ClassID:

135645

E21B43/25 - CPC Classification

Classification description:

Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells Methods for stimulating production

Sub-classes:
Recent Application in this class:
#1
20260146600
2026-05-28

WEAR RING FOR A FLUID END CARTRIDGE

#2
20260125972
2026-05-07

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

#3
20260078658
2026-03-19

METHODS AND SYSTEMS TO CONTROL FLOW AND HEAT TRANSFER BETWEEN SUBSURFACE WELLBORES CONNECTED HYDRAULICALLY BY FRACTURES

#4
20260078297
2026-03-19

STABILIZED CO2 FOAM COMPOSITIONS FOR SUBTERANEAN FRACTURING APPLICATIONS AND COMPOSITIONS RELATED THERETO

#5
20260043315
2026-02-12

Remote Well Stimulation Method

#6
20250389175
2025-12-25

HYDROGEN GENERATION WITHIN HIGH SALINITY HYDROCARBON-BEARING RESERVOIRS

#7
20250383637
2025-12-18

SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL PRODUCTION

#8
20250361802
2025-11-27

Hybrid Drive Systems for Well Stimulation Operations

#9
20250354051
2025-11-20

FOAMING AGENTS, GAS MOBILITY CONTROL AGENTS, METHODS, AND SYSTEMS FOR ENHANCED OIL RECOVERY

#10
20250346802
2025-11-13

HIGH STABILITY POLYMER COMPOSITIONS FOR ENHANCED OIL RECOVERY APPLICATIONS

#11
20250314162
2025-10-09

Non-fracturing Restimulation of Unconventional Hydrocarbon Containing Formations to Enhance Production

#12
20250297539
2025-09-25

METHOD AND SYSTEM FOR OPTIMIZATION OF DEVELOPMENT BY CARBON DIOXIDE INJECTION BASED ON INCOMPLETE MISCIBILITY CHARACTERISTICS

#13
20250198268
2025-06-19

METHODS OF TREATMENT OF SUBTERRANEAN FORMATION WITH POLYMERIC STRUCTURES FORMED IN SITU

#14
20250172066
2025-05-29

PREDICTING WELLBORE DIAMETERS

#15
20250172061
2025-05-29

WELL STIMULATION

#16
20250146403
2025-05-08

METHOD AND SYSTEM FOR MONITORING A WELL TREATMENT

#17
20250116187
2025-04-10

STIMULATION JOB DESIGN AND EXECUTION ADVISORS FOR OPTIMAL FRACTURE PERFORMANCE

#18
20250116180
2025-04-10

STIMULATION JOB DESIGN AND EXECUTION ADVISORS FOR OPTIMAL FRACTURE PERFORMANCE

#19
20250068804
2025-02-27

METHODS AND SYSTEMS FOR LARGE-SCALE RESERVOIR SIMULATIONS USING AUTOMATED LOCAL GRID REFINEMENT

#20
20250034977
2025-01-30

EMPIRICAL MODEL USING HISTORICAL DECLINE CURVE FOR PLANNING AND ECONOMICAL EVALUATION

#21
20240426201
2024-12-26

Hybrid Drive Systems for Well Stimulation Operations

#22
20240410260
2024-12-12

FORMULATIONS OF SELF-WEIGHTED AND WEIGHTED FLUIDS AND USE THEREOF

#23
20240384160
2024-11-21

STABILIZED CO2 FOAM COMPOSITIONS FOR SUBTERANEAN FRACTURING APPLICATIONS AND COMPOSITIONS RELATED THERETO

#24
20240376881
2024-11-14

BELLOWS FAILURE DETECTION FOR A PUMP

#25
20240376880
2024-11-14

DIRECT CONNECT PISTON-DRIVEN BELLOWS PUMP

#26
20240352839
2024-10-24

OILFIELD SYSTEM

#27
20240344438
2024-10-17

TRAINING A STIMULATION MODEL USING DATA FROM AT LEAST ONE OF DISTRIBUTED SENSORS AND DISCRETE SENSORS, PERFORMING A STIMULATION PROCESS USING A TRAINED STIMULATION MODEL, AND A COMPUTING SYSTEM FOR TRAINING THE STIMULATION MODEL

#28
20240319689
2024-09-26

SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL PRODUCTION

#29
20240319688
2024-09-26

SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL AND HYDROGEN PRODUCTION

#30
20240279535
2024-08-22

Calcareous rock stimulation method

#31
20240279534
2024-08-22

Acid injection and fracturing method for porous subterranean geological formation

