ClassID:

135574

E21B41/02 - CPC Classification

Classification description:

Equipment or details not covered by groups  -  inhibition of corrosion in boreholes or wells

Recent Application in this class:
#1
20260117115
2026-04-30

CORROSION INHIBITOR COMPOSITION AND METHOD FOR INHIBITING CORROSION IN GEOTHERMAL WELL SYSTEM

#2
20260098201
2026-04-09

EXTENDED RELEASE SCALE INHIBITORS CONTAINING AMINE FUNCTIONALIZED SILICA

#3
20260081544
2026-03-19

CONSTANT INPUT POWER CONTROL METHOD FOR ELECTRIC MOTORS IN DOWNHOLE TOOLS

#4
20260022289
2026-01-22

CORROSION INHIBITOR COMPOSITIONS FOR REDUCING CORROSION, AND RELATED METHODS OF OPERATING A WELLBORE

#5
20260008951
2026-01-08

HYDROGEN SULFIDE SCAVENGING COMPOSITIONS

#6
20250369553
2025-12-04

CORROSION TREATMENT FOR PIPES

#7
20250333636
2025-10-30

FORMULATIONS AND METHODS FOR INHIBITING ENVIRONMENTAL CRACKING

#8
20250327371
2025-10-23

TOE FLAP VALVE FOR INTERNAL CORROSION PREVENTION IN CCUS INJECTION WELL TUBING

#9
20250320402
2025-10-16

SYSTEMS AND METHODS FOR SCAVENGING SULFUR-CONTAINING MATERIALS USING A PRECURSOR SCAVENGER MATERIAL

#10
20250305396
2025-10-02

ELUTION SYSTEMS FOR TREATMENT OF SUBTERRANEAN RESERVOIRS

#11
20250297154
2025-09-25

COMPOSITION AND METHOD FOR IMPROVING THE PRODUCTION OF PETROLEUM HYDROCARBONS

#12
20250264010
2025-08-21

METHODS FOR SELECTION OF COMPOSITION AND CONCENTRATION OF A CORROSION INHIBITOR PACKAGE USED IN STIMULATION OF SUBTERRANEAN FORMATIONS INVOLVING ACID-CONTAINING FLUIDS

#13
20250243725
2025-07-31

Wellhead Attachment Device

#14
20250243402
2025-07-31

SLOW REACTING ACIDIZING COMPOSITIONS AND METHODS

#15
20250163779
2025-05-22

Apparatus And Methods For An Erosion Control Coating On An Interior Surface Of Production Equipment

