron International Corporation
Andrew Jaffrey
E21 - EARTH DRILLING MINING
Information
Patent Application
System for Extended Use in High Temperature Wellbore
Publication number
20170328134
Publication date
Nov 16, 2017
BAKER HUGHES INCORPORATED
Timothy Sampson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
A MOBILE OFFSHORE DRILLING UNIT, A METHOD OF USING SUCH A UNIT AND...
Publication number
20170254148
Publication date
Sep 7, 2017
MAERSK DRILLING A/S
Michael KANNEGAARD
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Application
UNDERWATER DRILLING DEVICE AND METHOD FOR PROCURING AND ANALYZING G...
Publication number
20170152719
Publication date
Jun 1, 2017
Bauer Maschinen GmbH
Stefan Michael FINKENZELLER
E21 - EARTH DRILLING MINING
Information
Patent Application
WELLBORE DRILLING USING DUAL DRILL STRING
Publication number
20160047187
Publication date
Feb 18, 2016
Ron J. Dirksen
E21 - EARTH DRILLING MINING
Information
Patent Application
UNDERWATER DRILLING RIG ASSEMBLY AND METHOD OF OPERATING THE UNDERW...
Publication number
20150197989
Publication date
Jul 16, 2015
ConocoPhillips Company
Randall Scott SHAFER
E21 - EARTH DRILLING MINING
Information
Patent Application
SUBSEA DRILLING WITH CASING
Publication number
20150184461
Publication date
Jul 2, 2015
WEATHERFORD/LAMB, INC.
Eric M. TWARDOWSKI
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING SYSTEM AND METHOD
Publication number
20150021092
Publication date
Jan 22, 2015
Fugro Seacore Limited
John R.Y. Gleadowe
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS ASSOCIATED WITH SUB-SEA OPERATIONS
Publication number
20130341088
Publication date
Dec 26, 2013
FUGRO SEACORE LIMITED
John Richard Yorke Gleadowe
E21 - EARTH DRILLING MINING