#32
20240271511
2024-08-15

Non-fracturing restimulation of unconventional hydrocarbon containing formations to enhance production

#33
20240271033
2024-08-15

Downhole rock treatment method with corrosion inhibition

#34
20240271026
2024-08-15

TREATED GEOTHERMAL BRINE COMPOSITIONS WITH REDUCED CONCENTRATION OF SILICA, IRON AND LITHIUM

#35
20240263548
2024-08-08

Methods and systems to control flow and heat transfer between subsurface wellbores connected hydraulically by fractures

#36
20240200430
2024-06-20

Stimulating hydrocarbon reservoirs

#37
20240191617
2024-06-13

Methods of monitoring water injection in subterranean formations

#38
20240167379
2024-05-23

MANAGING PIPELINE CORROSION IN OIL AND GAS PRODUCTION

#39
20240167371
2024-05-23

Electrical treatment to revive dead gas wells due to water blockage

#40
20240160162
2024-05-16

SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL AND ETHANOL PRODUCTION

#41
20240159134
2024-05-16

Hybrid drive systems for well stimulation operations

#42
20240159131
2024-05-16

Method of Enhancing Foam Stability for Stimulation of Low Pressure Reservoirs

#43
20240151870
2024-05-09

Tube Wave Analysis of Well Communication

#44
20240126223
2024-04-18

SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL AND HYDROGEN PRODUCTION

#45
20240125229
2024-04-18

Fast Proxy Model For Well Casing Integrity Evaluation

#46
20240124763
2024-04-18

Stimulation of Wells in Nano-Darcy Shale Formations

#47
20240060405
2024-02-22

METHOD AND SYSTEM FOR GENERATING PREDICTIVE LOGIC AND QUERY REASONING IN KNOWLEDGE GRAPHS FOR PETROLEUM SYSTEMS

#48
20240018407
2024-01-18

DRILLING FLUIDS AND METHODS OF MAKING AND USING THEREOF

#49
20230416599
2023-12-28

ELECTRICALLY CONDUCTIVE PROPPANT AND METHODS FOR DETECTING, LOCATING AND CHARACTERIZING THE ELECTRICALLY CONDUCTIVE PROPPANT

#50
20230408990
2023-12-21

SYSTEMS AND METHODS FOR HOLISTIC LOW CARBON INTENSITY FUEL PRODUCTION

#51
20230392484
2023-12-07

Stimulating hydrocarbon reservoirs

#52
20230349263
2023-11-02

VALVE AND METHOD FOR MULTI-STAGE WELL STIMULATION

#53
20230324579
2023-10-12

Data driven approach to develop petrophysical interpretation models for complex reservoirs

#54
20230313678
2023-10-05

METHOD AND SYSTEM FOR MANAGING DRILLING PARAMETERS BASED ON DOWNHOLE VIBRATIONS AND ARTIFICIAL INTELLIGENCE

#55
20230313025
2023-10-05

Superheated phase changing nanodroplets for hydrocarbon reservoir applications

#56
20230303912
2023-09-28

FOAMING AGENTS, GAS MOBILITY CONTROL AGENTS, METHODS, AND SYSTEMS FOR ENHANCED OIL RECOVERY

#57
20230265750
2023-08-24

Determining reservoir heterogeneity for optimized drilling location

#58
20230259080
2023-08-17

Systems and methods for holistic low carbon intensity fuel production

#59
20230258065
2023-08-17

Enhanced recovery method for stratified fractured reservoirs

#60
20230205148
2023-06-29

Systems and methods for holistic low carbon intensity fuel production

#61
20230193731
2023-06-22

UNIFIED FRAMEWORK FOR ADAPTIVE MODELING WITH DENSITY INCREASING FEEDBACK

#62
20230184067
2023-06-15

Determining drag reducing agents' performance

#63
20230144711
2023-05-11

METHOD AND APPARATUS FOR ACID STIMULATION

#64
20230127456
2023-04-27

Method for predicting and optimizing rate of penetration (ROP) for oil and gas drilling based on bayesian optimization

#65
20230102565
2023-03-30

Generated hydrogen gas lift system

#66
20230092085
2023-03-23

Downhole acid stimulation method with corrosion inhibition

#67
20230085171
2023-03-16

Treated geothermal brine compositions with reduced concentration of silica, iron and lithium

