ClassID:

135618

E21B43/122 - CPC Classification

Classification description:

Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells; Methods or apparatus for controlling the flow of the obtained fluid to or in wells; Lifting well fluids Gas lift

Sub-classes:
Recent Application in this class:
#1
20260146517
2026-05-28

GAS SPARGER HEAD FOR AIRLIFT GEOTHERMAL SYSTEMS

#2
20260125972
2026-05-07

METHODS AND APPARATUSES FOR AUTOMATICALLY IMPROVING WELL MANAGEMENT IN SYSTEMS OF WELLS

#3
20260078657
2026-03-19

SYNERGISTIC EFFECTS OF NANOPARTICLES AND SURFACTANTS FOR GAS LIFT FLOW IMPROVEMENT

#4
20260049541
2026-02-19

SYSTEM AND METHOD FOR CAPTURING AND REPURPOSING GAS RELEASED DURING OILFIELD OPERATIONS

#5
20260043318
2026-02-12

FLUID LIFTING SYSTEM TO BE PLACED IN A FLUID PRODUCTION WELL, RELATED FLUID PRODUCTION INSTALLATION AND PROCESS

#6
20260022627
2026-01-22

ANOMALOUS WELL OPERATION DETECTION

#7
20250334030
2025-10-30

INTEGRATED PRESSURE BARRIER-RELATED COMPLETION SYSTEM FOR GAS-LIFT WELLS

#8
20250327387
2025-10-23

Gas and Water Breakthrough Detection

#9
20250314166
2025-10-09

METHODS OF SWABBING LIQUID LOADED WELLS, AND KILLING WELLS, WITH THE USE OF COMPRESSION PUMPS, REGULATORS AND FILTRATION TECHNIQUES

#10
20250297536
2025-09-25

METHODS AND SYSTEMS FOR GAS-LIFT ANOMALY DETECTION USING INTEGRATED UNSUPERVISED LEARNING MODELS

#11
20250283400
2025-09-11

MULTI-STAGE, LIMITED ENTRY DOWNHOLE GAS SEPARATOR

#12
20250270908
2025-08-28

GAS ASSISTED PLUNGER LIFT CONTROL SYSTEM AND METHOD

#13
20250257636
2025-08-14

Full Drift Through a Gas Lift Injection Packer Assembly

#14
20250215772
2025-07-03

METHODS AND SYSTEMS FOR OPTIMIZING GAS-LIFTING OPERATIONS

#15
20250163785
2025-05-22

DEVICES, SYSTEMS, AND METHODS FOR GAS LIFT GAS

#16
20250137332
2025-05-01

Mandrel with integrated centralizer

#17
20250129693
2025-04-24

SYSTEMS AND METHODS FOR OPTIMIZATION OF WELLBORE OPERATIONS OF PRODUCING WELLS

#18
20250075602
2025-03-06

PREDICTING GAS LIFT EQUIPMENT FAILURE WITH DEEP LEARNING TECHNIQUES

#19
20250075601
2025-03-06

FLEXIBLE ANVIL FOR A PLUNGER LIFT SYSTEM

#20
20250059861
2025-02-20

FLEXIBLE GAS LIFT OPTIMIZATION

#21
20250034973
2025-01-30

SAND MONITORING AND CONTROL SYSTEM

#22
20250020144
2025-01-16

METHODS AND APPARATI FOR QUICKSET GAS LIFT SEPARATION AND LIQUID STORAGE

#23
20240401446
2024-12-05

SYNERGISTIC EFFECTS OF NANOPARTICLES AND SURFACTANTS FOR GAS LIFT FLOW IMPROVEMENT

#24
20240384632
2024-11-21

Gas and Water Breakthrough Detection

#25
20240376799
2024-11-14

Concentric smart well completion

#26
20240336832
2024-10-10

Propoxylates for foam enhancement

#27
20240328289
2024-10-03

Gas-lift control

#28
20240287881
2024-08-29

Deep gas-lift in compromised wells

#29
20240254866
2024-08-01

Downhole gas ventilation system for artificial lift applications

#30
20240254853
2024-08-01

Gas injection operational safety for subterranean wells

#31
20240247571
2024-07-25

AUTONOMOUS INJECTION CHOKE SYSTEM FOR GAS LIFT WELLS

#32
20240200442
2024-06-20

Plunger lift systems and related methods

#33
20240191606
2024-06-13

Devices, systems, and methods for gas lift gas

#34
20240141763
2024-05-02

GOLF-TYPE GAS LIFT BALL, GAS LIFT OIL RECOVERY DEVICE, CONTROL SYSTEM, AND CONTROL METHOD

#35
20240052729
2024-02-15

Methods and systems employing autonomous choke control for mitigation of liquid loading in gas wells

