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Testing the nature of borehole walls Formation testing Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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CPC
E21B49/00
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Parent Industries
E
FIXED CONSTRUCTIONS
E21
Mining
E21B
EARTH DRILLING
Current Industry
E21B49/00
Testing the nature of borehole walls Formation testing Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
Sub Industries
E21B49/001
specially adapted for underwater installations
E21B49/003
by analysing drilling variables or conditions
E21B49/005
Testing the nature of borehole walls or the formation by using drilling mud or cutting data
E21B49/006
Measuring wall stresses in the borehole
E21B49/008
by injection test; by analysing pressure variations in an injection or production test
E21B49/02
by mechanically taking samples of the soil
E21B49/025
of underwater soil
E21B49/04
using explosives in boreholes using projectiles penetrating the wall
E21B49/06
with side-wall drilling tools pressing or scrapers
E21B49/08
Obtaining fluid samples or testing fluids, in boreholes or wells
E21B49/081
with down-hole means for trapping a fluid sample
E21B49/082
Wire-line fluid samplers
E21B49/083
Samplers adapted to be lowered into or retrieved from a landing nipple
E21B49/084
with means for conveying samples through pipe to surface
E21B49/086
Withdrawing samples at the surface
E21B49/087
Well testing
E21B49/088
combined with sampling
E21B49/10
using side-wall fluid samplers or testers
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Patents Grants
last 30 patents
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Patent Grant
Systems and methods for performing lithological classification of c...
Patent number
12,241,369
Issue date
Mar 4, 2025
Schlumberger Technology Corporation
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Formation analysis incorporating identification of immovable and vi...
Patent number
12,242,017
Issue date
Mar 4, 2025
Schlumberger Technology Corporation
E21 - EARTH DRILLING MINING
Information
Patent Grant
Apparatus and methods for making azimuthal resistivity measurements
Patent number
12,241,358
Issue date
Mar 4, 2025
Well Resolutions Technology
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Downhole rotary core analysis using imaging, pulse neutron, and nuc...
Patent number
12,241,360
Issue date
Mar 4, 2025
Halliburton Energy Services, Inc.
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods for positioning a well for optimal fluid production
Patent number
12,241,362
Issue date
Mar 4, 2025
ENEGIS, LLC
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Borehole wall spin-shearing device and testing method for in-situ b...
Patent number
12,241,876
Issue date
Mar 4, 2025
CHENGDU UNIVERSITY OF TECHNOLOGY
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for applying the scale inhibitor to completion fluids during...
Patent number
12,234,705
Issue date
Feb 25, 2025
Petroleo Brasileiro S.A. Petrobras
Mario Germino Ferreira Da Silva
E21 - EARTH DRILLING MINING
Information
Patent Grant
Determining hydrocarbon resource characteristics via mud logging
Patent number
12,234,724
Issue date
Feb 25, 2025
Schlumberger Technology Corporation
Shahnawaz Hossain Molla
E21 - EARTH DRILLING MINING
Information
Patent Grant
Methods and systems for predicting fluid type while geosteering
Patent number
12,234,725
Issue date
Feb 25, 2025
Schlumberger Technology Corporation
Shahnawaz Hossain Molla
E21 - EARTH DRILLING MINING
Information
Patent Grant
Monitoring and warning device for rock burst in coal mine
Patent number
12,234,732
Issue date
Feb 25, 2025
HENAN POLYTECHNIC UNIVERSITY
Hongtu Zhang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Universal bottomhole assembly node (UBHAN)
Patent number
12,228,027
Issue date
Feb 18, 2025
Well Resolutions Technology
Borislav J. Tchakarov
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Volumetric treatment fluid distribution to remove formation damage
Patent number
12,228,014
Issue date
Feb 18, 2025
Saudi Arabian Oil Company
Mohammad Aljishi
E21 - EARTH DRILLING MINING
Information
Patent Grant
Deep learning holdup solution from neutron capture and inelastic sc...
