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Methods or apparatus for flushing boreholes
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CPC
E21B21/00
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
Current Industry
E21B21/00
Methods or apparatus for flushing boreholes
Sub Industries
E21B21/001
specially adapted for underwater drilling
E21B21/002
Down-hole drilling fluid separation systems
E21B21/003
Means for stopping loss of drilling fluid
E21B21/01
Arrangements for handling drilling fluids or cuttings outside the borehole
E21B21/012
using exhaust air from the drilling motor for blowing off the dust at the borehole entrance
E21B21/015
Means engaging the bore entrance
E21B21/02
Swivel joints in hose-lines
E21B21/06
Arrangements for treating drilling fluids outside the borehole
E21B21/062
by mixing components
E21B21/063
by separating components
E21B21/065
Separating solids from drilling fluids
E21B21/066
with further treatment of the solids
E21B21/067
Separating gases from drilling fluids
E21B21/068
using chemical treatment
E21B21/07
for treating dust-laden gaseous fluids
E21B21/08
Controlling or monitoring pressure or flow of drilling fluid
E21B21/10
Valve arrangements in drilling fluid circulation systems
E21B21/103
Down-hole by-pass valve arrangements
E21B21/106
Valve arrangements outside the borehole
E21B21/12
using drilling pipes with plural fluid passages
E21B21/14
using liquids and gases
E21B21/16
using gaseous fluids
E21B21/18
Preventing exhaust air from the drill motor from blowing-off towards the working face
Industries
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for cleaning and inspecting oil well drilling...
Patent number
11,975,368
Issue date
May 7, 2024
TRI-STATE ENVIRONMENTAL, LLC
Anthony Scott Carter
B08 - CLEANING
Information
Patent Grant
Electric driven hydraulic fracking operation
Patent number
11,976,525
Issue date
May 7, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Grant
System and method for monitoring and maintaining hydrostatic pressu...
Patent number
11,976,523
Issue date
May 7, 2024
Pruitt Tool & Supply Co.
Jason Finley
E21 - EARTH DRILLING MINING
Information
Patent Grant
Parameter monitoring and control for an electric driven hydraulic f...
Patent number
11,976,524
Issue date
May 7, 2024
Halliburton Energy Services, Inc.
John Fischer
E21 - EARTH DRILLING MINING
Information
Patent Grant
Frac distribution tower
Patent number
11,976,542
Issue date
May 7, 2024
Rex E. Duhn
E21 - EARTH DRILLING MINING
Information
Patent Grant
Continuous extruded solids discharge
Patent number
11,975,297
Issue date
May 7, 2024
Halliburton Energy Services, Inc.
Rajesh C. Kapila
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Geopolymer formulations for mitigating losses
Patent number
11,976,238
Issue date
May 7, 2024
Halliburton Energy Services, Inc.
Thomas Jason Pisklak
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
System and method for removing drilling fluid from drill cuttings u...
Patent number
11,970,917
Issue date
Apr 30, 2024
ELAVO ENERGY SOLUTIONS LTD.
Barry McIntyre
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
High temperature and high salinity-resistant complementarily rigid-...
Patent number
11,970,655
Issue date
Apr 30, 2024
China University of Petroleum (East China)
Jingping Liu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Electromagnetic telemetry transmitter apparatus and mud pulse-elect...
Patent number
11,970,937
Issue date
Apr 30, 2024
MWDPlanet and Lumen Corporation
Borys Kucherenko
E21 - EARTH DRILLING MINING
Information
Patent Grant
Transducer assembly for oil and gas wells
Patent number
11,970,933
Issue date
Apr 30, 2024
Helmerich & Payne Technologies, LLC
Adam Robert Fosson
E21 - EARTH DRILLING MINING
Information
Patent Grant
Rotary steerable system with central distribution passages
Patent number
11,970,942
Issue date
Apr 30, 2024
OnTarget Drilling, LLC
Sylvain Bedouet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Integrated well construction system operations
Patent number
11,965,405
Issue date
Apr 23, 2024
Schlumberger Technology Corporation
Espen Botnan
G08 - SIGNALLING
Information
Patent Grant
Polymeric gels for oil and gas conformance control applications and...
