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E21B33/05
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FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
E21B33/00
Sealing or packing boreholes or wells
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E21B33/05
Cementing-heads
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Patents Grants
last 30 patents
Information
Patent Grant
Double grip retention for wellbore installations
Patent number
12,152,455
Issue date
Nov 26, 2024
Cameron International Corporation
Juan Carlos Gonzalez
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for dewatering coal mine goaf by crossing neighboring goaf
Patent number
12,146,410
Issue date
Nov 19, 2024
PING AN COAL MINING ENGINEERING TECHNOLOGY RESEARCH INSTITUTE CO., LTD
Qingfa Liao
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for dropping a pump down plug or ball
Patent number
12,110,755
Issue date
Oct 8, 2024
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tool and method for cementing an annulus in a subsea oil or gas well
Patent number
12,078,024
Issue date
Sep 3, 2024
SUBSEA ENGENUITY LIMITED
Michael Graham Morgan
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well operations with grouped particle diverter plug
Patent number
12,065,899
Issue date
Aug 20, 2024
Brock W. Watson
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Cementing adapter systems and methods
Patent number
11,959,339
Issue date
Apr 16, 2024
MCCLINTON ENERGY GROUP, LLC
Aaron Ladwig
E21 - EARTH DRILLING MINING
Information
Patent Grant
Real-time monitoring of mass loss from erosive flow
Patent number
11,913,908
Issue date
Feb 27, 2024
Dril-Quip, Inc.
Frank D. Kalb
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
Method and apparatus for dropping a pump down plug or ball
Patent number
11,821,285
Issue date
Nov 21, 2023
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for dropping a pump down plug or ball
Patent number
11,814,922
Issue date
Nov 14, 2023
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Subsea coiled tubing drilling system and subsea drilling device the...
Patent number
11,781,385
Issue date
Oct 10, 2023
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Wensheng Xiao
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
Information
Patent Grant
Oil well rotating cement head
Patent number
11,719,066
Issue date
Aug 8, 2023
Rene Castrillon
E21 - EARTH DRILLING MINING
Information
Patent Grant
Double grip retention for wellbore installations
Patent number
11,702,900
Issue date
Jul 18, 2023
Cameron International Corporation
Juan Carlos Gonzalez
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cement head and fiber sheath for top plug fiber deployment
Patent number
11,668,153
Issue date
Jun 6, 2023
Halliburton Energy Services, Inc.
Richard Frank Vargo
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for dropping a pump down plug or ball
Patent number
11,519,243
Issue date
Dec 6, 2022
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cementing head apparatus
Patent number
11,466,534
Issue date
Oct 11, 2022
Noetic Technologies Inc.
Maurice William Slack
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for dropping a pump down plug or ball
Patent number
11,459,845
Issue date
Oct 4, 2022
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Head apparatus
Patent number
11,401,769
Issue date
Aug 2, 2022
Sudelac Limited
Paul Howlett
E21 - EARTH DRILLING MINING
Information
Patent Grant
Arrangement for providing a flowable solidifier into a subsea hydro...
Patent number
11,261,688
Issue date
Mar 1, 2022
TIOS AS
Per Buset
E21 - EARTH DRILLING MINING
Information
Patent Grant
Seal configuration for top drive swivel apparatus and method
Patent number
11,105,163
Issue date
Aug 31, 2021
Mako Rentals, Inc.
Kip M. Robichaux
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and apparatus for setting an integrated hanger and annular s...
Patent number
11,091,979
Issue date
Aug 17, 2021
Baker Hughes Oilfield Operations LLC
Chee Kong Yee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for dropping a pump down plug or ball
Patent number
10,968,719
Issue date
Apr 6, 2021
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for dropping a pump down plug or ball
Patent number
10,947,807
Issue date
Mar 16, 2021
Gulfstream Service, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Liner deployment assembly having full time debris barrier
Patent number
10,907,428
Issue date
Feb 2, 2021
Weatherford Technology Holdings, LLC
Mike A. Luke
E21 - EARTH DRILLING MINING
Information
Patent Grant
Well operations with grouped particle diverter plug
Patent number
10,871,049
Issue date
Dec 22, 2020
Thru Tubing Solutions, Inc.
Brock W. Watson
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
System and method for offline suspension or cementing of tubulars
Patent number
10,760,347
Issue date
Sep 1, 2020
Schlumberger Technology Corporation
Babak Bob Arefi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Wellbore cementing system
Patent number
10,711,566
Issue date
Jul 14, 2020
Saudi Arabian Oil Company
Ziyad Alsahlawi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for dropping a pump down plug or ball
Patent number
10,633,950
Issue date
Apr 28, 2020
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method and apparatus for automated connection of a fluid conduit
Patent number
10,619,428
Issue date
Apr 14, 2020
Blackhawk Specialty Tools, LLC
Ron D. Robichaux
E21 - EARTH DRILLING MINING
Information
Patent Grant
Adapting a top drive cement head to a casing running tool
Patent number
10,612,338
Issue date
Apr 7, 2020
Halliburton Energy Services, Inc.
Henry Eugene Rogers
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
PROTECTING THE CASING-CASING ANNULUS IN HYDROCARBON PRODUCING WELLB...