#16
20250146411
2025-05-08

REAL-TIME ANALYSIS OF PRODUCTION CHEMICALS AT WELLSITES

#17
20250137358
2025-05-01

CORROSION RESISTANT SYSTEM FOR PIPE CONNECTIONS

#18
20250115806
2025-04-10

DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#19
20250115805
2025-04-10

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#20
20250092304
2025-03-20

WELL CLEAN PREMIUM (WCP-1) SYSTEM AND METHOD

#21
20250084735
2025-03-13

CARBON RICH LAYER FOR SCALE CONTROL

#22
20250075595
2025-03-06

CORROSION INHIBITOR COMPOSITIONS FOR REDUCING CORROSION, AND RELATED METHODS OF OPERATING A WELLBORE

#23
20250059434
2025-02-20

EMULSIONS CONTAINING WATER-SOLUBLE ACID RETARDING AGENTS AND METHODS OF MAKING AND USING

#24
20250011644
2025-01-09

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#25
20250011643
2025-01-09

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#26
20250002773
2025-01-02

POLYKETONE RESIN BLEND WITH COLORANT

#27
20240401472
2024-12-05

WELL INSTALLATION ELECTRICAL TRANSMISSION SYSTEMS

#28
20240400883
2024-12-05

Method for reducing hydrogen sulfide in a subterranean formation

#29
20240400882
2024-12-05

Process for removing hydrogen sulfide from a gas composition

#30
20240400881
2024-12-05

WEIGHTED DRILLING FLUID COMPOSITION

#31
20240392665
2024-11-28

ELUTION SYSTEMS FOR TREATMENT OF SUBTERRANEAN RESERVOIRS

#32
20240384627
2024-11-21

Removable covers for magnetic scale inhibitors

#33
20240384152
2024-11-21

SODIUM DECYL- AND LAURYLGLUCOSIDES HYDROXYPROPYL PHOSPHATES AS LUBRICATING AGENTS IN AQUEOUS BASED DRILLING FLUIDS

#34
20240336827
2024-10-10

DRILLING FLUID COMPOSITION AND METHOD FOR REMOVING HYDROGEN SULFIDE CONTENT USING THE SAME

#35
20240301277
2024-09-12

Methods for Stimulating a Hydrocarbon-bearing Formation by Perforating a Wellbore and Introducing an Acidic Composition in the Wellbore

#36
20240279535
2024-08-22

Calcareous rock stimulation method

#37
20240279534
2024-08-22

Acid injection and fracturing method for porous subterranean geological formation

#38
20240279533
2024-08-22

DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#39
20240271033
2024-08-15

Downhole rock treatment method with corrosion inhibition

#40
20240271029
2024-08-15

MODIFIED SILICA NANOPARTICLE AND METHODS OF SYNTHESIS

#41
20240254863
2024-08-01

Scale/corrosion inhibitor dispenser for wellbore protection

#42
20240254383
2024-08-01

NOVEL DOWNHOLE METHODS AND COMPOSITIONS USED IN SUCH

#43
20240228862
2024-07-11

Composition and Method for Improving the Production of Petroleum Hydrocarbons

#44
20240198381
2024-06-20

APPLYING CORROSION INHIBITOR WITHIN TUBULARS

#45
20240191128
2024-06-13

Methods for Stimulating a Hydrocarbon-bearing Formation by Perforating a Wellbore and Introducing an Acidic Composition in the Wellbore

#46
20240183254
2024-06-06

DIAMOND-LIKE CARBON COATING FOR MOTORS OF ELECTRIC SUBMERSIBLE PUMPS AND RELATED METHODS

#47
20240141756
2024-05-02

SYSTEMS AND METHODS TO DEPLOY A CHEMICAL INHIBITOR IN AN OIL OR GAS WELL

#48
20240084693
2024-03-14

Measuring Device for a Casing of a Deep Boring

#49
20240068355
2024-02-29

SYSTEMS AND METHODS FOR WELLBORE DRILLING UTILIZING A THERMOCHEMICAL SULFATE REDUCTION (TSR) PROXY

#50
20240059969
2024-02-22

ENVIRONMENTALLY FRIENDLY ADDITIVES

#51
20240010903
2024-01-11

DEEP EUTECTIC SOLVENTS

#52
20230392459
2023-12-07

Systems and methods for preventing corrosion of drill equipment due to drilling fluid

#53
20230374370
2023-11-23

Corrosion inhibitor with improved performance at high temperatures

#54
20230272697
2023-08-31

System and methodology for chemical dispersion within a wellbore

#55
20230272694
2023-08-31

Exothermic and/or gas-generating treatment for subterranean and pipeline operations

#56
20230257645
2023-08-17

Emulsions containing water-soluble acid retarding agents and methods of making and using

#57
20230212452
2023-07-06

Acidizing retarder compositions and methods of reducing a rate of carbonate dissolution using the same

#58
20230184109
2023-06-15

REAL-TIME MONITORING OF MICROBIAL CONTAMINATION IN OILFIELD DRILLING FLUIDS AND CEMENT

#59
20230159814
2023-05-25

Multifunctional composition for enhanced oil recovery, improved oil quality and prevention of corrosion

#60
20230151718
2023-05-18

Gas-lift mandrel provided with a scale inhibitor injection system

#61
20230133067
2023-05-04

Cathodic current measurement of outer casings or tubulars using electro-magnetic radiation