#68
20230082127
2023-03-16

Systems and methods for holistic low carbon intensity fuel production

#69
20230077170
2023-03-09

LOW VOLTAGE POWER GENERATION SYSTEM FOR FLUID PUMPING IN WELL OPERATIONS

#70
20230037305
2023-02-09

Method and system for optimizing rig energy efficiency using machine learning

#71
20230015105
2023-01-19

System and method of monitoring a downhole stimulation operation featuring retrievable cable

#72
20220412197
2022-12-29

Insitu foam generation to fasten and increase oil production rates in gravity drainage COgas injection

#73
20220403720
2022-12-22

Rate control algorithm having a trained algorithmic model for optimizing fuel distribution

#74
20220333465
2022-10-20

Gopher trap

#75
20220316310
2022-10-06

REDUCING UNCERTAINTY IN A PREDICTED BASIN MODEL

#76
20220290030
2022-09-15

Drilling fluids and methods of making and using thereof

#77
20220268154
2022-08-25

Reservoir staging index (RSI)

#78
20220251926
2022-08-11

Handling produced water in a wellbore

#79
20220195861
2022-06-23

IDENTIFYING OPERATION ANOMALIES OF SUBTERRANEAN DRILLING EQUIPMENT

#80
20220148118
2022-05-12

Systems and methods for holistic low carbon intensity fuel production

#81
20220135870
2022-05-05

Stimulation of wells in nano-darcy shale formations

#82
20220127518
2022-04-28

HIGH STABILITY POLYMER COMPOSITIONS FOR ENHANCED OIL RECOVERY APPLICATIONS

#83
20220065097
2022-03-03

Method for self-adaptive survey calculation of wellbore trajectory

#84
20220065044
2022-03-03

Plasma chemistry derived relation between arc and spark for pulse power drilling

#85
20220056333
2022-02-24

Electrically conductive proppant and methods for detecting, locating and characterizing the electrically conductive proppant

#86
20220043406
2022-02-10

Systems and methods for holistic low carbon intensity fuel production

#87
20220042406
2022-02-10

Systems and methods for holistic low carbon intensity fuel and hydrogen production

#88
20220041974
2022-02-10

Systems and methods for holistic low carbon intensity fuel and ethanol production

#89
20220034197
2022-02-03

Autonomous downhole tool

#90
20220025752
2022-01-27

Thermally activated strong acids

#91
20220019718
2022-01-20

Method and system for modeling hydrocarbon recovery workflow

#92
20220018231
2022-01-20

Systems and methods for a hydrocarbon configuration tool

#93
20220010676
2022-01-13

System and method of intelligent electrical completion in reservoirs that allow open-hole completion

#94
20220010663
2022-01-13

Online measurment method for temperature stability of production layer in oil and gas well, system and storage medium

#95
20220002610
2022-01-06

Stable high solids slurry compositions

#96
20210404314
2021-12-30

Constructing digital twins for oil and gas recovery using Ensemble Kalman Filter

#97
20210388702
2021-12-16

Method of Stimulating Hydrocarbon Production

#98
20210355823
2021-11-18

Borehole gravity analysis for reservoir management

#99
20210348492
2021-11-11

Systems and methods for generating a drainage radius log

#100
20210348490
2021-11-11

OILFIELD SYSTEM

#101
20210317732
2021-10-14

Multi stage chemical injection

#102
20210310345
2021-10-07

Methods for generating synthetic production logs for perforated intervals of a plurality of wells

#103
20210293126
2021-09-23

Plasma Pulse Device for Shock Wave Stimulation of Wells, Deposits, and Boreholes

#104
20210254433
2021-08-19

Wireless activation of wellbore completion assemblies

#105
20210222048
2021-07-22

Crosslinked synthetic polymer-based reservoir drilling fluid

#106
20210215026
2021-07-15

METHODS OF TREATMENT OF A SUBTERRANEAN FORMATION WITH POLYMERIC STRUCTURES FORMED IN SITU

#107
20210180439
2021-06-17

DYNAMIC WELL CONSTRUCTION MODEL

#108
20210172303
2021-06-10

Methods and materials for reducing lost circulation in a wellbore

#109
20210164327
2021-06-03

Drilling fluid composition and method for cooling in high temperature formations

#110
20210155840
2021-05-27

Treated geothermal brine compositions with reduced concentration of silica, iron and lithium

