ClassID:

135513

E21B33/138 - CPC Classification

Classification description:

Sealing or packing boreholes or wells in the borehole; Methods or devices for cementing, for plugging holes, crevices, or the like Plastering the borehole wall; Injecting into the formation

Recent Application in this class:
#1
20260139180
2026-05-21

DEFLOCCULATION ADDITIVES FOR WELLBORE SERVICING FLUID ADDITIVES

#2
20260132326
2026-05-14

METHODS OF SERVICING A WELLBORE WITH COMPOSITIONS COMPRISING A SUSPENSION OF METAL OXIDE AND A SALT SOLUTION

#3
20260117634
2026-04-30

DEGRADABLE FIBERS FOR WATER SAVINGS IN HYDRAULIC FRACTURING

#4
20260117617
2026-04-30

EXPANDABLE POLYMER GROUT FOR SAND CONTROL IN A WELL

#5
20260117113
2026-04-30

SURFACTANT AS RELATIVE PERMEABILITY MODIFIER FOR PRODUCED FLUIDS FROM A SUBTERRANEAN FORMATION

#6
20260092520
2026-04-02

ADAPTIVE COLLARING USING ROCK FRACTURE INDICATION

#7
20260085227
2026-03-26

LIGHTWEIGHT COMPOSITE CEMENT COMPOSITIONS AND METHODS OF CEMENTING WELLS WITH SAID COMPOSITIONS

#8
20260085226
2026-03-26

Microcapsules for Controlled Flow Diverter Formation in Geothermal Reservoirs and Method of Use Thereof

#9
20260071112
2026-03-12

GEL TEMPORARY PLUGGING AGENT AND PREPARATION METHOD AND USE THEREOF

#10
20260043307
2026-02-12

SYSTEM AND METHOD FOR LEAK PREVENTION

#11
20260043306
2026-02-12

METHOD TO CONTROL A WELL

#12
20260036016
2026-02-05

COMPOSITIONS AND METHODS FOR FLUID LOSS CONTROL IN A SUBTERRANEAN FORMATION

#13
20260028894
2026-01-29

REPAIRING MICRO ANNULUS FOR SELF-HEALING CEMENTS

#14
20260028893
2026-01-29

Method and Apparatus for Controlling Temporary Plugging Construction in Perforation Boreholes