#62
20230125900
2023-04-27

Method for fracking of simulation of hydrocarbon bearing formation

#63
20230120003
2023-04-20

Methods for stimulating a hydrocarbon-bearing formation by perforating a wellbore and introducing an acidic composition in the wellbore

#64
20230108767
2023-04-06

STATIC CHEMICAL INHIBITOR SYSTEM FOR OFF-PLOT PIPING IMMUNITY

#65
20230092085
2023-03-23

Downhole acid stimulation method with corrosion inhibition

#66
20230083821
2023-03-16

SELECTIVELY INJECTABLE CHEMICAL ADDITIVE

#67
20230069858
2023-03-09

Composition and method for improving the production of petroleum hydrocarbons

#68
20230067381
2023-03-02

Method for anti-corrosion treating an oil well with an oil in water emulsion

#69
20230064911
2023-03-02

Substituted Carboxamide Corrosion Inhibitor Compounds

#70
20230052268
2023-02-16

Fluid systems for expanding shape memory polymers and removing filter cakes

#71
20230048387
2023-02-16

Corrosion protection method for wellbore piping

#72
20230041390
2023-02-09

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

#73
20230036144
2023-02-02

Well tubing/casing corrosion deposits descaling model

#74
20230034895
2023-02-02

Methods for stimulating hydrocarbon-bearing formations

#75
20230031885
2023-02-02

Accelerated cement composition for reducing corrosion of wellbore casings

#76
20220363981
2022-11-17

Methods for stimulating hydrocarbon-bearing formations

#77
20220333464
2022-10-20

SYSTEMS AND METHODS FOR CATHODIC PROTECTION OF AN OIL AND GAS WELL SYSTEM

#78
20220315825
2022-10-06

Synthesis and use of grafted graphene in wellbore construction fluids for lubrication and corrosion inhibition

#79
20220267663
2022-08-25

Passivated cement accelerator

#80
20220243118
2022-08-04

Ionic liquid corrosion inhibitors

#81
20220136369
2022-05-05

Method for preventing saline scale in low-activity, aqueous-phase reservoir wells and its use

#82
20220136341
2022-05-05

COATING COMPOSITIONS FOR EROSION MITIGATION, AND COATED COMPONENTS AND METHODS USING SAID COATINGS

#83
20220120163
2022-04-21

Controlling corrosion within wellbores

#84
20220120161
2022-04-21

Downhole energy harvesting

#85
20220112799
2022-04-14

MULTI-OBJECTIVE OPTIMIZATION ON MODELING AND OPTIMIZING SCALING AND CORROSION IN A WELLBORE

#86
20220081609
2022-03-17

Composition and method for improving the production of petroleum hydrocarbons

#87
20220065679
2022-03-03

LIQUID LEVEL GAGE WITH C-PLANE SAPPHIRE

#88
20220056786
2022-02-24

System and method for incorporating a velocity spool (ejector) in a corrosion inhibition system

#89
20220049156
2022-02-17

Methods for spotting acid in a wellbore

#90
20220049146
2022-02-17

Accelerated cement compositions and methods for top-job cementing of a wellbore to reduce corrosion

#91
20220035971
2022-02-03

Methods and systems for predicting interfacial tension of reservoir fluids using downhole fluid measurements

#92
20220010654
2022-01-13

Downhole scale and corrosion mitigation

#93
20210380872
2021-12-09

EMULSIONS CONTAINING WATER-SOLUBLE ACID RETARDING AGENTS AND METHODS OF MAKING AND USING

#94
20210293141
2021-09-23

Chemical injection system for a resource extraction system

#95
20210284894
2021-09-16

Microbecidal composition and a method for mitigating internal microbiological influenced corrosion in petroleum transporting pipelines

#96
20210269308
2021-09-02

CHLORINE DIOXIDE PRECURSOR AND METHODS OF USING SAME

#97
20210238473
2021-08-05

Injection method for solid retarded acid

#98
20210238469
2021-08-05

Corrosion inhibitor with improved performance at high temperatures

#99
20210230478
2021-07-29

PARTICULATE COMPOSITIONS CONTAINING OIL FIELD CHEMICALS

#100
20210230476
2021-07-29

Methods for stimulating a hydrocarbon-bearing formation by perforating a wellbore and introducing and acidic composition in the wellbore

