ClassID:

104304

C09K8/516 - CPC Classification

Classification description:

Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations; Compositions for plastering borehole walls, i.e. compositions for temporary consolidation of borehole walls characterised by their form or by the form of their components, e.g. encapsulated material

Sub-classes:
Recent Application in this class:
#1
20260085229
2026-03-26

COMPOSITE DIVERSION PARTICLE AGGLOMERATION

#2
20260071112
2026-03-12

GEL TEMPORARY PLUGGING AGENT AND PREPARATION METHOD AND USE THEREOF

#3
20260028522
2026-01-29

WELLBORE FLUID ADDITIVES, WELLBORE FLUIDS COMPRISING SAID ADDITIVES, AND METHODS OF STRENGTHENING WELLBORES USING SAID FLUIDS

#4
20250297528
2025-09-25

Method for Treating a Geological Formation

#5
20250236781
2025-07-24

PROPPANT-FIBER SCHEDULE FOR FAR FIELD DIVERSION

#6
20250084713
2025-03-13

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

#7
20250075116
2025-03-06

Nano-Modified Polymer Injectate for Improving Energy Sweep in Geothermal Reservoirs and Methods of Making

#8
20250059838
2025-02-20

Encapsulated lost circulation materials based on swellable elastomers

#9
20250059436
2025-02-20

ENCAPSULATION OF OILFIELD CHEMICALS FOR ON-DEMAND TRIGGERED RELEASE

#10
20250043656
2025-02-06

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

#11
20240417617
2024-12-19

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

#12
20240368451
2024-11-07

Gel formation from reaction heating

#13
20240344418
2024-10-17

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

#14
20240309262
2024-09-19

METHOD AND COMPOSITION FOR SUBSURFACE WELL INTERVENTION TO REDUCE WELL FLUID LOSS

#15
20240279531
2024-08-22

Self-aggregating particles for lost circulation materials and related method

#16
20240228859
2024-07-11

BRIDGING PARTICLE AND FLUID LOSS CONTROL AGENT

#17
20240141224
2024-05-02

COMPOSITION FOR MAKING A DRILLING FLUID A NON-INVASIVE DRILLING FLUID

#18
20240132772
2024-04-25

BRIDGING PARTICLE AND FLUID LOSS CONTROL AGENT

#19
20240110090
2024-04-04

COMPOSITE DIVERSION PARTICLE AGGLOMERATION

#20
20240067862
2024-02-29

Proppant-fiber schedule for far field diversion

#21
20240059957
2024-02-22

Control of Lost Circulation Through a Thermally Activated Metallic Additive

#22
20240026210
2024-01-25

Formulation for inhibiting water permeation in an extraction well of a hydrocarbon fluid from an underground reservoir

#23
20240002717
2024-01-04

SWITCHABLE POLYMERS THAT REDUCE WATER PRODUCTION IN A HYDROCARBON-PRODUCING WELL

#24
20230295484
2023-09-21

Loss circulation materials for high pressure formations

#25
20230272709
2023-08-31

Choice of LCM Materials and Loading for Loss Circulation Control

#26
20230243224
2023-08-03

EXPANDABLE METAL SEALANT WELLBORE CASING PATCH

#27
20230220267
2023-07-13

Nano-Modified Polymer Injectate for Improving Energy Sweep in Geothermal Reservoirs and Methods of Making

#28
20230203362
2023-06-29

Polymerized alkali silicate gels for use in subterranean formations

#29
20230203361
2023-06-29

WELLBORE STABILITY COMPOSITIONS COMPRISING NANOPARTICLES

#30
20230183548
2023-06-15

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

#31
20230151261
2023-05-18

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

#32
20230142223
2023-05-11

Polymer-sand nanocomposite lost circulation material

#33
20230118725
2023-04-20

Reversible mechanically triggered nanosilica gels

#34
20230035211
2023-02-02

Packer fluid with nanosilica dispersion and sodium bicarbonate for thermal insulation