#36
20240018854
2024-01-18

METHODOLOGY FOR DESIGN AND OPERATIONS OF FIELD-WIDE AND MULTI-WELL ENHANCED OIL RECOVERY OF UNCONVENTIONAL HYDROCARBON ASSETS

#37
20230407727
2023-12-21

Deep gas lift

#38
20230393008
2023-12-07

GRAPHENE-BASED ELECTRICAL CIRCUIT FLUID SYSTEM COMPONENT

#39
20230392463
2023-12-07

Gas lift latch

#40
20230383630
2023-11-30

Automated plunger catcher actuator and method

#41
20230383629
2023-11-30

High-temperature and high-pressure simulator for deep in-situ environment

#42
20230340863
2023-10-26

Wellhead boosting apparatus and system

#43
20230323763
2023-10-12

DOWNHOLE SEPARATOR

#44
20230287879
2023-09-14

Multi-plunger coordinated gas lift liquid drainage system and liquid drainage method thereof

#45
20230279852
2023-09-07

Gas lift compressor system and method for supplying compressed gas to multiple wells

#46
20230243245
2023-08-03

Well production manifold for liquid assisted gas lift applications

#47
20230220759
2023-07-13

Down-hole separator for in-situ gas-lift

#48
20230204817
2023-06-29

AUTOMATED METHOD FOR OPTIMIZING ADJUSTMENT FACTORS OF FLOW MODELS

#49
20230184264
2023-06-15

Methods and apparati for quickset gas lift separation and liquid storage

#50
20230175365
2023-06-08

GAS SPARGER HEAD FOR AIRLIFT GEOTHERMAL SYSTEMS

#51
20230151718
2023-05-18

Gas-lift mandrel provided with a scale inhibitor injection system

#52
20230140617
2023-05-04

Recording data from flow networks

#53
20230134816
2023-05-04

Method for the identification of operational problems in wells that produce by gas-lift

#54
20230102565
2023-03-30

Generated hydrogen gas lift system

#55
20230083821
2023-03-16

SELECTIVELY INJECTABLE CHEMICAL ADDITIVE

#56
20230041390
2023-02-09

Methods for in-situ application of a coating agent to production tubing using a plunger lift system

#57
20230022556
2023-01-26

Tubing and annular gas lift

#58
20230019787
2023-01-19

Plunger lift systems and related methods

#59
20230013265
2023-01-19

Gas assisted plunger lift control system and method

#60
20220349282
2022-11-03

Permanent packer and extended gas lift method using permanent packer

#61
20220333453
2022-10-20

Downhole core plug apparatuses and related methods

#62
20220331714
2022-10-20

Particle trap apparatus and method

#63
20220316303
2022-10-06

HYBRID HYDROCARBON LIFT SYSTEM AND METHOD

#64
20220298899
2022-09-22

HYBRID HYDRAULIC GAS PUMP SYSTEM

#65
20220275711
2022-09-01

Lifting hydrocarbons in stages with side chambers

#66
20220268137
2022-08-25

Automated method for gas lift operations

#67
20220252060
2022-08-11

Gas transport and pressurization system

#68
20220251913
2022-08-11

Guide sleeve for use with side pocket mandrel

#69
20220235638
2022-07-28

Sectional pumping apparatus for well case

#70
20220228465
2022-07-21

MULTI-AGENT, MULTI-OBJECTIVE WELLBORE GAS-LIFT OPTIMIZATION

#71
20220195859
2022-06-23

Horizontal wellbore separation systems and methods

#72
20220170485
2022-06-02

Methods and apparati for quickset gas lift separation and liquid storage

#73
20220162937
2022-05-26

Assessment of flow networks

#74
20220154564
2022-05-19

Low emissions well pad with integrated enhanced oil recovery

#75
20220145734
2022-05-12

Automatic in-situ gas lifting using inflow control valves

#76
20220112792
2022-04-14

Torpedo plunger

#77
20220098960
2022-03-31

Device and method for gas lift of a reservoir fluid

#78
20220090595
2022-03-24

Gas lift compressor system and method for supplying compressed gas to multiple wells