#101
20210198563
2021-07-01

Oil field chemical-carrying material and process for making the same

#102
20210189855
2021-06-24

Use of sulfonic acids in downhole methods

#103
20210140278
2021-05-13

Mechanical barriers for downhole degradation and debris control

#104
20210024814
2021-01-28

Oxidizers for carbon dioxide-based fracturing fluids

#105
20210024812
2021-01-28

Organic salts of oxidizing anions as energetic materials

#106
20210017827
2021-01-21

Targeted downhole delivery with container

#107
20210002985
2021-01-07

Induced cavitation to prevent scaling on wellbore pumps

#108
20210002963
2021-01-07

System and method for conditioning a downhole tool

#109
20200399520
2020-12-24

Additives for oil and gas drilling and production

#110
20200399519
2020-12-24

Additives for oil and gas drilling and production

#111
20200399518
2020-12-24

Additives for oil and gas drilling and production

#112
20200378012
2020-12-03

CORROSION INHIBITOR COMPOSITION, TRANSPORT FLUID MIXTURE, METHOD FOR CHARGING CORROSION INHIBITOR COMPOSITION, WINZE, AND PIPELINE

#113
20200369951
2020-11-26

Methods of inhibiting corrosion of metals from acid stimulation of an oil and gas well

#114
20200362228
2020-11-19

Multifunctional composition for enhanced oil recovery, improved oil quality and prevention of corrosion

#115
20200354839
2020-11-12

Fluoride corrosion inhibition of metal surfaces

#116
20200347718
2020-11-05

DETECTION AND MONITORING OF CORROSION INHIBITORS IN OILFIELD FLUIDS

#117
20200347286
2020-11-05

Methods and compositions for reducing corrosivity of aqueous fluids

#118
20200339871
2020-10-29

Methods of inhibiting corrosion in acid stimulation operations

#119
20200339865
2020-10-29

Process for preparing dibenzylamine quaternary ammonium salt high-temperature resistant corrosion inhibitor and applications thereof

#120
20200332178
2020-10-22

Iron control composition, make, and use in carbonate stimulation

#121
20200277834
2020-09-03

Tubing hanger assembly with a tubing head adapter receivable onto a tubing head in any rotational orientation

#122
20200263080
2020-08-20

Downhole methods

#123
20200165506
2020-05-28

Drilling fluid for downhole electrocrushing drilling

#124
20200157407
2020-05-21

Methods of protecting metal surface during exposure to fluoride ion-containing acidic fluids

#125
20200140747
2020-05-07

Compositions and Methods for Corrosion Inhibition

#126
20200131423
2020-04-30

Additives for oil and gas drilling and production

#127
20200123436
2020-04-23

Fracturing method using low-viscosity fluid with low proppant settling rate

#128
20200115984
2020-04-16

Tubing hanger assembly with wellbore access, and method of accessing a wellbore

#129
20200096150
2020-03-26

Flexible pipe connector suitable for effecting control and forced circulation of anticorrosive fluids through the annulus of the flexible pipe

#130
20200095493
2020-03-26

Dual functioning corrosion inhibitor and foaming agent

#131
20200063028
2020-02-27

CAPSULES, SYSTEMS AND METHODS FOR TARGETED DELIVERY OF CHEMICALS INTO MULTIPHASE ENVIRONMENTS

#132
20200063017
2020-02-27

METHOD OF REMOVING MINERAL SCALES FROM A SUBSTRATE WITH MINIMIZED CORROSION OF THE SUBSTRATE

#133
20200048993
2020-02-13

Tool assembly with a fluidic agitator and a coating

#134
20200032917
2020-01-30

Fluid injection valve

#135
20200024502
2020-01-23

Drilling fluid for downhole electrocrushing drilling

#136
20200017753
2020-01-16

Compositions and methods for scavenging HS

#137
20200003044
2020-01-02

Tool for measuring corrosion in oil wells and method for measuring corrosion

#138
20190390102
2019-12-26

Double emulsified acids and methods for producing and using the same

#139
20190382653
2019-12-19

Sustained release system for reservoir treatment and monitoring

#140
20190382651
2019-12-19

Double emulsified acids and methods for producing and using the same

#141
20190382650
2019-12-19

Targeting enhanced production through deep carbonate stimulation: stabilized acid emulsions containing insoluble solid materials with desired wetting properties