#15
20260022618
2026-01-22

APPARATUS AND METHODS FOR FORMING FORMATION-TO-FORMATION SEALS IN A WELLBORE

#16
20250382515
2025-12-18

Cementing Compositions For Plugging Very Large Fracture Widths

#17
20250361435
2025-11-27

CEMENTITIOUS MIXTURE FOR CEMENTING A WELLBORE

#18
20250354456
2025-11-20

SYSTEM AND METHOD TO FRACTURE AND SEAL SUBTERRANEAN FORMATIONS

#19
20250347193
2025-11-13

DOWNHOLE TOOL

#20
20250346430
2025-11-13

SYSTEMS AND METHODS FOR MONITORING STORAGE SITES

#21
20250334022
2025-10-30

CURING CASING LEAK TOOL

#22
20250320403
2025-10-16

METHOD FOR CONSOLIDATING SUBTERRANEAN FORMATION

#23
20250314146
2025-10-09

METHODS, APPARATUS AND SYSTEMS FOR CREATING WELLBORE PLUGS FOR ABANDONED WELLS

#24
20250305384
2025-10-02

USE OF MINERAL INSULATED HEATERS TO APPLY EUTECTIC METALS TO REMEDIATE LOST CIRCULATION

#25
20250305377
2025-10-02

LOST CIRCULATION MATERIAL COMPOSITIONS UTILIZING SPENT DRILLING FLUIDS AND METHODS FOR USING THE SAME

#26
20250297528
2025-09-25

Method for Treating a Geological Formation

#27
20250297527
2025-09-25

DOWNHOLE FLUID LOSS REPAIR

#28
20250282551
2025-09-11

SYSTEM AND METHOD TO STORE FLUID UNDERGROUND

#29
20250270913
2025-08-28

Method for Preventing Influx of Fluid During Fracturing of an Offset Well

#30
20250264001
2025-08-21

DOWNHOLE INJECTION TOOL AND METHOD FOR INJECTING A FLUID IN AN ANNULUS SURROUNDING A DOWNHOLE TUBULAR

#31
20250250878
2025-08-07

EXPANDABLE POLYMER GROUT FOR SEALING SUBTERRANEAN FORMATIONS

#32
20250236781
2025-07-24

PROPPANT-FIBER SCHEDULE FOR FAR FIELD DIVERSION

#33
20250223229
2025-07-10

CEMENTITIOUS HEMATITE-BASED GEOPOLYMER COMPOSITION

#34
20250207474
2025-06-26

DRILLING AND CEMENTING UNIVERSAL FLUIDS AND METHODS AND SYSTEMS RELATED THERETO

#35
20250197711
2025-06-19

METHODS OF SERVICING A WELLBORE WITH COMPOSITIONS COMPRISING A SUSPENSION OF METAL OXIDE AND A SALT SOLUTION

#36
20250188337
2025-06-12

SELF-DEGRADING ORGANOGELS

#37
20250179345
2025-06-05

Bioderived Renewable Graphene Enhanced Cement

#38
20250172053
2025-05-29

SYSTEMS AND METHODS OF ACTIVATING LOSS CIRCULATION MATERIALS

#39
20250171678
2025-05-29

ONE-SACK GEOPOLYMER COMPOSITIONS

#40
20250166648
2025-05-22

SYSTEM FOR MAINTAINING REVERSIBLE DYNAMIC RANGE CONTROL INFORMATION ASSOCIATED WITH PARAMETRIC AUDIO CODERS

#41
20250163311
2025-05-22

Thixotropic Cement Slurry with Graphene Oxide

#42
20250162939
2025-05-22

THERMALLY CONDUCTIVE CEMENTS AND METHODS FOR USE THEREOF

#43
20250146713
2025-05-08

Forming High-Efficiency Geothermal Wellbores

#44
20250137348
2025-05-01

SUBTERRANEAN FORMATION FUNCTIONALIZATION FOR PERMEATION SELECTIVITY

#45
20250129285
2025-04-24

NYLON 66 AS A HIGH TEMPERATURE DIVERTER MATERIAL

#46
20250122421
2025-04-17

COMPOSITIONS AND METHODS FOR PRESSURE PROTECTION

#47
20250110031
2025-04-03

METHOD FOR MANAGING SANDING VOLUME EXPECTATION IN WEAK SANDSTONE BASED ON PLASTIC ZONE VOLUME

#48
20250109651
2025-04-03

REPAIRING MICRO ANNULUS FOR SELF-HEALING CEMENTS

#49
20250101819
2025-03-27

System for optimizing particle size distribution of lost circulation materials

#50
20250092301
2025-03-20

SWELLABLE ELASTOMERS FOR CONTROLLED SEALING OF THE ANNULAR SPACE OF A WELL AND METHODS THEREOF

#51
20250084713
2025-03-13

METHODS OF USING MULTI-PARTICLE LOST CIRCULATION MATERIAL IN HIGHLY POROUS OR FRACTURED FORMATIONS

#52
20250084297
2025-03-13

Bioderived Renewable Graphene Enhanced Cement

#53
20250075115
2025-03-06

LIGHTWEIGHT COMPOSITE CEMENT COMPOSITIONS AND METHODS OF CEMENTING WELLS WITH SAID COMPOSITIONS

#54
20250075042
2025-03-06

EPOXY RESIN COMPOSITIONS AND USES THEREOF

#55
20250066659
2025-02-27

CLAY SWELLING INHIBITOR COMPOSITIONS AND METHODS OF USING SAME

#56
20250051630
2025-02-13

Composite gels for water shutoff in fractured reservoirs

#57
20250043656
2025-02-06

METHOD FOR IMPROVING OIL AND GAS WELL PRODUCTIVITY AND ENCAPSULATED LUBRICATING FRAC FLUID ADDITIVE BY LUBRICATION OF STIMULATED RESERVOIR VOLUME