#79
20220072467
2022-03-10

SYSTEM AND METHOD FOR CONDITIONING GAS FOR DOWNHOLE APPLICATIONS

#80
20220065092
2022-03-03

Gas-lift system with paired controllers

#81
20220042401
2022-02-10

Hybrid hydraulic gas pump system

#82
20210404311
2021-12-30

Multi-Stage, Limited Entry Downhole Gas Separator

#83
20210404302
2021-12-30

Wellbore gas lift optimization

#84
20210363865
2021-11-25

Jetting plunger for plunger lift applications

#85
20210348604
2021-11-11

Gas lift compressor system and method for supplying compressed gas to multiple wells

#86
20210332695
2021-10-28

Selectively injectable tracer flowmeter

#87
20210301634
2021-09-30

Gas-lift treatment system

#88
20210270111
2021-09-02

Gas lift systems, flow regime modifiers, and related methods

#89
20210239135
2021-08-05

Methods and apparati for quickset gas lift separation and liquid storage

#90
20210238967
2021-08-05

System and method of well operations using a virtual plunger

#91
20210198988
2021-07-01

Autonomous optimization of single-well and multi-well gas lift

#92
20210198987
2021-07-01

Gas operated, retrievable well pump for assisting gas lift

#93
20210148201
2021-05-20

Tubing and annular gas lift

#94
20210148200
2021-05-20

Processes and systems for injection of a liquid and gas mixture into a well

#95
20210140286
2021-05-13

SYSTEMS AND METHODS OF REMOVING STAGNANT LIQUID FROM A HYDROCARBON WELL

#96
20210108492
2021-04-15

Apparatuses and methods for gas extraction from reservoirs

#97
20210079773
2021-03-18

Well injection and production method and system

#98
20210079770
2021-03-18

Method of wellbore operations

#99
20210071505
2021-03-11

Gas assisted plunger lift control system and method

#100
20210040828
2021-02-11

Vacuum generator device through supersonic impulsion for oil wells

#101
20210040824
2021-02-11

Downhole Artificial Lift Compressor for Improving Unconventional Oil and Gas Recovery

#102
20210040375
2021-02-11

Foaming Agent Composition and Method for Removing Hydrocarbon Liquids from Subterranean Wells

#103
20210032965
2021-02-04

SYSTEMS AND PROCESSES FOR PERFORMING ARTIFICIAL LIFT ON A WELL

#104
20210002989
2021-01-07

Apparatus for conditioning natural gas for use in gas lift artificial lift applications in oil and gas production

#105
20200399999
2020-12-24

Opportunistic techniques for production optimization of gas-lifted wells

#106
20200362677
2020-11-19

Tubing and annular gas lift

#107
20200347705
2020-11-05

Sealing plunger lift system and tubing connector

#108
20200325750
2020-10-15

Sealing tubing anchor catcher

#109
20200291762
2020-09-17

Multi-stage, limited entry downhole gas separator

#110
20200284103
2020-09-10

Method of manufacturing a side pocket mandrel body

#111
20200277844
2020-09-03

Apparatus and methods for operating gas lift wells

#112
20200270975
2020-08-27

System and method for low pressure gas lift artificial lift

#113
20200263079
2020-08-20

Hydrocarbon well deliquification using dry ice

#114
20200263078
2020-08-20

Hydrocarbon well deliquification using alkali metal silicides

#115
20200256134
2020-08-13

Side pocket mandrel with enhanced pressure rating

#116
20200240253
2020-07-30

System and method for hydraulically driven underwater pumping

#117
20200232307
2020-07-23

Compressor for gas lift operations, and method for injecting a compressible gas mixture