#142
20190367799
2019-12-05

PROCESS AND COMPOSITION FOR REMOVING METAL SULFIDES

#143
20190353007
2019-11-21

Method of pumping fluids down a wellbore

#144
20190345807
2019-11-14

Methods for stimulating hydrocarbon-bearing formations

#145
20190345376
2019-11-14

Methods for stimulating hydrocarbon-bearing formations

#146
20190338182
2019-11-07

Double emulsified acids and methods for producing and using the same

#147
20190338180
2019-11-07

Wear inhibitor for oil and gas production

#148
20190330952
2019-10-31

Apparatus for subsea equipment

#149
20190330951
2019-10-31

Protective cap assembly for subsea equipment

#150
20190330939
2019-10-31

Method and apparatus for autonomous injectable liquid dispensing

#151
20190277112
2019-09-12

Methods and systems for wellbore remediation

#152
20190264541
2019-08-29

Method for adjusting the level of inhibitors in an oil or gas well

#153
20190242808
2019-08-08

Corrosion Sensor

#154
20190234184
2019-08-01

Method of inhibiting deposition of contaminants onto a metallic surface with a surface modifying treatment agent

#155
20190224636
2019-07-25

Automatic height adjusting mixing robot

#156
20190218452
2019-07-18

Inhibiting corrosion in a downhole environment

#157
20190218442
2019-07-18

Method for drilling a wellbore with a weighted hydrogen sulfide scavenger fluid

#158
20190218441
2019-07-18

Method for drilling a hydrogen sulfide-containing formation

#159
20190211657
2019-07-11

SIDE POCKET MANDREL FOR GAS LIFT AND CHEMICAL INJECTION OPERATIONS

#160
20190203108
2019-07-04

Double emulsified acids and methods for producing and using the same

#161
20190145241
2019-05-16

Guided wave attenuation well logging excitation optimizer based on waveform modeling

#162
20190112911
2019-04-18

Downhole corrosion, erosion, scale and deposit monitoring system

#163
20190112903
2019-04-18

Flow-induced erosion-corrosion resistance in downhole fluid flow control systems

#164
20190100982
2019-04-04

Wellbore plungers with non-metallic tubing-contacting surfaces and wells including the wellbore plungers

#165
20190100684
2019-04-04

Method of drilling a substerranean geological formation with a drilling fluid composition comprising copper nitrate

#166
20190093456
2019-03-28

In-situ neutralization media for downhole corrosion protection

#167
20190093007
2019-03-28

Methods and compositions for treating a subterranean formation with a polymeric additive composite

#168
20190078404
2019-03-14

Electrochemical methods of removing dissolved oxygen from drilling or completion fluids

#169
20190056055
2019-02-21

Corrosion protection element for downhole connections

#170
20190055819
2019-02-21

Foam cleanout methods and systems for wellbores

#171
20190048712
2019-02-14

METHOD FOR MONITORING QUALITY ASSURANCE OF CHEMICALS IN SUBSEA UMBILICAL SYSTEMS TO AVOID BLOCKAGE

#172
20190003472
2019-01-03

Downhole chemical injection method and system for use in ESP applications

#173
20190003471
2019-01-03

Downhole chemical injection method and system for use in ESP applications

#174
20180355240
2018-12-13

Systems and methods for breaking friction reducers in-situ

#175
20180355239
2018-12-13

Well-treatment fluid, method for forming fracture, and method for isolating wellbore