Patent number
11,965,128
Issue date
Apr 23, 2024
QATAR FOUNDATION FOR EDUCATION, SCIENCE AND COMMUNITY DEVELOPMENT
Ahmed Hamza
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method for offshore dual-drive core drilling with three layers of c...
Patent number
11,959,346
Issue date
Apr 16, 2024
GUANGZHOU MARINE GEOLOGICAL SURVEY
Lieyu Tian
E21 - EARTH DRILLING MINING
Information
Patent Grant
Hydrogen production, storage and recovery
Patent number
11,959,364
Issue date
Apr 16, 2024
TERRAH2 LLC
Eva Vinegar
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automated remote line maintenance and sample conditioning system
Patent number
11,959,344
Issue date
Apr 16, 2024
Reservoir Group, Inc.
Isaac David Cobb
E21 - EARTH DRILLING MINING
Information
Patent Grant
Cementing across loss circulation zones utilizing a smart drillable...
Patent number
11,959,357
Issue date
Apr 16, 2024
Saudi Arabian Oil Company
Peter Ido Egbe
E21 - EARTH DRILLING MINING
Information
Patent Grant
Measuring backlash of a drive train
Patent number
11,959,823
Issue date
Apr 16, 2024
Schlumberger Technology Corporation
Alejandro Camacho Cardenas
E21 - EARTH DRILLING MINING
Information
Patent Grant
Drilling system with annular flush separation device and method
Patent number
11,959,343
Issue date
Apr 16, 2024
Workover Solutions, Inc.
Gunther H H von Gynz-Rekowski
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for the determination of mud weight window in N-porosity N-p...
Patent number
11,952,882
Issue date
Apr 9, 2024
Saudi Arabian Oil Company
Chao Liu
G01 - MEASURING TESTING
Information
Patent Grant
Wired downhole adjustable mud motors
Patent number
11,952,895
Issue date
Apr 9, 2024
National-Oilwell Varco, L.P.
Jeffery Ronald Clausen
E21 - EARTH DRILLING MINING
Information
Patent Grant
Managed pressure drilling system and method of use
Patent number
11,952,840
Issue date
Apr 9, 2024
DEEP BLUE OIL & GAS LIMITED
Alan Clark
E21 - EARTH DRILLING MINING
Information
Patent Grant
Managing gas bubble migration in a downhole liquid
Patent number
11,952,845
Issue date
Apr 9, 2024
Landmark Graphics Corporation
Jianxin Lu
E21 - EARTH DRILLING MINING
Information
Patent Grant
Dual piston rotary steerable system
Patent number
11,952,894
Issue date
Apr 9, 2024
OnTarget Drilling, LLC
Sylvain Bedouet
E21 - EARTH DRILLING MINING
Information
Patent Grant
Perforated foil screen assembly
Patent number
11,951,421
Issue date
Apr 9, 2024
Schlumberger Technology Corporation
Eric Cady
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Rotational continuous circulation system
Patent number
11,952,846
Issue date
Apr 9, 2024
Saudi Arabian Oil Company
Mohammed Alsheikh
E21 - EARTH DRILLING MINING
Information
Patent Grant
Automatic rheological parameter measuring system and use method for...
Patent number
11,946,327
Issue date
Apr 2, 2024
YANGTZE UNIVERSITY
FeiFei Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Systems for monitoring drilling cuttings
Patent number
11,948,322
Issue date
Apr 2, 2024
Helmerich & Payne Technologies, LLC
Peter A. Torrione
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Flow splitting device for gas reverse circulation drilling
Patent number
11,946,334
Issue date
Apr 2, 2024
China Petroleum and Chemical Corporation
Chuanwei Zhao
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
DOWNHOLE ADJUSTABLE BEND ASSEMBLIES
Publication number
20240151109
Publication date
May 9, 2024
NATIONAL OILWELL DHT, L.P.