Patent number
12,228,031
Issue date
Feb 18, 2025
Halliburton Energy Services, Inc.
Mayir Mamtimin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Compact apparatus for quick core flood tests and method of use
Patent number
12,221,883
Issue date
Feb 11, 2025
Saudi Arabian Oil Company
Jinxun Wang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Attenuated total internal reflection optical sensor for obtaining d...
Patent number
12,221,886
Issue date
Feb 11, 2025
Baker Hughes Oilfield Operations LLC
Sandip Maity
G01 - MEASURING TESTING
Information
Patent Grant
Production logging instrument
Patent number
12,221,862
Issue date
Feb 11, 2025
FASTCAP ULTRACAPACITORS LLC
John J. Cooley
G01 - MEASURING TESTING
Information
Patent Grant
Detecting downhole fluid composition utilizing photon emission
Patent number
12,221,884
Issue date
Feb 11, 2025
Halliburton Energy Services, Inc.
Christopher Michael Jones
G01 - MEASURING TESTING
Information
Patent Grant
Validation for reservoir flow during formation testing
Patent number
12,221,885
Issue date
Feb 11, 2025
Halliburton Energy Services, Inc.
Mehdi Ali Pour Kallehbasti
E21 - EARTH DRILLING MINING
Information
Patent Grant
Portable gas monitor
Patent number
12,214,390
Issue date
Feb 4, 2025
ELKINS EARTHWORKS, LLC
Charles Elkins
B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information
Patent Grant
System and method for identifying productive health of wells while...
Patent number
12,215,585
Issue date
Feb 4, 2025
Saudi Arabian Oil Company
Syed Khalid Gilani
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System and method for detecting downhole events
Patent number
12,209,494
Issue date
Jan 28, 2025
ConocoPhillips Company
Yang Zha
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Reservoir fluid mapping in mature fields
Patent number
12,210,129
Issue date
Jan 28, 2025
EQUINOR ENERGY
Tao Yang
E21 - EARTH DRILLING MINING
Information
Patent Grant
Collecting samples from wellbores
Patent number
12,203,366
Issue date
Jan 21, 2025
Saudi Arabian Oil Company
Graham Hitchcock
E21 - EARTH DRILLING MINING
Information
Patent Grant
Fluid density from tunable acoustic impedance matching
Patent number
12,203,893
Issue date
Jan 21, 2025
Baker Hughes Oilfield Operations LLC
Rocco DiFoggio
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for shale gas production prediction, device, and storage medium
Patent number
12,203,352
Issue date
Jan 21, 2025
China University of Petroleum (East China)
Hai Sun
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Injecting multiple tracer tag fluids into a wellbore
Patent number
12,203,362
Issue date
Jan 21, 2025
Saudi Arabian Oil Company
Martin E. Poitzsch
E21 - EARTH DRILLING MINING
Information
Patent Grant
Method for evaluating rock drillability by nano-indentation test on...
Patent number
12,203,365
Issue date
Jan 21, 2025
CHINA UNIVERSITY OF PETROLEUM (EAST CHINA)
Zizhen Wang
E21 - EARTH DRILLING MINING
Information
Patent Grant
While drilling single well seismic profiling acquisition system usi...
Patent number
12,196,906
Issue date
Jan 14, 2025
Saudi Arabian Oil Company
Ali Aldawood
G01 - MEASURING TESTING
Information
Patent Grant
Parameterization of nuclear magnetic resonance transverse relaxatio...
Patent number
12,196,910
Issue date
Jan 14, 2025
Saudi Arabian Oil Company
Weihua Wang
G01 - MEASURING TESTING
Information
Patent Grant
Salinity as a de-risking tool for carbon capture
Patent number
12,196,078
Issue date
Jan 14, 2025
Saudi Arabian Oil Company
Sylvester Egbeni
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
PREDICTED BIAS CORRECTION FOR DRILLING FLUIDS
Publication number
20250067716
Publication date
Feb 27, 2025
Halliburton Energy Services, Inc.