#58
20250034967
2025-01-30

Photopolymer curing for water shut-off

#59
20250003311
2025-01-02

METHOD FOR TAKING A CORE SAMPLE OF A FORMATION

#60
20250003298
2025-01-02

RETRIEVABLE DOWNHOLE HEATER

#61
20250002777
2025-01-02

SUBTERRANEAN WATER CONTROL USING SWELLABLE ELASTOMERIC PARTICLES

#62
20240426199
2024-12-26

Stimulating wells created by underbalanced coiled tubing drilling

#63
20240425744
2024-12-26

PREVENTING WATER PRODUCTION IN SUBTERRANEAN FORMATIONS

#64
20240418052
2024-12-19

JOINT ASSEMBLY, PRODUCTION WELL MANUFACTURING METHOD, AND GAS PRODUCTION METHOD

#65
20240417617
2024-12-19

NANOSILICA-BASED COMPOSITION FOR PROVIDING WATER SHUT OFF TO SUBTERRANEAN FORMATION

#66
20240409803
2024-12-12

CHEMICAL COMPOSITIONS FOR GEOTHERMAL WELL STIMULATION

#67
20240401421
2024-12-05

Lost circulation eutectoid alloy downhole deployment tool

#68
20240392179
2024-11-28

APPARATUS UTILIZING SHAPE-MEMORY AND SELF-ASSEMBLY TO PLUG RELATIVELY WIDE REMOTE FRACTURES

#69
20240384626
2024-11-21

Hydrogels for carbon sequestration and sealing zones in a wellbore

#70
20240368962
2024-11-07

GEOPOLYMER COMPOSITIONS AND METHODS

#71
20240368961
2024-11-07

PROTECTING THE CASING-CASING ANNULUS IN HYDROCARBON PRODUCING WELLBORES

#72
20240368451
2024-11-07

Gel formation from reaction heating

#73
20240344418
2024-10-17

Method for improving oil and gas well productivity and encapsulated lubricating frac fluid additive by lubrication of stimulated reservoir volume

#74
20240336832
2024-10-10

Propoxylates for foam enhancement

#75
20240318527
2024-09-26

PROCESS OF WATER SHUT OFF IN VERTICAL WELLS COMPLETED WITH ELECTRICAL SUBMERSIBLE PUMPS

#76
20240301764
2024-09-12

Method for Forming High Efficiency Geothermal Wellbores

#77
20240287376
2024-08-29

CARBON DIOXIDE CAPTURING POLYMERIC SYSTEM FOR WATER SHUTOFF APPLICATIONS

#78
20240279531
2024-08-22

Self-aggregating particles for lost circulation materials and related method

#79
20240271027
2024-08-15

FOLDABLE PARTICLES FOR LOST CIRCULATION MATERIALS AND RELATED METHOD

#80
20240254380
2024-08-01

CARBON DIOXIDE CAPTURING POLYMERIC SYSTEM FOR WATER SHUTOFF APPLICATIONS

#81
20240247573
2024-07-25

WELL INJECTION AND PRODUCTION METHODS, APPARATUS AND SYSTEMS

#82
20240247563
2024-07-25

PROCESS OF WATER SHUT OFF IN VERTICAL WELLS COMPLETED WITH ELECTRICAL SUBMERSIBLE PUMPS

#83
20240240072
2024-07-18

METHOD FOR STABILIZING WELLBORE, STABILIZED WELLBORE AND WELLBORE STABILIZING FLUID

#84
20240218232
2024-07-04

METHODS AND COMPOSITIONS USING DISSOLVABLE GELLED MATERIALS FOR DIVERSION

#85
20240159124
2024-05-16

METHODS, APPARATUS AND SYSTEMS FOR CREATING WELLBORE PLUGS FOR ABANDONED WELLS

#86
20240110731
2024-04-04

Method for Configuring Wellbores in a Geologic Formation

#87
20240109810
2024-04-04

FILLING MATERIAL

#88
20240093579
2024-03-21

High-efficiency yield-increasing exploitation method for natural gas hydrates

#89
20240093571
2024-03-21

Methods, apparatus and systems for creating bismuth alloy plugs for abandoned wells

