ClassID:

135590

E21B43/025 - CPC Classification

Classification description:

Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells; Subsoil filtering Consolidation of loose sand or the like round the wells without excessively decreasing the permeability thereof

Recent Application in this class:
#1
20260092510
2026-04-02

MATERIAL AND METHOD OF JOINING SAND CONTROL SCREEN ASSEMBLY

#2
20250388801
2025-12-25

FURFURYL ALCOHOL MONOMER CONSOLIDATION TREATMENT

#3
20250236783
2025-07-24

BLOWING AGENT INCORPORATED RESIN SYSTEMS FOR CONSOLIDATING SUBTERRANEAN OIL AND GAS BEARING FORMATIONS

#4
20230392068
2023-12-07

Sand consolidation using asphaltene/tar with solvents and adsorption system

#5
20230265752
2023-08-24

All-in-one system and related method for fracking and completing a well which automatically installs sand screens for sand control immediately after fracking

#6
20230183556
2023-06-15

Blowing agent incorporated resin systems for consolidating subterranean oil and gas bearing formations

#7
20230096777
2023-03-30

Sand consolidation by enzyme mediated calcium carbonate precipitation

#8
20220307361
2022-09-29

All-in-one system and related method for fracking and completing a well which automatically installs sand screens for sand control immediately after fracking

#9
20220290546
2022-09-15

All-in-one system and related method for fracking and completing a well which automatically installs sand screens for sand control immediately after fracking

#10
20220290544
2022-09-15

All-in-one system and related method for fracking and completing a well which automatically installs sand screens for sand control immediately after fracking

#11
20220290035
2022-09-15

Sand consolidation by enzyme mediated calcium carbonate precipitation

#12
20210261851
2021-08-26

Method of sand consolidation in petroleum reservoirs

#13
20210230974
2021-07-29

Sand lift tool, system and method

#14
20210047902
2021-02-18

Hydrocarbon wells including crosslinked polymer granules in sand control structures and methods of completing the hydrocarbon wells

#15
20200386082
2020-12-10

Optimal screened subsurface well design

#16
20200291755
2020-09-17

Method of restraining migration of formation solids in a wellbore

#17
20200148941
2020-05-14

Compositions providing consolidation and water-control

#18
20200140741
2020-05-07

Method for treating a rock formation against the inflitration of sand using a geopolymer cement grout

#19
20200109612
2020-04-09

Monitoring fluid characteristics downhole

#20
20200063539
2020-02-27

Consolidated material to equalize fluid flow into a wellbore

#21
20200032127
2020-01-30

Methods of controlling fines migration in a well

#22
20190242221
2019-08-08

Method to predict reservoir formation permeability using combined acoustic and multi-frequency dielectric measurements

#23
20190162059
2019-05-30

Consolidated material to equalize fluid flow into a wellbore

#24
20190153297
2019-05-23

Inorganic clay particulate additive for consolidating treatments

#25
20190078420
2019-03-14

Mitigation of sand production in sandstone reservoir using thermally expandable beads

#26
20190040712
2019-02-07

Method for counteracting land subsidence in the vicinity of an underground reservoir

#27
20180371851
2018-12-27

Hydraulic diversion systems to enhance matrix treatments and methods for using same

#28
20180346801
2018-12-06

Silane-based tackifiers for treatment of subterranean formations

#29
20180252085
2018-09-06

Reverse frac pack treatment

#30
20180238157
2018-08-23

Permeable cement stone fracturing exploitation method for non-conventional oil and gas layer

#31
20180223170
2018-08-09

Permeability modification of subterranean formation for consolidation treatments

#32
20180142137
2018-05-24

AGGREGATING COMPOSITIONS, MODIFIED PARTICULATE SOLID COMPOSITIONS, AND METHODS FOR MAKING AND USING SAME

#33
20180112121
2018-04-26

POLYMERIC COMPOSITIONS AGGLOMERATING COMPOSITIONS, MODIFIED SOLID MATERIALS, AND METHODS FOR MAKING AND USING SAME

#34
20180016886
2018-01-18

Methods for fracturing formations using aggregating compositions

#35
20170327729
2017-11-16

Downhole resin coatings comprising a carbon nanomaterial and methods associated therewith