#118
20200224519
2020-07-16

Floating gas lift method

#119
20200224510
2020-07-16

Modular vertical wet christmas tree, installation method and intervention method thereof

#120
20200217180
2020-07-09

Hybrid artificial lift system and method

#121
20200217179
2020-07-09

Gas lift systems, flow regime modifiers, and related methods

#122
20200208471
2020-07-02

Downhole blower system with pin bearing

#123
20200199977
2020-06-25

Method and system for unconventional gas lift optimization

#124
20200182026
2020-06-11

Wellbore annular safety valve and method

#125
20200165908
2020-05-28

Downhole sand screen with automatic flushing system

#126
20200141214
2020-05-07

Recycle loop for a gas lift plunger

#127
20200131873
2020-04-30

RELEASABLE TOOL FOR EFFECTING COUPLING WITHIN A WELLBORE

#128
20200115998
2020-04-16

Lift plungers with electrodeposited coatings, and systems and methods for producing the same

#129
20200109723
2020-04-09

METHODS AND APPARATI FOR QUICKSET GAS LIFT SEPARATION AND LIQUID STORAGE

#130
20200080407
2020-03-12

Recording data from flow networks

#131
20200072030
2020-03-05

Downhole blower system with a passive magnetic radial bearing assembly

#132
20200070067
2020-03-05

Ultrasonic microbubble generation method, apparatus and system

#133
20200063525
2020-02-27

Hydrocarbon wells including electrically actuated gas lift valve assemblies and methods of providing gas lift in a hydrocarbon well

#134
20200032629
2020-01-30

Environmentally friendly, reliable, scalable, and efficient micro-turbine electric generator system

#135
20200011349
2020-01-09

Methods and apparati for quickset gas lift separation and liquid storage

#136
20190376373
2019-12-12

Artificial lift method and apparatus for horizontal well

#137
20190338180
2019-11-07

Wear inhibitor for oil and gas production

#138
20190316450
2019-10-17

Well livening tool based on nitrogen producing chemistry

#139
20190316437
2019-10-17

Downhole straddle system

#140
20190292888
2019-09-26

Tubing and annular gas lift

#141
20190284920
2019-09-19

Method for dewatering and operating coal seam gas wells

#142
20190277119
2019-09-12

Flow Control System and Method

#143
20190263679
2019-08-29

Method and apparatus for separation of a substance from groundwater

#144
20190211656
2019-07-11

Method and system for recovering gas in natural gas hydrate exploitation

#145
20190203570
2019-07-04

Unibody bypass plunger and valve cage with sealable ports

#146
20190176101
2019-06-13

Apparatus for separation of a substance from groundwater

#147
20190169967
2019-06-06

Downhole casing patch

#148
20190144737
2019-05-16

Pre-flush for oil foamers

#149
20190120043
2019-04-25

Systems and methods for estimating and controlling liquid level using periodic shut-ins

#150
20190120042
2019-04-25

Systems and methods for dynamic liquid level monitoring and control

#151
20190120034
2019-04-25

PVDF pipe and methods of making and using same

#152
20190120029
2019-04-25

USE OF NATURAL GAS FOR DELIQUIFICATION

#153
20190093455
2019-03-28

Detecting and mitigating flow instabilities in hydrocarbon production wells

#154
20190078421
2019-03-14

Downhole artificial lift system

#155
20190024475
2019-01-24

Bypass assembly for production packer

#156
20190010792
2019-01-10

Process for producing hydrocarbons from a subterranean hydrocarbon-bearing reservoir

#157
20190003289
2019-01-03

ENHANCED RISER-BASED GAS-LIFT APPARATUS

#158
20180363442
2018-12-20

Gas-lift system with paired controllers

#159
20180363429
2018-12-20

PLUNGER LIFT ASSEMBLY

#160
20180347343
2018-12-06

Methods and systems for downhole sensing and communications in wells

#161
20180320504
2018-11-08

Assessment of flow networks

#162
20180283155
2018-10-04

Systems and apparatuses for separating wellbore fluids and solids during production