#35
20220411689
2022-12-29

Plasticized polyvinyl alcohol diverter materials

#36
20220389305
2022-12-08

Use of controlled release acid system in treatment of wells

#37
20220381114
2022-12-01

DEGRADABLE DOWNHOLE DISK

#38
20220298406
2022-09-22

Method of Using Alginates in Subterranean Wellbores

#39
20220290033
2022-09-15

Polymer-nanofiller hydrogels

#40
20220251437
2022-08-11

Composition for making a drilling fluid a non-invasive drilling fluid

#41
20220235622
2022-07-28

Methods of completing a well and apparatus therefor

#42
20220235259
2022-07-28

Reactive polymeric lost circulation materials

#43
20220213374
2022-07-07

High density brine with low crystallization temperature

#44
20220177768
2022-06-09

Method of using composite diversion particle agglomerations

#45
20220169911
2022-06-02

Suspension of associative polymers for the treatment of underground formations

#46
20220169910
2022-06-02

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

#47
20220154548
2022-05-19

Methods and systems for water shut-off

#48
20220154065
2022-05-19

Reversible mechanically triggered nanosilica gels

#49
20220154064
2022-05-19

Mussel bionic gel composition, self-repairing gel, profile control and water plugging agent, method for preparing self-repairing gel, and use

#50
20220135867
2022-05-05

CROSSLINKING FLUIDS, METHODS FOR DELAYING GEL CROSSLINKING OF SAID FLUIDS, AND APPLICATIONS OF SAID FLUIDS

#51
20220135864
2022-05-05

Silicon dioxide Janus nanosheets relative permeability modifier (RPM) for reducing subterranean formation water permeability in carbonate and sandstone formations

#52
20220135863
2022-05-05

Shape-adaptable lost circulation material for moderate and severe loss control

#53
20220127927
2022-04-28

Nanoparticle-based shear-thickening materials

#54
20220112777
2022-04-14

Polymer-sand nanocomposite lost circulation material

#55
20220106517
2022-04-07

Polymer-sand nanocomposite for water shutoff

#56
20220056330
2022-02-24

Kits and compositions containing vinyl alcohol polymers and fibers

#57
20220049149
2022-02-17

Engineered loss control slurry with improved performance

#58
20220041916
2022-02-10

Cross-linked plugging agent stimulated by high density brine and preparing method thereof

#59
20220033703
2022-02-03

Re-assembling polymer particle package for conformance control and fluid loss control

#60
20220025752
2022-01-27

Thermally activated strong acids

#61
20220010193
2022-01-13

Method to use lost circulation material composition comprising alkaline nanoparticle based dispersion and sodium bicarbonate in downhole conditions

#62
20220010192
2022-01-13

Methods of making and using a wellbore servicing fluid for controlling losses in permeable zones

#63
20210395601
2021-12-23

Silicon dioxide Janus nanosheets relative permeability modifier (RPM) for reducing subterranean formation water permeability in carbonate and sandstone formations

#64
20210395600
2021-12-23

Graphene oxide janus nanosheets relative permeability modifier (RPM) for reducing subterranean formation water permeability in carbonate formations

#65
20210381335
2021-12-09

Dissolvable diversion package and method of use

#66
20210380866
2021-12-09

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

#67
20210363405
2021-11-25

Multi-modal, low particle size distribution lost circulation material

#68
20210340426
2021-11-04

Temporary blockage of fluid boundary between higher and lower fluid conductivity formations

#69
20210332285
2021-10-28

Reactive polymeric lost circulation materials

#70
20210332282
2021-10-28

Invert-emulsion drilling fluids and methods for reducing lost circulation in a subterranean formation using the invert-emulsion drilling fluids

#71
20210324257
2021-10-21

Nanosheet polymer composite for water shutoff

#72
20210324256
2021-10-21

Polymer-sand nanocomposite for water shutoff

#73
20210324113
2021-10-21

Nanosheet polymer composite for water shutoff

#74
20210317360
2021-10-14

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

#75
20210310330
2021-10-07

Resin plug for wellbore abandonment

#76
20210309906
2021-10-07

Compressible carbon particles to mitigate annular pressure buildup using compressible particles

#77
20210292634
2021-09-23

Composite diverting particulates

#78
20210230470
2021-07-29

Reservoir emplacement of rheologically tuned and timed nanoparticle emulsions

#79
20210222047
2021-07-22

Wellbore treatment fluids with no-heat liquid solder additives

#80
20210222045
2021-07-22

COMPOSITIONS AND METHODS FOR WELLBORE STRENGTHENING APPLICATIONS

#81
20210214601
2021-07-15

Method and material for isolating a severe loss zone

#82
20210189220
2021-06-24

Polymer-monodispersed nano-microspheres for deep profile control and flooding, and preparation method thereof

#83
20210172269
2021-06-10

Deploying wellbore patch for mitigating lost circulation

#84
20210163810
2021-06-03

Plasticized polyvinyl alcohol diverter materials

#85
20210140293
2021-05-13

Method for temporary isolation of well interval, method for hydraulic refracturing, and method for well killing