#176
20180347316
2018-12-06

Multi-stage treatment for iron sulfide scales

#177
20180346796
2018-12-06

Temperature-stable corrosion inhibitor compositions and methods of use

#178
20180340115
2018-11-29

Injection system for controlled delivery of solid oil field chemicals

#179
20180340114
2018-11-29

Dilution skid and injection system for solid/high viscosity liquid chemicals

#180
20180340111
2018-11-29

Thermal thickening in invert emulsion treatment fluids

#181
20180328152
2018-11-15

Expandable device for use in a well bore

#182
20180305208
2018-10-25

CHLORINE DIOXIDE PRECURSOR AND METHODS OF USING SAME

#183
20180298277
2018-10-18

Sustained release system for reservoir treatment and monitoring

#184
20180283173
2018-10-04

Process for developing a subterranean formation by injection of a fluid comprising an additive labelled with a luminescent semiconducting nanocrystal

#185
20180283142
2018-10-04

Downhole tools having controlled degradation and method

#186
20180283141
2018-10-04

Downhole tools having controlled degradation and method

#187
20180274339
2018-09-27

Mitigating corrosion of carbon steel tubing and surface scaling deposition in oilfield applications

#188
20180273832
2018-09-27

Methods and systems for forming a fracturing fluid from a source of metal-laden water

#189
20180273827
2018-09-27

Methods and systems for wellbore remediation

#190
20180244982
2018-08-30

Diversion acid containing a water-soluble retarding agent and methods of making and using

#191
20180244981
2018-08-30

On the fly mixing of acids and diversion fluids with water-soluble retarding agents

#192
20180244980
2018-08-30

Emulsions containing water-soluble acid retarding agents and methods of making and using

#193
20180223173
2018-08-09

Mixed dimers from alpha-olefin sulfonic acids

#194
20180216982
2018-08-02

Autonomous chemical injection system for oil and gas wells

#195
20180215995
2018-08-02

Controlled release of well treatment agents into oil wells

#196
20180208828
2018-07-26

Treatment fluids comprising carminic acid and related compounds and method for use thereof

#197
20180194987
2018-07-12

Drilling fluid for downhole electrocrushing drilling

#198
20180194986
2018-07-12

Drilling fluid for downhole electrocrushing drilling

#199
20180179880
2018-06-28

Health monitoring of power generation assembly for downhole applications

#200
20180163517
2018-06-14

Induced cavitation to prevent scaling on wellbore pumps

#201
20180163124
2018-06-14

SPHEROID MAGNETIC POLYMERS FOR IMPROVING HYDROCARBON RECOVERY OR DRILLING PERFORMANCE

#202
20180156019
2018-06-07

Microbubbles for treatment chemical delivery in subterranean formations

#203
20180148989
2018-05-31

Tubing hanger assembly with wellbore access, and method of accessing a wellbore

#204
20180142537
2018-05-24

WATER INJECTION SYSTEM COMPRISING BIOFILM SENSOR(S)

#205
20180142533
2018-05-24

Chemical injection valve with enhanced sealing capability

#206
20180142532
2018-05-24

Chemical injection valve with stem bypass flow

#207
20180135189
2018-05-17

Additives to control hydrogen sulfide release of sulfur containing and/or phosphorus containing corrosion inhibitors

#208
20180135187
2018-05-17

Corrosion Inhibition

#209
20180127638
2018-05-10

TIME RELEASED DELIVERY OF FUNCTIONAL CHEMICALS

#210
20180112124
2018-04-26

ANTIMICROBIAL PROPPANT

#211
20180094507
2018-04-05

Chemical attenuator sleeve

#212
20180087720
2018-03-29

Drive system for chemical injection pumps and instrument air compressors

#213
20180058191
2018-03-01

Plunger lift monitoring via a downhole wireless network field

#214
20180045023
2018-02-15

WATER REMOVAL FROM ANTI-AGGLOMERATE LDHIS

#215
20180030340
2018-02-01

Methods of preparing treatment fluids comprising anhydrous ammonia for use in subterranean formation operations