#111
20210148191
2021-05-20

Method of using delayed hydratable polymeric viscosifying agent in the treatment of a well or subterranean formation

#112
20210140269
2021-05-13

Methods for diversion and controlling fluid-loss using formate brine compositions

#113
20210115318
2021-04-22

Calcium carbonate/polymer particulate additives for use in subterranean operations

#114
20210108493
2021-04-15

Calcium carbonate / fiber additives for use in subterranean operations

#115
20210108126
2021-04-15

Compositions comprising aminated dextrin compounds and subterranean treatment methods using the same

#116
20210095544
2021-04-01

Lifting condensate from wellbores

#117
20210087912
2021-03-25

Slurry analysis system using flow restriction

#118
20210079776
2021-03-18

Acid stimulation methods

#119
20210048149
2021-02-18

FILLING SYSTEM SUITABLE FOR SOLID DRAG REDUCING AGENT AND SOLID THICKENER

#120
20210032972
2021-02-04

Parallel multiscale reservoir simulation

#121
20210032525
2021-02-04

Spacer fluids and cement slurries that include surfactants

#122
20210017842
2021-01-21

Non-fracturing restimulation of unconventional hydrocarbon containing formations to enhance production

#123
20200407621
2020-12-31

EMULSIFIED DRILLING FLUIDS AND METHODS OF MAKING AND USE THEREOF

#124
20200399996
2020-12-24

METHOD AND APPARATUS FOR EXTRACTING HEAVY OIL

#125
20200378241
2020-12-03

Mechanical casing perforation locator and methods of using same

#126
20200355054
2020-11-12

Multi-zone actuation system using wellbore darts

#127
20200339871
2020-10-29

Methods of inhibiting corrosion in acid stimulation operations

#128
20200339867
2020-10-29

Altering wettability in subterranean formations

#129
20200332178
2020-10-22

Iron control composition, make, and use in carbonate stimulation

#130
20200291285
2020-09-17

Development of retarded acid system

#131
20200277851
2020-09-03

Operating wellbore equipment using a data driven physics-based model

#132
20200256140
2020-08-13

Chemical treatment tank level sensor

#133
20200248067
2020-08-06

Electrically conductive proppant and methods for detecting, locating and characterizing the electrically conductive proppant

#134
20200248061
2020-08-06

Lubricants for water-based drilling fluids

#135
20200240248
2020-07-30

Automatic pump control

#136
20200240226
2020-07-30

Immersible ultrasonic transmitter

#137
20200231869
2020-07-23

Encapsulation and controlled delivery of strong mineral acids

#138
20200231868
2020-07-23

Encapsulation and controlled delivery of strong mineral acids

#139
20200224082
2020-07-16

Stimulation of wells in nano-darcy shale formations

#140
20200217181
2020-07-09

Methods and systems to control flow and heat transfer between subsurface wellbores connected hydraulically by fractures

#141
20200216741
2020-07-09

ELECTRICALLY CONDUCTIVE OIL-BASED FLUIDS

#142
20200208497
2020-07-02

Combined chemical/balance line

#143
20200199989
2020-06-25

Stimulation fluid injection method and NMR verification

#144
20200199988
2020-06-25

Method for determining acidization effectiveness for wellbore operations

#145
20200199980
2020-06-25

System and related methods for fracking and completing a well which flowably installs sand screens for sand control

#146
20200165504
2020-05-28

Spacer fluid compositions that include surfactants

#147
20200157407
2020-05-21

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

#148
20200140739
2020-05-07

Methods of using drilling fluid compositions with enhanced rheology

#149
20200123436
2020-04-23

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

#150
20200116001
2020-04-16

Methods for delivering in-situ generated acids for stimulation of downhole structures

#151
20200095497
2020-03-26

Methods, Systems, and Compositions for the Controlled Crosslinking of Well Servicing Fluids

#152
20200095491
2020-03-26

Development of anti-bit balling fluids

#153
20200087560
2020-03-19

Emulsifier compositions for invert emulsion fluids and methods of using the same

#154
20200056448
2020-02-20

System for stimulating a well

#155
20200048989
2020-02-13

Method and Apparatus for Wellbore Fluid Treatment

#156
20200040702
2020-02-06

Valve and method

#157
20200040250
2020-02-06

INJECTION FLUID TUNING

#158
20200040247
2020-02-06

Development of anti-bit balling fluids

#159
20200032135
2020-01-30

Downhole fluids containing cyclic orthoesters and brine and methods for using the same