#90
20240067864
2024-02-29

Curable hybrid chemical resin for sand consolidation

#91
20240067862
2024-02-29

Proppant-fiber schedule for far field diversion

#92
20240060388
2024-02-22

Drilling stabilizers with dissolvable windows for controlled release of chemicals

#93
20240060385
2024-02-22

AN EXPANDABLE EUTECTIC ALLOY BASED DOWNHOLE TOOL AND METHODS OF DEPLOYING SUCH

#94
20240026749
2024-01-25

Deployment methods for expandable polymer grout for plug and abandonment applications

#95
20240026207
2024-01-25

Foamed gel system for water shut off in subterranean zones

#96
20240018844
2024-01-18

System for maintaining reversible dynamic range control information associated with parametric audio coders

#97
20230407724
2023-12-21

Wellbore drilling and completion systems using laser head

#98
20230407162
2023-12-21

Method for fluid loss control with two treatment fluids

#99
20230392068
2023-12-07

Sand consolidation using asphaltene/tar with solvents and adsorption system

#100
20230374885
2023-11-23

Foamed cementing system including automated gas supply

#101
20230358124
2023-11-09

Method for preventing influx of fluid during fracturing of an offset well

#102
20230330936
2023-10-19

ADDITIVE MANUFACTURE-ASSISTED METHOD FOR MAKING STRUCTURAL ELEMENTS HAVING CONTROLLED FAILURE CHARACTERISTICS

#103
20230323190
2023-10-12

METHOD FOR CONTROLLING THE MIGRATION OF FORMATION FINES

#104
20230323187
2023-10-12

Methods and compositions using dissolvable gelled materials for diversion

#105
20230323184
2023-10-12

Reactivity Mapping

#106
20230313682
2023-10-05

Hole protection system and method for coal seam slotting and fracturing combined drainage

#107
20230303907
2023-09-28

In-situ foamed gel for lost circulation

#108
20230295482
2023-09-21

METHOD FOR STABILIZING WELLBORE, STABILIZED WELLBORE AND WELLBORE STABILIZING FLUID

#109
20230287745
2023-09-14

Methods of manufacturing lost circulation material at a well site

#110
20230279282
2023-09-07

Self-degrading organogels

#111
20230272690
2023-08-31

Methods and apparatus for printing a wellbore casing

#112
20230272689
2023-08-31

Methods, apparatus and systems for creating wellbore plugs for abandoned wells

#113
20230265741
2023-08-24

DOWNHOLE HEATING TOOLS WITH INCREASED HEATING CAPACITY AND ASSOCIATED TOOLS AND METHODS

#114
20230265334
2023-08-24

Treatment of subterranean formations

#115
20230220763
2023-07-13

Evaluating annular material in a wellbore using transient thermal response data

#116
20230220741
2023-07-13

METHOD FOR PREPARING A WELLBORE

#117
20230203363
2023-06-29

Methods of treating lost circulation zones

#118
20230193706
2023-06-22

Device, system, and method for applying a rapidly solidifying sealant across highly fractured formations during drilling of oil and gas wells

#119
20230193705
2023-06-22

System and method for plugging a lost-circulation zone in a subsurface formation

#120
20230193114
2023-06-22

Diluent for solids-control fluid in a wellbore

#121
20230186002
2023-06-15

Designing service for wellbores with fluid losses

#122
20230184051
2023-06-15

Selective zonal isolation

#123
20230183562
2023-06-15

Compositions and methods for pressure protection

#124
20230183548
2023-06-15

Rigless method for selective zonal isolation in subterranean formations using polymer gels

#125
20230175347
2023-06-08

Drilling stabilizers with dissolvable windows for controlled release of chemicals

#126
20230175342
2023-06-08

Introduction and mixing of separate liquid compositions containing reactive components within a well

#127
20230167707
2023-06-01

Gas hydrate well control

#128
20230151261
2023-05-18

Gel fluid composites comprising nanosilica and quantum dots for sealing water production in a wellbore