#36
20170314370
2017-11-02

Downhole method and apparatus

#37
20170247602
2017-08-31

Composition including a glycerol ester including at least two epoxides for treatment of subterranean formations

#38
20170198199
2017-07-13

Foamed curable resin fluids

#39
20160319183
2016-11-03

Surface modification agent emulsions comprising hydrophobically modified amine-containing polymers for use in subterranean formations

#40
20160289538
2016-10-06

Acidizing with silane treatment to control fines migration in a well

#41
20160281474
2016-09-29

Downhole method and apparatus

#42
20160200960
2016-07-14

Compositions and methods for forming and utilizing stable, single-component resin mixture

#43
20160160114
2016-06-09

Control of resin curing

#44
20150369012
2015-12-24

Apparatus and methodology for continuous down hole sand screen fill removal

#45
20150345263
2015-12-03

STABILIZING CONTAMINANTS IN DRILL CUTTINGS

#46
20150300131
2015-10-22

Self-degradable hydraulic diversion systems and methods for making and using same

#47
20150267520
2015-09-24

Hydrophobically modified amine-containing polymers for mitigating scale buildup

#48
20150233073
2015-08-20

Use of thermo-thickening polymers in the gas- and oilfield industry

#49
20150176362
2015-06-25

Conformable devices using shape memory alloys for downhole applications

#50
20150144330
2015-05-28

Subterranean formation methods and apparatus

#51
20150111791
2015-04-23

Weakly consolidated, semi consolidated formation, or unconsolidated formations treated with zeta potential altering compositions to form conglomerated formations

#52
20150083415
2015-03-26

Composites for use in stimulation and sand control operations

#53
20140262248
2014-09-18

Sand production control through the use of magnetic forces

#54
20140238673
2014-08-28

Methods of stabilizing weakly consolidated subterranean formation intervals

#55
20140231082
2014-08-21

Methods and compositions for treating subterranean formations with interlocking lost circulation materials

#56
20140190700
2014-07-10

Compositions and methods for controlling particulate migration in a subterranean formation

#57
20140054034
2014-02-27

Methods and compositions for enhancing well productivity in weakly consolidated or unconsolidated formations

#58
20130341020
2013-12-26

Methods of using nanoparticle suspension aids in subterranean operations

#59
20130341005
2013-12-26

Downhole method and apparatus

#60
20130267444
2013-10-10

Wellbore servicing fluid system and methods of use

#61
20130264057
2013-10-10

Wellbore servicing fluid system and methods of use

#62
20130175037
2013-07-11

Method of controlling reservoir particles using electrolytic composite materials

#63
20130075100
2013-03-28

Aggregating reagents and methods for making and using same

#64
20130000903
2013-01-03

Reconfigurable cement composition, articles made therefrom and method of use

#65
20120247773
2012-10-04

Method for managing channeling in geothermal recovery of hydrocarbon reservoirs

#66
20120181023
2012-07-19

Apparatus and method for sand consolidation

#67
20120160497
2012-06-28

Hydrocarbon Recovery Operations Fluids and Methods For Using the Same

#68
20120145389
2012-06-14

Well screens having enhanced well treatment capabilities

#69
20120095741
2012-04-19

Predicting Downhole Formation Volumetric Sand Production Using Grain-Scale Rock Models

#70
20120043082
2012-02-23

Methods and compositions for sand control in injection wells

#71
20110272143
2011-11-10

Sand production control through the use of magnetic forces

#72
20110079389
2011-04-07

Method for treating well bore within a subterranean formation

#73
20100282465
2010-11-11

Methods of consolidating particulates using a hardenable resin and an orgaosilane coupling agent