Mathew Dennis Rowe
E21 - EARTH DRILLING MINING
Information
Patent Application
CALIBRATING FRICTION FACTOR AND ROCK FRACTURE PROPERTIES
Publication number
20250067163
Publication date
Feb 27, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Bo Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM OF MONITORING A HYDROCARBON RESERVOIR
Publication number
20250067167
Publication date
Feb 27, 2025
RESMAN AS
Brock WILLIAMS
E21 - EARTH DRILLING MINING
Information
Patent Application
CORING TOOLS HAVING CORING SHAFTS WITH ASSOCIATED INTERNAL STATIC S...
Publication number
20250067174
Publication date
Feb 27, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Amol Bhome
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD FOR EVALUATING AND RANKING THE ENHANCED RECOVERY POTENTIAL F...
Publication number
20250067718
Publication date
Feb 27, 2025
ARAMCO SERVICES COMPANY
Anuj Gupta
E21 - EARTH DRILLING MINING
Information
Patent Application
Gas Chromatography for Liquid Phase Light Hydrocarbon Detection
Publication number
20250067719
Publication date
Feb 27, 2025
Halliburton Energy Services, Inc.
Mathew Dennis Rowe
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
SYSTEMS AND METHODS FOR DISCOVERING AND RECOVERING SUBSURFACE FLUID...
Publication number
20250067175
Publication date
Feb 27, 2025
Koloma, Inc.
Jacob Harrington
E21 - EARTH DRILLING MINING
Information
Patent Application
MONITORING AND WARNING DEVICE FOR ROCK BURST IN COAL MINE
Publication number
20250067179
Publication date
Feb 27, 2025
Henan Polytechnic University
Hongtu ZHANG
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEM AND METHOD FOR AUTOMATIC WELL LOG NORMALIZATION IN MULTIPLE...
Publication number
20250067172
Publication date
Feb 27, 2025
ARAMCO SERVICES COMPANY
Chicheng Xu
E21 - EARTH DRILLING MINING
Information
Patent Application
BENCHTOP AUTOMATED CUTTINGS IMAGING AND ANALYSIS
Publication number
20250067173
Publication date
Feb 27, 2025
Halliburton Energy Services, Inc.
Mathew Dennis Rowe
E21 - EARTH DRILLING MINING
Information
Patent Application
SYSTEMS AND METHODS FOR ENHANCING CARBON DIOXIDE INJECTIVITY INTO A...
Publication number
20250067152
Publication date
Feb 27, 2025
Saudi Arabian Oil Company
Hui-Hai Liu
E21 - EARTH DRILLING MINING
Information
Patent Application
ANALYSIS OF GEOLOGICAL DISCONTINUITIES AND RELATED METHODS
Publication number
20250060351
Publication date
Feb 20, 2025
Michael P. Smith
E21 - EARTH DRILLING MINING
Information
Patent Application
ADAPTIVE MULTISCALE NEAR-WELLBORE STRESS AND STABILITY ANALYSIS METHOD
Publication number
20250059887
Publication date
Feb 20, 2025
ARAMCO SERVICES COMPANY
Yanhui Han
E21 - EARTH DRILLING MINING
Information
Patent Application
AUTOMATED DETERMINATION OF AN NMR PULSE SEQUENCE
Publication number
20250060505
Publication date
Feb 20, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Can Evren Yarman
E21 - EARTH DRILLING MINING
Information
Patent Application
CONTINUOUS EMISSIONS MONITOR FOR DIRECTED-ENERGY BOREHOLE DRILLING
Publication number
20250060314
Publication date
Feb 20, 2025
Massachusetts Institute of Technology
Paul P. Woskov
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND SYSTEM FOR SELECTING LOST CIRCULATION MATERIALS FOR BORI...