#129
20230136892
2023-05-04

Pelletized diverting agents using degradable polymers

#130
20230129905
2023-04-27

Treatment of subterranean formations

#131
20230126946
2023-04-27

Method for leveling the injectivity profile of an injection well

#132
20230103962
2023-04-06

Running tool for a downhole aparatus for patching a wall of conduit and a method of patching a conduit

#133
20230084576
2023-03-16

Compositions and methods for pressure protection

#134
20230069715
2023-03-02

Micro frac plug

#135
20230035211
2023-02-02

Packer fluid with nanosilica dispersion and sodium bicarbonate for thermal insulation

#136
20230033325
2023-02-02

Method for preventing stratal water from breaking through into bottom holes of wells

#137
20230025125
2023-01-26

Method for sealing fractures in a subterranean well casing

#138
20230023606
2023-01-26

System and method of treating a subterranean formation with a diverting composition

#139
20230015016
2023-01-19

Cementing across loss circulation zones utilizing a smart drillable cement stinger

#140
20230008211
2023-01-12

Method for Preventing Influx of Fluid During Fracturing of an Offset Well

#141
20220411688
2022-12-29

Method for sealing a bore

#142
20220389790
2022-12-08

Method and a drill bit for sealing a blasthole wall

#143
20220372838
2022-11-24

Method for forming high efficiency geothermal wellbores

#144
20220363970
2022-11-17

Polymeric gels for oil and gas conformance control applications and methods of making same

#145
20220348819
2022-11-03

Flow control in subterranean wells

#146
20220348817
2022-11-03

Crosslinking of swellable polymer with PEI

#147
20220325602
2022-10-13

Method for taking a core sample of a formation

#148
20220325165
2022-10-13

Nanosized dendrimeric epoxy resin as a loss circulation material

#149
20220316297
2022-10-06

Fluids having increased magnetic permeability for subterranean tool activation

#150
20220307358
2022-09-29

Well injection and production methods, apparatus and systems

#151
20220307338
2022-09-29

Sealing cracked cement in a wellbore casing

#152
20220290033
2022-09-15

Polymer-nanofiller hydrogels

#153
20220267664
2022-08-25

Emulsified resin-based loss circulation materials for low pressure formations

#154
20220267663
2022-08-25

Passivated cement accelerator

#155
20220235259
2022-07-28

Reactive polymeric lost circulation materials

#156
20220228456
2022-07-21

Discrete plugging device launcher

#157
20220227893
2022-07-21

Starch-containing microsphere and preparation method and use thereof

#158
20220195834
2022-06-23

Downhole casing-casing annulus sealant injection

#159
20220186581
2022-06-16

Portable foam injection system

#160
20220162494
2022-05-26

Methods of cementing a wellbore without using a spacer fluid with a chain extended non-ionic surfactant

#161
20220154563
2022-05-19

Methods of controlling water production from hydrocarbon bearing subterranean formations using dense carbon dioxide compositions

#162
20220154548
2022-05-19

Methods and systems for water shut-off

#163
20220136365
2022-05-05

Cement compositions and methods

#164
20220127942
2022-04-28

Volumetric fracturing method of temporarily plugging and diverting through functional slick water with oil displacement agent injected simultaneously

#165
20220127513
2022-04-28

DOWNHOLE TREATMENT COMPOSITIONS COMPRISING LOW TEMPERATURE DEGRADABLE DIVERTING AGENTS AND METHODS OF USE IN DOWNHOLE FORMATIONS

#166
20220120157
2022-04-21

Reinforcing wellbores prior to casing and cementing

#167
20220106846
2022-04-07

Lost circulation material having tentacles

#168
20220106845
2022-04-07

Lost circulation material having tentacles

#169
20220106517
2022-04-07

Polymer-sand nanocomposite for water shutoff

#170
20220090475
2022-03-24

Use of Far-Field Diverting Compositions For Hydraulic Fracturing Treatments

#171
20220065055
2022-03-03

Method and apparatus to cure drilling losses with an electrically triggered lost circulation material