#74
20100243242
2010-09-30

METHOD FOR COMPLETING TIGHT OIL AND GAS RESERVOIRS

#75
20100212905
2010-08-26

Method and system using zeta potential altering compositions as aggregating reagents for sand control

#76
20100190666
2010-07-29

Method for treating fracturing water

#77
20100186969
2010-07-29

Downhole apparatus

#78
20100186954
2010-07-29

METHODS FOR CONTROLLING WATER AND PARTICULATE PRODUCTION IN SUBTERRANEAN WELLS

#79
20100181071
2010-07-22

Process and system for creating enhanced cavitation

#80
20100175895
2010-07-15

Permeability modification

#81
20100163233
2010-07-01

System, method and treatment fluid for controlling fines migration

#82
20100160187
2010-06-24

Methods and compositions for stabilizing unconsolidated particulates in a subterranean formation

#83
20100108311
2010-05-06

Calorimetric distributed temperature system and methods

#84
20100101773
2010-04-29

Methods of Cleaning Sand Control Screens and Gravel Packs

#85
20100038085
2010-02-18

Methods of underground formation consolidation

#86
20090277636
2009-11-12

System and method for perforated well sand control

#87
20090275488
2009-11-05

Methods for increase gas production and load recovery

#88
20090178801
2009-07-16

Methods for injecting a consolidation fluid into a wellbore at a subterranian location

#89
20090173497
2009-07-09

Sand control screen assembly and associated methods

#90
20090111718
2009-04-30

Control of fines migration in well treatments

#91
20090078419
2009-03-26

Methods and compositions relating to minimizing particulate migration over long intervals

#92
20090078418
2009-03-26

Methods and compositions relating to minimizing particulate migration over long intervals

#93
20090078417
2009-03-26

Emulsion system for sand consolidation

#94
20080149328
2008-06-26

Method and product to consolidate a formation

#95
20080115692
2008-05-22

Foamed resin compositions and methods of using foamed resin compositions in subterranean applications

#96
20080110624
2008-05-15

Methods for controlling water and particulate production in subterranean wells

#97
20080099200
2008-05-01

Expandable fluid cement sand control

#98
20080060810
2008-03-13

Methods for treating a subterranean formation with a curable composition using a jetting tool

#99
20080000636
2008-01-03

Method of repairing failed gravel packs

#100
20070187090
2007-08-16

Methods of cleaning sand control screens and gravel packs

#101
20070114022
2007-05-24

Methods of stabilizing unconsolidated subterranean formations

#102
20070102156
2007-05-10

Methods for treating a subterranean formation with a curable composition using a jetting tool

#103
20070079967
2007-04-12

Method of reducing sand production from a wellbore

#104
20070029087
2007-02-08

Methods for controlling water and sand production in subterranean wells

#105
20070012445
2007-01-18

Methods for controlling water and sand production in subterranean wells

#106
20060131012
2006-06-22

Remediation of subterranean formations using vibrational waves and consolidating agents

#107
20050257929
2005-11-24

Methods and compositions for consolidating proppant in subterranean fractures

#108
20050098315
2005-05-12

Method of completing poorly consolidated formations

#109
20050061509
2005-03-24

Methods for producing fluids from acidized and consolidated portions of subterranean formations

#110
20050059555
2005-03-17

Methods and compositions for stabilizing the surface of a subterranean formation

#111
20050051331
2005-03-10

Compositions and methods for particulate consolidation

#112
20050034862
2005-02-17

Methods for fracturing stimulation

#113
20050011648
2005-01-20

In-situ filters, method of forming same and systems for controlling proppant flowback employing same

#114
18616362
2025-08-26

Method for consolidating sand in hydrocarbon reservoirs

#115
17566827
2022-11-29

Primary proppant flowback control

#116
17450624
2022-11-08

Sand consolidation with a curable resin and filtercake removal fluid