#216
20170362498
2017-12-21

USE OF MGDA AS ADDITIVE IN PROCESSES FOR RECOVERING CRUDE OIL AND/OR GAS FROM SUBTERRANEAN FORMATIONS

#217
20170350230
2017-12-07

Apparatus and Method for Detection of Corrosion

#218
20170349821
2017-12-07

MICROENCAPSULATION OF TREATMENT CHEMICALS FOR USE IN SUBTERRANEAN FORMATIONS

#219
20170349820
2017-12-07

Hydrophobically modified quaternized polysaccharide corrosion inhibitors

#220
20170342314
2017-11-30

Self-diverting acidizing system

#221
20170336010
2017-11-23

Method for managing the heating of fluids flowing through a network of submarine pipelines

#222
20170327728
2017-11-16

Corrosion inhibitor compositions and methods of using same

#223
20170327724
2017-11-16

Fluorinated packer fluids

#224
20170321494
2017-11-09

Connection and protective ring therefor

#225
20170313929
2017-11-02

Internal polymeric breaker for viscoelastic surfactant-based fluids

#226
20170306210
2017-10-26

Alkylated Polyetheramines as Clay Stabilizing Agents

#227
20170298717
2017-10-19

Downhole chemical injection method and system for use in ESP applications

#228
20170298710
2017-10-19

Multi-functional surfactant complexes for use in subterranean formations

#229
20170298265
2017-10-19

Methods and systems for suppressing corrosion of sensitive metal surfaces

#230
20170283679
2017-10-05

Salt-free fluorous-invert emulsion fluid

#231
20170267913
2017-09-21

Use of berberine as corrosion inhibitor in well operations

#232
20170259977
2017-09-14

Downhole payload release containers, method and system of using the same

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2017-09-07

IMPROVED PERFORMANCE OF CROSSLINKED FRACTURING FLUIDS COMPRISING A NONIONIC SURFACTANT

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20170240798
2017-08-24

Methods and systems for suppressing corrosion of metal surfaces

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20170240797
2017-08-24

Methods and systems for suppressing corrosion of steel surfaces

#236
20170240796
2017-08-24

Corrosion inhibition

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20170234475
2017-08-17

Corrosion inhibition

#238
20170234127
2017-08-17

Methods and systems for monitoring well integrity and increasing the lifetime of a well in a subterranean formation

#239
20170233872
2017-08-17

Environmentally friendly corrosion inhibitors for high temperature applications

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2017-08-17

Use of hexamethylenetetramine intensifier for high temperature emulsified acid system

#241
20170233637
2017-08-17

METHODS FOR INHIBITING METAL CORROSION

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20170226843
2017-08-10

Downhole corrosion, erosion, scale and deposit monitoring system

#243
20170226404
2017-08-10

Method of using a screen containing a composite for release of well treatment agent into a well

#244
20170210979
2017-07-27

Targeting enhanced production through deep carbonate stimulation: stabilized acid emulsions containing insoluble solid materials with desired wetting properties

#245
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2017-07-27

Surfactant formulations and associated methods for reduced and delayed adsorption of the surfactant

#246
20170204318
2017-07-20

Modified hydroxyethyl cellulosic polymers for improved well bore fluids and related uses

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20170198196
2017-07-13

METHODS FOR CONTROLLING SOURING IN ENGINEERED SYSTEMS

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20170183784
2017-06-29

Anode slurry for cathodic protection of underground metallic structures and method of application thereof

#249
20170159407
2017-06-08

Selective stimulation ports including sealing device retainers and methods of utilizing the same