Jeffery Ronald Clausen
E21 - EARTH DRILLING MINING
Information
Patent Application
WELLBORE ANNULUS PRESSURE MANAGEMENT
Publication number
20240151114
Publication date
May 9, 2024
Chevron U.S.A. Inc.
Jay Patrick Painter
E21 - EARTH DRILLING MINING
Information
Patent Application
ENVIRONMENTALLY FRIENDLY NANOSHALE INHIBITOR IN AQUEOUS-BASED WELLB...
Publication number
20240141223
Publication date
May 2, 2024
Saudi Arabian Oil Company
Hassan Sakar Alqahtani
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
DEVICES, SYSTEMS, AND METHODS FOR DRILLING FLUID MANAGEMENT
Publication number
20240141737
Publication date
May 2, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Colin Stewart
E21 - EARTH DRILLING MINING
Information
Patent Application
REAL-TIME FORMATIONS CUTTINGS ANALYSIS SYSTEM USING COMPUTER VISION...
Publication number
20240144458
Publication date
May 2, 2024
Halliburton Energy Services, Inc.
Sakshi Agarwal
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
GENERATING ELECTRICITY WITH A WELLBORE DRILLING MUD FLOW
Publication number
20240141758
Publication date
May 2, 2024
Saudi Arabian Oil Company
Ahmed Abdullah Al-Mousa
E21 - EARTH DRILLING MINING
Information
Patent Application
WATER BOTTOM RESOURCE COLLECTING SYSTEM AND COLLECTING METHOD
Publication number
20240141769
Publication date
May 2, 2024
TOA CORPORATION
Tomohiro MORISAWA
E21 - EARTH DRILLING MINING
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
AUTOMATED IDENTIFICATION AND QUANTIFICATION OF SOLID DRILLING FLUID...
Publication number
20240144647
Publication date
May 2, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Reda Karoum
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ADDITIVES TO TEMPORARILY REDUCE VISCOSITIES IN OIL-BASED FLUIDS
Publication number
20240132768
Publication date
Apr 25, 2024
SCHLUMBERGER TECHNOLOGY CORPORATION
Dimitri Khramov
E21 - EARTH DRILLING MINING
Information
Patent Application
PERCUSSION DRILLING APPARATUS AND METHOD FOR MEASUREMENT WHILE DRIL...
Publication number
20240133289
Publication date
Apr 25, 2024
Rig Technologies International Pty Ltd
Kamil ROGOZINSKI
E21 - EARTH DRILLING MINING
Information
Patent Application
SELF-CLEANING THERMOMETER FOR USE IN A MUD PIT
Publication number
20240133754
Publication date
Apr 25, 2024
Halliburton Energy Services, Inc.
Dale E. JAMISON
B08 - CLEANING
Information
Patent Application
LOW-DENSITY HOLLOW GLASS BEAD (HGB) FLUIDS FOR WELLBORE DRILLING, C...
Publication number
20240132769
Publication date
Apr 25, 2024
ExxonMobil Technology and Engineering Company
Glenn PENNY
E21 - EARTH DRILLING MINING
Information
Patent Application
FLUSHING ELEMENT, ROCK DRILLING MACHINE AND METHOD
Publication number
20240133254
Publication date
Apr 25, 2024
SANDVIK MINING AND CONSTRUCTION OY
Timo KELA
E21 - EARTH DRILLING MINING
Information
Patent Application
SAG DETECTION USING THERMAL CONDUCTIVITY
Publication number
20240125722
Publication date
Apr 18, 2024
Halliburton Energy Services, Inc.