#163
20180283148
2018-10-04

AUTOMATED LIFT-GAS BALANCING IN OIL PRODUCTION

#164
20180272252
2018-09-27

DEVICES, SYSTEMS AND METHODS FOR PASSIVELY ENHANCING GAS EVOLUTION AND DISSOLUTION RATES

#165
20180223643
2018-08-09

SYSTEMS AND METHODS FOR PRODUCING FORMATION FLUIDS

#166
20180223637
2018-08-09

Apparatuses and methods for gas extraction from reservoirs

#167
20180180055
2018-06-28

Downhole blower system with pin bearing

#168
20180179872
2018-06-28

Downhole blower system with passive radial bearings

#169
20180179871
2018-06-28

Altering characteristics of a wellbore by mechanical intervention at the source

#170
20180179870
2018-06-28

Direct well casing deployment of downhole blower system

#171
20180179869
2018-06-28

Apparatus and methods for operating gas lift wells

#172
20180179867
2018-06-28

Well optimization using downhole blower system

#173
20180179866
2018-06-28

Downhole blower system with integrated construction

#174
20180179849
2018-06-28

Deploying seals to a downhole blower system

#175
20180174247
2018-06-21

A Method of Generating a Production Strategy for the Development of a Reservoir of Hydrocarbon in a Natural Environment

#176
20180163526
2018-06-14

Hydrocarbon wells and methods cooperatively utilizing a gas lift assembly and an electric submersible pump

#177
20180163522
2018-06-14

Fluid injection system

#178
20180163118
2018-06-14

Foaming agent composition and method for removing hydrocarbon liquids from subterranean wells

#179
20180135387
2018-05-17

Process for remediating hydrates from subsea flowlines

#180
20180128938
2018-05-10

PREDICTION OF METHANE HYDRATE PRODUCTION PARAMETERS

#181
20180112509
2018-04-26

Systems and apparatuses for separating wellbore fluids and solids during production

#182
20180112508
2018-04-26

Systems and apparatuses for separating wellbore fluids and solids during production

#183
20180112502
2018-04-26

Latch for a ball and sleeve plunger

#184
20180100384
2018-04-12

Systems and apparatuses for separating wellbore fluids and solids during production

#185
20180100383
2018-04-12

Systems and apparatuses for separating wellbore fluids and solids during production

#186
20180058191
2018-03-01

Plunger lift monitoring via a downhole wireless network field

#187
20180016880
2018-01-18

Compressor for gas lift operations, and method for injecting a compressible gas mixture

#188
20180010436
2018-01-11

Device for discharging liquids accumulated in a well

#189
20180003019
2018-01-04

Steam operated injection and production device

#190
20170362907
2017-12-21

System and method to install velocity string

#191
20170356278
2017-12-14

Method and system for maximizing production of a well with a gas assisted plunger lift

#192
20170356276
2017-12-14

Bypass plungers including force dissipating elements and methods of using the same

#193
20170356267
2017-12-14

Downhole straddle assembly

#194
20170343986
2017-11-30

METHODS AND SYSTEM FOR ENHANCING FLOW OF A GAS LIFTED WELL

#195
20170292361
2017-10-12

System and method for extracting gas from a well

#196
20170292351
2017-10-12

Method and apparatus for estimating down-hole process variables of gas lift system

#197
20170247989
2017-08-31

Plunger to Form a Liquid Ring to Seal Against Gas Bypass

#198
20170241216
2017-08-24

Method of manufacturing a side pocket mandrel body

#199
20170216893
2017-08-03

Devices and techniques relating to landfill gas extraction

#200
20170216892
2017-08-03

Devices and techniques relating to landfill gas extraction

#201
20170216891
2017-08-03

Devices and techniques relating to landfill gas extraction

#202
20170211364
2017-07-27

KINETIC ENERGY MONITORING FOR A PLUNGER LIFT SYSTEM

#203
20170204710
2017-07-20

COMPRESSED NATURAL GAS ARTIFICIAL GAS LIFT

#204
20170191355
2017-07-06

TWO-STEP ARTIFICIAL LIFT SYSTEM AND METHOD

#205
20170183955
2017-06-29

Gas lift analysis and troubleshooting

#206
20170183946
2017-06-29

Actuatable Plungers with Actuatable External Seals, and Systems and Methods Including the Same

#207
20170183945
2017-06-29

Actuatable Plungers with Actuatable External Seals, and Systems and Methods Including the Same