#160
20200024505
2020-01-23

Mitigation of condensate banking using surface modification

#161
20200003040
2020-01-02

Thermally activated strong acids

#162
20200003029
2020-01-02

Gopher Trap

#163
20190390102
2019-12-26

Double emulsified acids and methods for producing and using the same

#164
20190382651
2019-12-19

Double emulsified acids and methods for producing and using the same

#165
20190382650
2019-12-19

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

#166
20190375978
2019-12-12

Use of shape memory materials in wellbore servicing fluids

#167
20190360317
2019-11-28

Annular Flow Meter with a Sealing Element

#168
20190353006
2019-11-21

TOOLS AND METHODS FOR USE IN COMPLETION OF A WELLBORE

#169
20190338182
2019-11-07

Double emulsified acids and methods for producing and using the same

#170
20190330520
2019-10-31

Electrically conductive proppant

#171
20190330519
2019-10-31

Chelating agent for reservoir acidification and stimulating injection and its preparation method and application

#172
20190316441
2019-10-17

TOOLS AND METHODS FOR USE IN COMPLETION OF A WELLBORE

#173
20190309210
2019-10-10

Development of anti-bit balling fluids

#174
20190292432
2019-09-26

Spacer fluid compositions, methods, and systems for aqueous based drilling mud removal

#175
20190292431
2019-09-26

Spacer fluid compositions, methods, and systems for aqueous based drilling mud removal

#176
20190284920
2019-09-19

Method for dewatering and operating coal seam gas wells

#177
20190277295
2019-09-12

SINGLE POWER SOURCE FOR MULTIPLE PUMPS CONFIGURATION

#178
20190271202
2019-09-05

Method for ultrasound stimulation of oil production and device for implementing said method

#179
20190264097
2019-08-29

Treating a formation with a chemical agent and liquefied natural gas (LNG) de-liquefied at a wellsite

#180
20190257184
2019-08-22

Plasma sources, systems, and methods for stimulating wells, deposits and boreholes

#181
20190249523
2019-08-15

Enhancing Productivity of Subterranean Formations

#182
20190249520
2019-08-15

Wireless activation of wellbore completion assemblies

#183
20190242234
2019-08-08

Methods for improving channel formation

#184
20190233708
2019-08-01

Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore

#185
20190233707
2019-08-01

Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore

#186
20190226336
2019-07-25

System and method for analysis and control of drilling mud and additives

#187
20190226310
2019-07-25

Use of an acid soluble or degradable solid particulate and an acid liberating or acid generating composite in the stimulation of a subterranean formation

#188
20190226302
2019-07-25

Downhole acoustic emitter

#189
20190225854
2019-07-25

Treated geothermal brine compositions with reduced concentration of silica, iron and lithium

#190
20190218906
2019-07-18

System and method for estimation and prediction of production rate of a well via geometric mapping of a perforation zone using a three-dimensional acoustic array

#191
20190211814
2019-07-11

Distribution unit

#192
20190203108
2019-07-04

Double emulsified acids and methods for producing and using the same

#193
20190203096
2019-07-04

Cement slurries, cured cements and methods of making and use thereof

#194
20190203095
2019-07-04

Cement slurries, cured cements and methods of making and use thereof

#195
20190186224
2019-06-20

Wireline deployed multi-stage stimulation and fracturing system

#196
20190177604
2019-06-13

Degradable thermosetting compositions for enhanced well production

#197
20190153843
2019-05-23

Auxiliary electric power system for well stimulation operations

#198
20190153825
2019-05-23

Liner conveyed compliant screen system

#199
20190146115
2019-05-16

Tube wave analysis of well communication

#200
20190145233
2019-05-16

Real-time monitoring and control of diverter placement for multistage stimulation treatments

#201
20190144736
2019-05-16

Breaker fluids and methods of use thereof

#202
20190136677
2019-05-09

Split stream oilfield pumping systems

#203
20190136124
2019-05-09

Systems and methods for producing hydrocarbons from hydrocarbon bearing rock via combined treatment of the rock and subsequent waterflooding

#204
20190120034
2019-04-25

PVDF pipe and methods of making and using same

#205
20190120025
2019-04-25

Treatment tool for use in a subterranean well

#206
20190092996
2019-03-28

DISPERSANT IN CEMENT FORMULATIONS FOR OIL AND GAS WELLS

#207
20190071960
2019-03-07

Multi stage chemical injection

#208
20190063193
2019-02-28

Method and system for the optimisation of the addition of diluent to an oil well comprising a downhole pump