Dale E. JAMISON
E21 - EARTH DRILLING MINING
Information
Patent Application
EMERGENCY DISCONNECT ISOLATION VALVE
Publication number
20240125201
Publication date
Apr 18, 2024
SPOKED SOLUTIONS LLC
Bryce Elliott RANDLE
E21 - EARTH DRILLING MINING
Information
Patent Application
EXTENDED REACH TOOL FOR A BOTTOM HOLE ASSEMBLY
Publication number
20240117696
Publication date
Apr 11, 2024
KLX ENERGY SERVICES LLC
Ryan Nyberg
E21 - EARTH DRILLING MINING
Information
Patent Application
CIRCULATION SUB
Publication number
20240117691
Publication date
Apr 11, 2024
Black Diamond Oilfield Rentals LLC
Christopher Biggerstaff
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTAMINANT REMEDIATION WITH FUNCTIONALIZED (METH)ACRYLIC POLYMER O...
Publication number
20240117093
Publication date
Apr 11, 2024
COUNTERTRACE LLC
Robert E. HANES
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING RETURN FLOWLINE CONTINUOUS AGITATION FLOCCULANT METERING D...
Publication number
20240117690
Publication date
Apr 11, 2024
FREEMAN PUMP SOLUTIONS INC
Christopher Freeman
E21 - EARTH DRILLING MINING
Information
Patent Application
DOWNHOLE POWER MANAGEMENT SYSTEM WITH RECHARGEABLE BATTERIES AND GE...
Publication number
20240117715
Publication date
Apr 11, 2024
Halliburton Energy Services, Inc.
Imran Sharif Vehra
E21 - EARTH DRILLING MINING
Information
Patent Application
MEASURING DRILLING FLUID SALINITY WITH SMART POLYMERS
Publication number
20240118213
Publication date
Apr 11, 2024
Saudi Arabian Oil Company
Mohammed Albassam
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
ROTARY STEERABLE DRILLING ASSEMBLY AND METHOD
Publication number
20240110444
Publication date
Apr 4, 2024
National-Oilwell Varco, L.P.
Clay Williams
E21 - EARTH DRILLING MINING
Information
Patent Application
MEASURING BOTTOM-HOLE PRESSURE WITH SMART POLYMERS
Publication number
20240110451
Publication date
Apr 4, 2024
Saudi Arabian Oil Company
Mohammed Albassam
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR SALT REMOVAL FROM SOLID MEDIA
Publication number
20240109105
Publication date
Apr 4, 2024
Chevron U.S.A. Inc.
Joonkyoung Han
B08 - CLEANING
Information
Patent Application
WIRELESS REMOTE CONTROL METHOD AND SYSTEM FOR CONTROLLABLE ROTARY S...
Publication number
20240093589
Publication date
Mar 21, 2024
Chengdu University of Technology
Jianguo ZHAO
E21 - EARTH DRILLING MINING
Information
Patent Application
LOST CIRCULATION DETECTION DEVICE
Publication number
20240093599
Publication date
Mar 21, 2024
Petrochina Company Limited
Guangjie YUAN
E21 - EARTH DRILLING MINING
Information
Patent Application
APPARATUS AND METHOD FOR SEPARATING MAGNETIC PARTICLES FROM LIQUIDS...
Publication number
20240091789
Publication date
Mar 21, 2024
ROMAR INTERNATIONAL LIMITED
Malcolm Mackenzie
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
Mixing and Discharging Device, Mixing and Discharging System and Fr...
Publication number
20240084686
Publication date
Mar 14, 2024
YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
Maomao HAN
E21 - EARTH DRILLING MINING
Information
Patent Application
DRILLING SYSTEM WITH ANNULAR FLUSH SEPARATION DEVICE AND METHOD
Publication number
20240084653
Publication date
Mar 14, 2024
Workover Solutions, Inc.
Gunther HH von Gynz-Rekowski
E21 - EARTH DRILLING MINING