Publication number
20240368961
Publication date
Nov 7, 2024
Saudi Arabian Oil Company
Jawad ZAHUR
E21 - EARTH DRILLING MINING
Information
Patent Application
Well Abandonment And Severance Of Control Lines
Publication number
20240287864
Publication date
Aug 29, 2024
Halliburton Energy Services, Inc.
Philippe QUERO
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUTED ROTATING TUBING HANGER FOR CEMENTED COMPLETION APPLICATIONS...
Publication number
20240254852
Publication date
Aug 1, 2024
Saudi Arabian Oil Company
Bilal Tariq
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL
Publication number
20240167359
Publication date
May 23, 2024
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Application
CEMENTING HEAD
Publication number
20240141744
Publication date
May 2, 2024
Saudi Arabian Oil Company
Victor Carlos Costa de Oliveira
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL
Publication number
20240068320
Publication date
Feb 29, 2024
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Application
DOUBLE GRIP RETENTION FOR WELLBORE INSTALLATIONS
Publication number
20230304371
Publication date
Sep 28, 2023
Cameron International Corporation
Juan Carlos Gonzalez
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL
Publication number
20230123324
Publication date
Apr 20, 2023
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL
Publication number
20230050637
Publication date
Feb 16, 2023
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE TOOL AND METHODS
Publication number
20230003095
Publication date
Jan 5, 2023
SUBSEA ENGENUITY LIMITED
Michael Graham MORGAN
E21 - EARTH DRILLING MINING
Information
Patent Application
Systems and Methods For Rotating a Casing String In a Wellbore
Publication number
20220268110
Publication date
Aug 25, 2022
Chevron U.S.A. Inc.
Jay Patrick Painter
E21 - EARTH DRILLING MINING
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
CEMENTING ADAPTER SYSTEMS AND METHODS
Publication number
20220195810
Publication date
Jun 23, 2022
McClinton Energy Group, LLC
Aaron Ladwig
E21 - EARTH DRILLING MINING
Information
Patent Application
DOUBLE GRIP RETENTION FOR WELLBORE INSTALLATIONS
Publication number
20220034184
Publication date
Feb 3, 2022
Cameron International Corporation
Juan Carlos Gonzalez
E21 - EARTH DRILLING MINING
Information
Patent Application
CEMENTING HEAD APPARATUS
Publication number
20220003064
Publication date
Jan 6, 2022
NOETIC TECHNOLOGIES INC.
Maurice William SLACK
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL
Publication number
20210262314
Publication date
Aug 26, 2021
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Application
CEMENT HEAD AND FIBER SHEATH FOR TOP PLUG FIBER DEPLOYMENT
Publication number
20210238946
Publication date
Aug 5, 2021
Halliburton Energy Services, Inc.
Richard Frank VARGO
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL
Publication number
20210230961
Publication date
Jul 29, 2021
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Application
REAL-TIME MONITORING OF MASS LOSS FROM EROSIVE FLOW
Publication number
20210215643
Publication date
Jul 15, 2021
Dril-Quip, Inc.
Frank D. Kalb
E21 - EARTH DRILLING MINING
Information
Patent Application
WELL OPERATIONS WITH GROUPED PARTICLE DIVERTER PLUG
Publication number
20210054715
Publication date
Feb 25, 2021
THRU TUBING SOLUTIONS, INC.
Brock W. WATSON
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR SETTING AN INTEGRATED HANGER AND ANNULAR S...
Publication number
20200378213
Publication date
Dec 3, 2020
Baker Hughes Oilfield Operations LLC
Chee Kong Yee
E21 - EARTH DRILLING MINING
Information
Patent Application
CEMENT HEAD WITH MOVABLE PLUG CAGE AND PRESSURE BALANCED PLUG LAUNC...
Publication number
20200378209
Publication date
Dec 3, 2020
RIDGELINE OIL TOOLS, LP
GABRIEL ANTONIU SLUP
E21 - EARTH DRILLING MINING
Information
Patent Application
CONCRETE CORE FOR CEMENTING PLUGS
Publication number
20200318453
Publication date
Oct 8, 2020
Summit Casing Services, LLC
Colten T. Francis
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL
Publication number
20200291741
Publication date
Sep 17, 2020
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Application
WELL OPERATIONS WITH GROUPED PARTICLE DIVERTER PLUG
Publication number
20200248525
Publication date
Aug 6, 2020
THRU TUBING SOLUTIONS, INC.
Brock W. WATSON
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL
Publication number
20200199963
Publication date
Jun 25, 2020
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING
Information
Patent Application
SEAL CONFIGURATION FOR TOP DRIVE SWIVEL APPARATUS AND METHOD
Publication number
20200141199
Publication date
May 7, 2020
Mako Rentals, Inc.
Kip M. Robichaux
E21 - EARTH DRILLING MINING
Information
Patent Application
AN ARRANGEMENT FOR PROVIDING A FLOWABLE SOLIDIFIER INTO A SUBSEA HY...
Publication number
20200063517
Publication date
Feb 27, 2020
TIOS AS
Per Buset
E21 - EARTH DRILLING MINING
Information
Patent Application
WELLBORE CEMENTING SYSTEM
Publication number
20200024927
Publication date
Jan 23, 2020
Saudi Arabian Oil Company
Ziyad Alsahlawi
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR DROPPING A PUMP DOWN PLUG OR BALL
Publication number
20190211645
Publication date
Jul 11, 2019
Gulfstream Services, Inc.
Phil Barbee
E21 - EARTH DRILLING MINING