#209
20190055461
2019-02-21

Systems and methods of optimizing Y-Grade NGL unconventional reservoir stimulation fluids

#210
20190055445
2019-02-21

Fiber suspending agent for lost-circulation materials

#211
20190042676
2019-02-07

Simulating multi-dimensional flow with coupled one-dimensional flow paths

#212
20190040708
2019-02-07

SYSTEM AND METHOD FOR TREATING A BOREHOLE

#213
20190040306
2019-02-07

Enhancing acid fracture conductivity

#214
20190040305
2019-02-07

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

#215
20190032461
2019-01-31

Non-fracturing restimulation of unconventional hydrocarbon containing formations to enhance production

#216
20190031941
2019-01-31

Delaying polymer hydration in well treatment fluids by using silica infusion

#217
20190024503
2019-01-24

pH-sensitive chemicals for downhole fluid sensing and communication with the surface

#218
20190023973
2019-01-24

Mitigation of condensate banking using surface modification

#219
20190010785
2019-01-10

Method and apparatus for wellbore fluid treatment

#220
20190010385
2019-01-10

Compositions and methods for controlling strong acid systems

#221
20190010380
2019-01-10

Method for controlling bacteria in formations using molybdate

#222
20190003288
2019-01-03

Method and device for sonochemical treatment of well and reservoir

#223
20190002754
2019-01-03

High stability polymer compositions for enhanced oil recovery applications

#224
20180371873
2018-12-27

Quantification of crossflow effects on fluid distribution during matrix injection treatments

#225
20180363439
2018-12-20

Method and apparatus for wellbore fluid treatment

#226
20180362840
2018-12-20

Hydrogels of graft polymers for acid diversion

#227
20180355695
2018-12-13

Crude oil production method and equipment

#228
20180347328
2018-12-06

Method for recovering hydrocarbons from low permeability formations

#229
20180334614
2018-11-22

Enhancing acid fracture conductivity

#230
20180334613
2018-11-22

Enhancing acid fracture conductivity

#231
20180334612
2018-11-22

Enhancing acid fracture conductivity

#232
20180322227
2018-11-08

Evaluating well stimulation to increase hydrocarbon production

#233
20180320488
2018-11-08

System and related methods for fracking and completing a well which flowably installs sand screens for sand control

#234
20180320478
2018-11-08

METHOD AND APPARATUS FOR WELLBORE FLUID TREATMENT

#235
20180320063
2018-11-08

Development of retarded acid system

#236
20180320050
2018-11-08

Methods of using drilling fluid compositions with enhanced rheology

#237
20180312746
2018-11-01

Methods of using novel organic acid compositions in the oil and gas industry

#238
20180312439
2018-11-01

Dispersant in cement formulations for oil and gas wells

#239
20180299582
2018-10-18

Process and system for enhanced depth penetration of an energy source

#240
20180291734
2018-10-11

Estimation of fracture properties based on borehole fluid data and acoustic imaging

#241
20180283173
2018-10-04

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

#242
20180282216
2018-10-04

Dispersant in cement formulations for oil and gas wells

#243
20180258737
2018-09-13

Methods and systems for setting and unsetting packers within a well

#244
20180252087
2018-09-06

A METHOD AND A SYSTEM FOR PERFORMING CHEMICAL TREATMENT OF A NEAR WELLBORE AREA

#245
20180252082
2018-09-06

METHODS OF DEGRADING POLYMER COMPOSITES IN AQUEOUS FLUIDS USING CATALYSTS

#246
20180251583
2018-09-06

Film-forming compositions containing zwitterionic functional polymers and their use in methods of reducing adhesion of an organic substance to a substrate

#247
20180244981
2018-08-30

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

#248
20180238147
2018-08-23

Systems and methods for optimization of the number of diverter injections and the timing of the diverter injections relative to stimulant injection

#249
20180230787
2018-08-16

Method for electrically enhanced oil recovery

#250
20180223175
2018-08-09

Retarded acid systems, emulsions, and methods for using in acidizing carbonate formations

#251
20180223169
2018-08-09

Spacer fluid compositions that include surfactants

#252
20180223168
2018-08-09

Spacer fluids and cement slurries that include surfactants

#253
20180223167
2018-08-09

Spacer fluid compositions, methods, and systems for aqueous based drilling mud removal