Publication number
20250059874
Publication date
Feb 20, 2025
ARAMCO SERVICES COMPANY
Dung T. Phan
E21 - EARTH DRILLING MINING
Information
Patent Application
INTELLIGENT WELL TESTING SYSTEM
Publication number
20250059888
Publication date
Feb 20, 2025
TESTALL AS
Per Erik BERGER
E21 - EARTH DRILLING MINING
Information
Patent Application
MATERIAL IMAGING SYSTEM AND METHOD
Publication number
20250060484
Publication date
Feb 20, 2025
ESCO Group LLLC
Timothy A. McKinley
G08 - SIGNALLING
Information
Patent Application
METHOD FOR REAL-TIME FRACTURES DETECTION USING DRILL BIT AS SOURCE
Publication number
20250060499
Publication date
Feb 20, 2025
ARAMCO SERVICES COMPANY
Farhan Naseer
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Methods for Conducting a Pressure Test to Minimize Over Pressurizat...
Publication number
20250059869
Publication date
Feb 20, 2025
Halliburton Energy Services, Inc.
Timothy Holiman Hunter
E21 - EARTH DRILLING MINING
Information
Patent Application
PROCESSES FOR INJECTION OF FLUIDS INTO A WELLBORE VIA DRILL PIPE
Publication number
20250059847
Publication date
Feb 20, 2025
SCHLUMBERGER TECHNOLOGY CORPORATION
Francois-Xavier Dubost
E21 - EARTH DRILLING MINING
Information
Patent Application
VORTEX SUPPRESSION DEVICE
Publication number
20250059990
Publication date
Feb 20, 2025
HALDATEC PTY LTD
Cameron Seymour
E21 - EARTH DRILLING MINING
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Patent Application
COMPOSITIONS COMPRISING PROPPANT PARTICULATES HAVING ENCAPSULATED M...
Publication number
20250059885
Publication date
Feb 20, 2025
Saudi Arabian Oil Company
Wael O. BADEGHAISH
E21 - EARTH DRILLING MINING
Information
Patent Application
Determining Subsurface Formation Boundaries
Publication number
20250059886
Publication date
Feb 20, 2025
Saudi Arabian Oil Company
Anuar Shakirov
E21 - EARTH DRILLING MINING
Information
Patent Application
Predicting Estimated Ultimate Recovery By Well In Unconventional Re...
Publication number
20250061255
Publication date
Feb 20, 2025
Landmark Graphics Corporation
Benjamin Freestone
G06 - COMPUTING CALCULATING COUNTING
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Patent Application
DETERMINING THICKNESS OF GLACIAL CHANNELS FROM SEISMIC SURVEYS
Publication number
20250052921
Publication date
Feb 13, 2025
Saudi Arabian Oil Company
Ahmed Naseem Al-Dawood
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
SYSTEM AND METHOD FOR IMAGING SUBSURFACE DENSITY USING COSMIC RAY M...
Publication number
20250052149
Publication date
Feb 13, 2025
Ideon Technologies Inc.
Douglas William SCHOUTEN
E21 - EARTH DRILLING MINING
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Patent Application
SLURRIFICATION AND DISPOSAL OF WASTE BY PRESSURE PUMPING INTO A SUB...
Publication number
20250052134
Publication date
Feb 13, 2025
Advantek International Corporation
Ahmed S. Abou-Sayed
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
METHOD FOR EVALUATING PRODUCTIVITY OF VERTICALLY HETEROGENEOUS GAS...
Publication number
20250052152
Publication date
Feb 13, 2025
Hainan Branch of China National Offshore Oil (China) Co., Ltd.
Changgui XU
E21 - EARTH DRILLING MINING
Information
Patent Application
FORMATION PERMEABILITY ANISOTROPY MEASUREMENT BY INJECTING THEN PUM...
Publication number
20250052153
Publication date
Feb 13, 2025
Halliburton Energy Services, Inc.
Bin Dai
E21 - EARTH DRILLING MINING