#250
20170145787
2017-05-25

METHOD AND SYSTEM FOR REDUCING HEAT LOSS FROM SUBSEA STRUCTURES

#251
20170145774
2017-05-25

Pressure variance systems for subsea fluid injection

#252
20170131239
2017-05-11

Optimizing eddy current measurement to save power

#253
20170122078
2017-05-04

Tagged corrosion inhibitors for use in subterranean operations

#254
20170121584
2017-05-04

Sulfide stress cracking inhibitors

#255
20170051587
2017-02-23

Gas well deliquification

#256
20170051198
2017-02-23

Fluoro-inorganics for well cleaning and rejuvenation

#257
20170044883
2017-02-16

Modular plunger for a hydrocarbon wellbore

#258
20170037709
2017-02-09

Erosion reduction in subterranean wells

#259
20170037301
2017-02-09

Polymeric surfactant containing a protein head group and lipid tail group

#260
20170015891
2017-01-19

AQUEOUS SOLUTION AND METHOD FOR USE THEREOF

#261
20170009130
2017-01-12

Imidazolinium compounds as dual corrosion inhibitors

#262
20170002629
2017-01-05

Method for adjusting the level of inhibitors in an oil or gas well

#263
20170002257
2017-01-05

Passivated cement accelerator

#264
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2016-12-22

Methods and systems utilizing a boron-containing corrosion inhibitor for protection of titanium surfaces

#265
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2016-12-22

METHODS OF INHIBITING SALT PRECIPITATION AND CORROSION

#266
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2016-12-22

Thermal thickening in invert emulsion treatment fluids

#267
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2016-11-24

Method for coating pipe with acid-curable resin and acid curing agent

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2016-11-10

Drug dosing device and method for dosage metering and control

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2016-11-10

Delayed delivery of chemicals in a wellbore

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2016-09-15

Methods and systems utilizing a boron-containing corrosion inhibitor for protection of titanium surfaces

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2016-09-15

Hydrofluoric Based Invert Emulsions for Shale Stimulation

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2016-08-18

Cyanamide-based carbon dioxide and/or hydrogen sulfide scavengers and methods of use in subterranean operations

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2016-08-11

Wellbore servicing assemblies and methods of using the same

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2016-08-04

CORROSION INHIBITOR INTENSIFIERS FOR CORROSION RESISTANT ALLOYS

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2016-08-04

CHLORINE DIOXIDE PRECURSOR AND METHODS OF USING SAME

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2016-06-30

System for chemical treatment of a subsurface wellbore

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20160186533
2016-06-30

Predictive flow assurance assessment method and system

#278
20160130494
2016-05-12

Corrosion inhibitors for drilling fluid brines

#279
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2016-03-31

Downhole tools having hydrophobic coatings, and methods of manufacturing such tools

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2015-12-17

Flow control devices including materials containing hydrophilic surfaces and related methods

#281
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2015-12-10

NON-ALKYL PYRIDINE SOUR CORROSION INHIBITORS AND METHODS FOR MAKING AND USING SAME

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Electromagnetic assessment of multiple conductive tubulars

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Method for autonomous control of a chemical injection system for oil and gas wells

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2015-10-08

Chemical injection to increase production from gas wells

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2015-10-08

Subsea dosing pump

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2015-10-01

CARBON PARTICLES AND THEIR USE IN THE CHEMICAL TREATMENT OF RESERVOIRS

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Sub-sea chemical injection metering valve

#288
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2015-09-03

CHEMICAL INJECTION SYSTEM

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2015-08-27

Method and device for downhole corrosion and erosion monitoring

#290
20150240610
2015-08-27

Method of utilizing carbon monoxide to increase oil recovery

#291
20150159077
2015-06-11

Henna Corrosion Inhibitor for Acid in a Well

#292
20150147495
2015-05-28

Scale-inhibiting coating

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20150122485
2015-05-07

Aqueous solution and method for use thereof

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20150090593
2015-04-02

Fluid conditioning

#295
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2015-03-26

Method of inhibiting fouling on a metallic surface using a surface modifying treatment agent

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2015-01-08

Method for chemical treatment of a subsurface wellbore

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2015-01-01

Catalyzed polyamine sulfide scavengers and methods of use in subterranean treatment fluids

#298
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2014-12-18

Multi power launch system for pressure differential device

#299
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2014-12-04

Method and apparatus for downhole application of treatment chemicals in gas wells

#300
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2014-10-09

Expandable device for use in a well bore