#86
20210139762
2021-05-13

Magnetorheological fluids and methods of using same

#87
20210130673
2021-05-06

Methods of making and using a superabsorbent polymer fluid

#88
20210122967
2021-04-29

Fluid diversion composition in well stimulation

#89
20210115760
2021-04-22

Methods for increasing wellbore strength

#90
20210115318
2021-04-22

Calcium carbonate/polymer particulate additives for use in subterranean operations

#91
20210115317
2021-04-22

Particulate profile control agent self-adaptive to size of formation pore throat and preparation method thereof

#92
20210108493
2021-04-15

Calcium carbonate / fiber additives for use in subterranean operations

#93
20210087453
2021-03-25

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

#94
20210071498
2021-03-11

RESERVOIR TREATMENTS

#95
20210071064
2021-03-11

Sphere-shaped lost circulation material (LCM) having straight protrusions

#96
20210062074
2021-03-04

Diversion using solid particulates

#97
20210024807
2021-01-28

Proppant-fiber schedule for far field diversion

#98
20210017439
2021-01-21

Hydrobically treated particulates for improved return permeability

#99
20210002537
2021-01-07

Date tree waste-based compound fibrous LCMs

#100
20200407620
2020-12-31

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

#101
20200407619
2020-12-31

Rapidly dehydrating lost circulation material (LCM)

#102
20200386081
2020-12-10

Optimized design method for temporary blocking agent to promote uniform expansion of fractures produced by fracturing in horizontal wells

#103
20200377782
2020-12-03

Loss circulation material composition having alkaline nanoparticle based dispersion and water soluble hydrolysable ester

#104
20200369943
2020-11-26

Methods of improving conformance applications

#105
20200347284
2020-11-05

Method for eliminating fluid loss during construction of oil and gas wells

#106
20200339863
2020-10-29

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

#107
20200332637
2020-10-22

Controlling wellbore pathways by manipulating the surface area to mass ratio of the diverting material

#108
20200332174
2020-10-22

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

#109
20200325749
2020-10-15

Sealing apparatus with swellable metal

#110
20200325384
2020-10-15

Re-assembling polymer particle package for conformance control and fluid loss control

#111
20200325126
2020-10-15

Heterocyclic amides useful as protein modulators

#112
20200317985
2020-10-08

Diverting agent and method of filling fracture in well using same

#113
20200263517
2020-08-20

METHOD OF REDUCING FLUID LOSS IN FORMATIONS

#114
20200239761
2020-07-30

SYSTEM AND METHOD TO CURE DOWN HOLE LOSSES BY STIMULATION OF LOST CIRCULATION MATERIAL CONCENTRATION AT LOSS ZONE

#115
20200224074
2020-07-16

Star macromolecules for wellbore applications

#116
20200208037
2020-07-02

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

#117
20200172789
2020-06-04

COMPOSITION AND METHOD FOR A SELF-SUSPENDING LOST CIRCULATION MATERIAL FLUID SYSTEM

#118
20200131420
2020-04-30

METHOD AND COMPOSITION OF MATTER FOR REDUCING LOST CIRCULATION

#119
20200102798
2020-04-02

Used automobile tires as loss circulation material

#120
20200088012
2020-03-19

Methods and apparatuses for controlling fines migration in a wellbore

#121
20200071599
2020-03-05

Particulate polyvinyl alcohol compositions having reduced dust content

#122
20200071592
2020-03-05

Diverting agents based on thermoplastic polyvinyl alcohol pellets

#123
20200063016
2020-02-27

Degradable object

#124
20200063015
2020-02-27

COMPOSITE DIVERSION PARTICLE AGGLOMERATION

#125
20200048984
2020-02-13

Nanoparticle-based shear-thickening materials

#126
20200040248
2020-02-06

Breaker Fluids for Wellbore Fluids and Methods of Use

#127
20200003040
2020-01-02

Thermally activated strong acids

#128
20200002601
2020-01-02

Methods of controlling fines migration in a well

#129
20200002592
2020-01-02

Date palm seed-based lost circulation material (LCM)

#130
20190375982
2019-12-12

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

#131
20190375974
2019-12-12

Two-component lost circulation pill for seepage to moderate loss control

#132
20190375973
2019-12-12

Date tree waste-based trinary fibrous mix for moderate to severe loss control

#133
20190367798
2019-12-05

Barrier pills containing viscoelastic surfactant and methods for using the same

#134
20190360298
2019-11-28

Reservoir treatments

#135
20190323304
2019-10-24

Downhole in-situ heat generation to remove filtercake

#136
20190323303
2019-10-24

Downhole in-situ heat generation to remove filtercake

#137
20190300776
2019-10-03

Settable compositions comprising cement kiln dust and methods of use

#138
20190300773
2019-10-03

Date tree trunk and rachis-based superfine fibrous materials for seepage loss control