#172
20220025749
2022-01-27

Acid fracturing treatments in hydrocarbon-bearing formations in close proximity to wet zones

#173
20220017810
2022-01-20

Geopolymer formulations for mitigating losses

#174
20220010664
2022-01-13

Method for injecting fluid into a formation to produce oil

#175
20220010651
2022-01-13

Cementing across loss circulation zones utilizing a smart drillable cement stinger

#176
20220010191
2022-01-13

Asphaltene solution for water shut off

#177
20220010190
2022-01-13

Real time tailoring of cement slurry for downhole thickening time

#178
20220003459
2022-01-06

Method for configuring wellbores in a geologic formation

#179
20220003058
2022-01-06

Estimating three dimensional networks of plugs for drilling fluid additives

#180
20220002612
2022-01-06

Method of improving wellbore integrity and loss control

#181
20220002611
2022-01-06

Accelerated cement compositions and methods for treating lost circulation zones

#182
20210404288
2021-12-30

Method for coring that allows the preservation of in-situ soluble salt cements within subterranean rocks

#183
20210403797
2021-12-30

Low pH crosslinking of polymers

#184
20210388685
2021-12-16

Lost circulation fabric, method, and deployment systems

#185
20210388684
2021-12-16

Lost circulation fabric, method, and deployment systems

#186
20210380866
2021-12-09

Sago-based formulations for gel applications including conformance control and water shutoffs

#187
20210380864
2021-12-09

Polyvinyl alcohol-based particulate compositions

#188
20210379540
2021-12-09

System and method of producing foamed cement in a laboratory environment

#189
20210372216
2021-12-02

Flexible barrel dump bailer

#190
20210363415
2021-11-25

Degradable diversion material having a polyacrylate compound

#191
20210363402
2021-11-25

COMPOSITION AND METHOD FOR WATER AND GAS SHUT-OFF IN SUBTERRANEAN FORMATIONS

#192
20210363401
2021-11-25

Cycloalkene and transition metal compound catalyst resin for well sealing

#193
20210348484
2021-11-11

Well intervention-less control of perforation formation and isolation

#194
20210332288
2021-10-28

Use of multiple charged cationic compounds derived from polyamines for clay stabilization in oil and gas operations

#195
20210332285
2021-10-28

Reactive polymeric lost circulation materials

#196
20210325089
2021-10-21

Forming high efficiency geothermal wellbores

#197
20210324256
2021-10-21

Polymer-sand nanocomposite for water shutoff

#198
20210317360
2021-10-14

Methods and materials for controlled release of materials in a subterranean reservoir

#199
20210310330
2021-10-07

Resin plug for wellbore abandonment

#200
20210292637
2021-09-23

Compositions and methods for enhanced oil recovery from low permeability formations

#201
20210270106
2021-09-02

System for maintaining reversible dynamic range control information associated with parametric audio coders

#202
20210261854
2021-08-26

Delayed gelling agents

#203
20210253939
2021-08-19

Consolidation and wellbore strength enhancement with CaCOprecipitation

#204
20210253935
2021-08-19

Method for inhibiting water permeation in an extraction well of a hydrocarbon oil from an underground reservoir

#205
20210253934
2021-08-19

Geopolymer formulations for mitigating losses

#206
20210246758
2021-08-12

Releasable alloy system and method for well management

#207
20210246361
2021-08-12

Emulsified silane modified colloidal silica (Pickering emulsion) for conformance control

#208
20210222513
2021-07-22

Delayed activation of no-heat liquid solder in a wellbore

#209
20210222512
2021-07-22

Wellbore remedial operations with no-heat liquid solder

#210
20210222047
2021-07-22

Wellbore treatment fluids with no-heat liquid solder additives

#211
20210214602
2021-07-15

Compositions and methods for controlling migration of particulates

#212
20210214601
2021-07-15

Method and material for isolating a severe loss zone

#213
20210189219
2021-06-24

Epoxy-based LCM compositions with controlled viscosity and methods of treating a lost circulation zone of a wellbore

#214
20210189218
2021-06-24

LCM composition with controlled viscosity and cure time and methods of treating a lost circulation zone of a wellbore