#254
20180223166
2018-08-09

Invert emulsion based drilling fluid and methods of using same

#255
20180223165
2018-08-09

Emulsifier compositions for invert emulsion fluids and methods of using the same

#256
20180223162
2018-08-09

Development of anti-bit balling fluids

#257
20180223161
2018-08-09

Development of anti-bit balling fluids

#258
20180223160
2018-08-09

Anti-bit balling drilling fluids, and methods of making and use thereof

#259
20180223159
2018-08-09

Anti-bit balling drilling fluids, and methods of making and use thereof

#260
20180223158
2018-08-09

Drilling fluid compositions with enhanced rheology and methods of using same

#261
20180223156
2018-08-09

Enhanced filtration control packages, wellbore servicing fluids utilizing the same, and methods of maintaining the structure of a wellbore

#262
20180223153
2018-08-09

Lubricants for water-based drilling fluids

#263
20180222797
2018-08-09

Cement slurries, cured cement and methods of making and use thereof

#264
20180222796
2018-08-09

Cement slurries, cured cements and methods of making and use thereof

#265
20180216438
2018-08-02

Hydraulic fracturing with strong, lightweight, low profile diverters

#266
20180202289
2018-07-19

Workflow for evaluating stabilization products for use in subterranean formations

#267
20180195368
2018-07-12

Well stimulation and cleaning tool

#268
20180179876
2018-06-28

Seismic wave generating tool, such as a spark gap of an electric arc generation device

#269
20180171771
2018-06-21

Squeeze treatment for in situ scavenging of hydrogen sulfide

#270
20180171744
2018-06-21

Downhole plug assembly

#271
20180163510
2018-06-14

System for stimulating a well

#272
20180163507
2018-06-14

Interventionless pressure operated sliding sleeve

#273
20180156019
2018-06-07

Microbubbles for treatment chemical delivery in subterranean formations

#274
20180155612
2018-06-07

Treatment fluids comprising weakly emulsifying surfactants and associated methods

#275
20180142544
2018-05-24

Methods of evaluating cement isolations and quality

#276
20180135394
2018-05-17

Wellbore Tubulars Including Selective Stimulation Ports Sealed with Sealing Devices and Methods of Operating the Same

#277
20180135381
2018-05-17

Autonomous downhole conveyance systems and methods using adaptable perforation sealing devices

#278
20180135187
2018-05-17

Corrosion Inhibition

#279
20180118991
2018-05-03

Viscous water-based composition

#280
20180086966
2018-03-29

Method for diverting an underground formation

#281
20180086961
2018-03-29

Delayed-release additives in a degradable matrix

#282
20180079950
2018-03-22

DEGRADABLE BALL SEALERS WITH IMPROVED SOLUBILITY CHARACTERISTICS

#283
20180073339
2018-03-15

Methods and systems for maintaining a pressure differential between pairs of packers

#284
20180066504
2018-03-08

Geochemical methods for monitoring and evaluating microbial enhanced recovery operations

#285
20180051545
2018-02-22

Use of seawater conditioning byproducts for energy industry operations

#286
20180038212
2018-02-08

Methods for treatment of a subterranean formation

#287
20180030820
2018-02-01

Wellbore injection system

#288
20180023377
2018-01-25

Thermally activated strong acids

#289
20180023370
2018-01-25

Selective rotationally aligning indicating mechanism

#290
20180023364
2018-01-25

Capture method for flow back retrieval of borehole plug with a lower slip assembly

#291
20180023363
2018-01-25

Flow back retrieval method for borehole plug with a lower slip assembly through tubulars of different sizes

#292
20180022989
2018-01-25

Treatment fluids comprising anhydrous ammonia for use in subterranean formation operations

#293
20180022982
2018-01-25

Methods and compositions for reducing water production in fractures or voids in subterranean formations

#294
20180004868
2018-01-04

Cloud-based reservoir simulation environment

#295
20180003196
2018-01-04

Fluid energizing device

#296
20180003003
2018-01-04

Methods and systems for stimulating and restimulating a well

#297
20180002595
2018-01-04

Systems and methods for producing hydrocarbons from hydrocarbon bearing rock via combined treatment of the rock and subsequent waterflooding

#298
20170369768
2017-12-28

Shale Treatment

#299
20170362924
2017-12-21

Method of chemically delaying peroxygen based viscosity reduction reactions

#300
20170362498
2017-12-21

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