#208
20170183944
2017-06-29

Recycle loop for a gas lift plunger

#209
20170159412
2017-06-08

Recycle loop for a gas lift plunger

#210
20170130573
2017-05-11

SYSTEMS AND METHODS FOR PRODUCING FORMATION FLUIDS

#211
20170107811
2017-04-20

Method for monitoring gas lift wells using minimal concentration tracer materials

#212
20170107807
2017-04-20

Systems and apparatuses for separating wellbore fluids and solids during production

#213
20170101857
2017-04-13

Process and system for producing carbon dioxide for enhanced oil recovery

#214
20170101856
2017-04-13

Vortex plunger arrangement

#215
20170074084
2017-03-16

Device for recovery of gas from liquid-loaded gas wells

#216
20170051589
2017-02-23

Production riser with a gas lift facility

#217
20170051588
2017-02-23

Gas compression system for wellbore injection, and method for optimizing gas injection

#218
20170051587
2017-02-23

Gas well deliquification

#219
20170044876
2017-02-16

Production Surveillance and Optimization Employing Data Obtained from Surface Mounted Sensors

#220
20170022794
2017-01-26

Method and apparatus for removing liquid from a gas producing well

#221
20170009567
2017-01-12

Down-hole liquid level control for hydrocarbon wells

#222
20170009558
2017-01-12

Shared equation of state characterization of multiple fluids

#223
20170008135
2017-01-12

SYSTEMS AND METHODS FOR REFURBISHING A PLUNGER OF A GAS WELL SYSTEM

#224
20170002634
2017-01-05

Pad plunger

#225
20160376880
2016-12-29

Downhole system for unloading liquid

#226
20160298432
2016-10-13

Liquefied gas-driven production system

#227
20160290363
2016-10-06

Compression Apparatus

#228
20160290116
2016-10-06

Fluid driven commingling system for oil and gas applications

#229
20160265333
2016-09-15

Fluid homogenizer system for gas segregated liquid hydrocarbon wells and method of homogenizing liquids produced by such wells

#230
20160258262
2016-09-08

Hydrocarbon production facility, production method and upgrade method

#231
20160245052
2016-08-25

Downhole casing patch

#232
20160230519
2016-08-11

Liquefied Gas-Driven Gas-Lift System

#233
20160208605
2016-07-21

System and method for monitoring fluid flow in a wellbore using acoustic telemetry

#234
20160153268
2016-06-02

A GAS LIFT SYSTEM AND A GAS LIFT METHOD

#235
20160153266
2016-06-02

Oilfield-wide production optimization

#236
20160138762
2016-05-19

Subsea fluid processing system and an associated method thereof

#237
20160130920
2016-05-12

Downhole pumping apparatus and method

#238
20160115769
2016-04-28

Pad-type plunger

#239
20160108709
2016-04-21

SYSTEM AND METHOD FOR PRODUCTION OF RESERVOIR FLUIDS

#240
20160102533
2016-04-14

CATASTROPHIC HIT INDICATOR FOR CATCHER IN PLUNGER GAS/FLUID LIFT SYSTEM FOR WELL OPERATIONS

#241
20160075932
2016-03-17

Foamed fluid compositions having high salinity using anionic surfactants and methods therefor

#242
20160069152
2016-03-10

Gas lift mandrel and isolator

#243
20160053753
2016-02-25

Distributed real-time processing for gas lift optimization

#244
20160053593
2016-02-25

Gas lift optimization employing data obtained from surface mounted sensors

#245
20160010436
2016-01-14

Bypass plunger

#246
20150377000
2015-12-31

Liquid or Hydrate Power System Applied To A Single Point Injection Gas Lift System

#247
20150369023
2015-12-24

WELL INJECTION AND PRODUCTION METHOD AND SYSTEM

#248
20150354325
2015-12-10

Device and method for improving gas lift

#249
20150285050
2015-10-08

UPLIFTED SINGLE WELL STEAM ASSISTED GRAVITY DRAINAGE SYSTEM AND PROCESS

#250
20150275633
2015-10-01

Selectively actuated plungers and systems and methods including the same

#251
20150267519
2015-09-24

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