#215
20210179915
2021-06-17

Thermally responsive lost circulation materials

#216
20210179912
2021-06-17

Thermally responsive viscosifiers in subterranean operations

#217
20210172283
2021-06-10

A DEVICE FOR FORMING A BARRIER IN AN ANNULUS OF A WELL

#218
20210172279
2021-06-10

Repairable seal assemblies for oil and gas applications

#219
20210172271
2021-06-10

Hybrid stationary loss circulation cake activated in-situ

#220
20210172269
2021-06-10

Deploying wellbore patch for mitigating lost circulation

#221
20210164329
2021-06-03

Deploying a liner in a wellbore

#222
20210164322
2021-06-03

Methods, apparatus and systems for creating wellbore plugs for abandoned wells

#223
20210163809
2021-06-03

Foamed treatment fluids for lost circulation control

#224
20210155842
2021-05-27

Rare earth oxide as a weighting and bridging agent

#225
20210155841
2021-05-27

Methods, apparatus and systems for creating bismuth alloy plugs for abandoned wells

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20210148221
2021-05-20

RATE CONTROL SEQUENCE FOR DIVERSION TREATMENT

#227
20210148191
2021-05-20

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

#228
20210148190
2021-05-20

Methods, apparatus and systems for creating wellbore plugs for abandoned wells

#229
20210140269
2021-05-13

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

#230
20210131246
2021-05-06

Methods to perform wellbore strengthening, methods to pulse hydraulic fracture a downhole formation, and wellbore strengthening systems

#231
20210130678
2021-05-06

Compositions useful for diverting or stopping fluids in subterranean operations

#232
20210123307
2021-04-29

At-the-bit mud loss treatment

#233
20210122967
2021-04-29

Fluid diversion composition in well stimulation

#234
20210115760
2021-04-22

Methods for increasing wellbore strength

#235
20210115756
2021-04-22

Method for preventing influx of fluid during fracturing of an offset well

#236
20210115755
2021-04-22

Tubular wire mesh for loss circulation and wellbore stability

#237
20210095180
2021-04-01

Combination for filtrate control and gas migration

#238
20210087454
2021-03-25

Degradable polymeric nanoparticles and uses thereof

#239
20210087453
2021-03-25

High-temperature resistant, high-strength, and thixotropic gel plugging agent and its preparation method and application

#240
20210079749
2021-03-18

Tool and method for cutting the casing of a bore hole

#241
20210079748
2021-03-18

Improvements In Or Relating To Well Abandonment and Slot Recovery

#242
20210062613
2021-03-04

Methods for improving oil recovery within a subterranean formation

#243
20210062074
2021-03-04

Diversion using solid particulates

#244
20210054716
2021-02-25

Plugging formation fractures

#245
20210054697
2021-02-25

Capillary tubing for downhole fluid loss repair

#246
20210040821
2021-02-11

In-situ system for mixing two or more chemical components downhole in a wellbore and a method employing same

#247
20210040814
2021-02-11

Method for sealing a void in a well using smart gels

#248
20210040376
2021-02-11

De-oiled lost circulation materials

#249
20210032530
2021-02-04

Methods and compositions for acidizing and stabilizing formation of fracture faces in the same treatment

#250
20210032527
2021-02-04

Weighted fluid loss control pill for completion and workover operations

#251
20210032373
2021-02-04

STARCH-CONTAINING MICROSPHERE AND PREPARATION METHOD AND USE THEREOF

#252
20210025259
2021-01-28

Tandem cement retainer and bridge plug

#253
20210024807
2021-01-28

Proppant-fiber schedule for far field diversion

#254
20210017832
2021-01-21

Method for killing oil and gas wells

#255
20210017440
2021-01-21

LATEX CHEMISTRY WITH COALESCING AGENT

#256
20210002994
2021-01-07

METHOD FOR CREATING BRANCH FRACTURES IN OIL WELLS

#257
20210002992
2021-01-07

Acid fracturing treatments in hydrocarbon-bearing formations in close proximity to wet zones

#258
20210002991
2021-01-07

Methods for pressure protection using a gas

#259
20210002990
2021-01-07

Methods for improving hydrocarbon production from an unconventional subterranean formation

#260
20210002974
2021-01-07

Curing a lost circulation zone in a wellbore

#261
20210002544
2021-01-07

Methods for pressure protection using a foamed pressure protection composition

#262
20200408064
2020-12-31

Flow control in subterranean wells

#263
20200408063
2020-12-31

Polymer gel compositions for treating aqueous zones in subterranean formations and methods of treating the aqueous zones

#264
20200407620
2020-12-31

Method and materials to convert a drilling mud into a solid gel based lost circulation material

#265
20200399523
2020-12-24

Drilling fluids that include water-insoluble acid catalyst precursors

#266
20200399521
2020-12-24

Drilling fluids that include water-soluble acid catalysts and uses for such

#267
20200392809
2020-12-17

Multi-slug staged method for plugging fractured formation

#268
20200386082
2020-12-10

Optimal screened subsurface well design

#269
20200385627
2020-12-10

Low temperature diversion in well completion operations using natural mineral compound

#270
20200378212
2020-12-03

Improvements In Or Relating To Well Abandonment and Slot Recovery

#271
20200377781
2020-12-03

Pelletized diverting agents using degradable polymers

#272
20200370428
2020-11-26

Caliper-behind-casing from pulsed neutron apparatus

#273
20200370412
2020-11-26

Well injection program including an evaluation of sandface plugging

#274
20200370393
2020-11-26

Section milled window cementing diverter

#275
20200369943
2020-11-26

Methods of improving conformance applications

#276
20200362663
2020-11-19

Flow control in subterranean wells

#277
20200362220
2020-11-19

Unfoldable device for controlling loss circulation

#278
20200355069
2020-11-12

Method for acquiring opening timing of natural fracture under in-slit temporary plugging condition

#279
20200354622
2020-11-12

Method of improving wellbore integrity and loss control

#280
20200354620
2020-11-12

METHODS AND COMPOSITIONS FOR PLUGGING A WELLBORE OR SUBTERRANEAN FORMATION

#281
20200347713
2020-11-05

Monitoring health of additive systems

#282
20200340329
2020-10-29

Isolation polymer packer

#283
20200339863
2020-10-29

Well treatment fluid having an acidic nanoparticle based dispersion, an epoxy resin, and a polyamine

#284
20200332623
2020-10-22

Method for preventing influx of fluid during fracturing of an offset well

#285
20200332620
2020-10-22

Expandable eutectic alloy based downhole tool and methods of deploying such

#286
20200332176
2020-10-22

Methods and compositions for diversion during enhanced oil recovery

#287
20200332173
2020-10-22

Method for controlling the permeability of a petroleum well

#288
20200332172
2020-10-22

Reactivity mapping

#289
20200325383
2020-10-15

Filling material for underground treatment, underground treatment method and filling well wall method

#290
20200325382
2020-10-15

Method for treating the area surrounding a well using an aqueous gelling solution comprising an alkaline potassium silicate solution and an acetic acid

#291
20200317988
2020-10-08

Permeable and decomposable plug forming rapidly dehydrating fluid (RDF)

#292
20200317987
2020-10-08

Permeable and decomposable plug forming rapidly dehydrating fluid (RDF)

#293
20200317986
2020-10-08

Permeable and decomposable plug forming rapidly dehydrating fluid (RDF)

#294
20200317983
2020-10-08

Compositions for sealing an annulus of a wellbore

#295
20200308476
2020-10-01

Fiber surface finishing

#296
20200308470
2020-10-01

Methods of cementing a wellbore without using a spacer fluid with an alkyl end-capped ethoxylated fatty alcohol

#297
20200308467
2020-10-01

Reversible aminal gel compositions, methods, and use

#298
20200291740
2020-09-17

Apparatus and method for creating a plug in a wellbore

#299
20200291288
2020-09-17

Hydraulic geofracture energy storage system with desalination

#300
20200284109
2020-09-10

Method and model for wellbore strengthening by filtercake