#139
20190292878
2019-09-26

High strength dissolvable compositions for use in subterranean wells

#140
20190292876
2019-09-26

Resin plug for wellbore abandonment

#141
20190292861
2019-09-26

Hybrid loss prevention material (LPM) for preventive and curative loss control

#142
20190292860
2019-09-26

Hybrid loss prevention material (LPM) for preventive and curative loss control

#143
20190292435
2019-09-26

Method for sealing a void in a well using a smart gel sealant

#144
20190292434
2019-09-26

Loss circulation compositions (LCM) having Portland cement clinker

#145
20190292433
2019-09-26

Loss circulation compositions (LCM) having Portland cement clinker

#146
20190276727
2019-09-12

Loss circulation material composition having alkaline nanoparticle based dispersion and water insoluble hydrolysable polyester

#147
20190270924
2019-09-05

Date palm seed-based lost circulation material (LCM)

#148
20190264091
2019-08-29

Biologically mediated precipitation of carbonates for use in oilfield applications

#149
20190249068
2019-08-15

Colloidal nano-graphite-strengthened bulk gel system for dispersed particle gel and composition thereof

#150
20190249064
2019-08-15

Method and material for isolating a severe loss zone

#151
20190249063
2019-08-15

Method and material for isolating a severe loss zone

#152
20190249062
2019-08-15

Method and material for isolating a severe loss zone

#153
20190249061
2019-08-15

Method and material for isolating a severe loss zone

#154
20190249060
2019-08-15

COMPOSITION FOR A SOLID MATRIX USED IN CONNECTION WITH HANDLING BULK MATERIALS

#155
20190233705
2019-08-01

Date tree trunk-based fibrous loss circulation materials

#156
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

#157
20190225872
2019-07-25

Polysaccharide coated nanoparticle compositions comprising ions

#158
20190225866
2019-07-25

Coated lost circulation materials and methods of using same

#159
20190225865
2019-07-25

Loss circulation compositions (LCM) having portland cement clinker

#160
20190218871
2019-07-18

ARC perm-squeeze RDF—a permeable plug forming rapidly dehydrating fluid

#161
20190218870
2019-07-18

ARC perm-squeeze RDF—a permeable plug forming rapidly dehydrating fluid

#162
20190218869
2019-07-18

ARC perm-squeeze RDF—a permeable plug forming rapidly dehydrating fluid

#163
20190211127
2019-07-11

Coated polymer particles comprising a water-swellable polymer core and a sol-gel coating

#164
20190203106
2019-07-04

Polysaccharide coated nanoparticle compositions comprising ions

#165
20190203105
2019-07-04

Polysaccharide coated nanoparticle compositions comprising ions

#166
20190194519
2019-06-27

Date tree leaflet-based flaky lost circulation material

#167
20190185736
2019-06-20

Loss circulation compositions (LCM) having Portland cement clinker

#168
20190185732
2019-06-20

Date tree waste-based binary fibrous mix for moderate to severe loss control

#169
20190185731
2019-06-20

Date tree waste-based binary fibrous mix for moderate to severe loss control

#170
20190177604
2019-06-13

Degradable thermosetting compositions for enhanced well production

#171
20190177598
2019-06-13

Acid-soluble plug forming rapidly dehydrating loss control slurry

#172
20190177597
2019-06-13

Acid-soluble plug forming rapidly dehydrating loss control slurry

#173
20190177596
2019-06-13

Acid-soluble plug forming rapidly dehydrating loss control slurry

#174
20190177595
2019-06-13

Date seed-based multi-modal particulate admixture for moderate to severe loss control

#175
20190177594
2019-06-13

Date seed-based multi-modal particulate admixture for moderate to severe loss control

#176
20190177593
2019-06-13

Date seed-based multi-modal particulate admixture for moderate to severe loss control

#177
20190161670
2019-05-30

Fluid diversion composition in well stimulation

#178
20190153294
2019-05-23

Loss circulation compositions (LCM) having Portland cement clinker

#179
20190153293
2019-05-23

Loss circulation compositions (LCM) having portland cement clinker

#180
20190153292
2019-05-23

Loss circulation compositions (LCM) having Portland cement clinker

#181
20190145223
2019-05-16

Methods for increasing wellbore strength

#182
20190144731
2019-05-16

Loss circulation material for seepage to moderate loss control

#183
20190144730
2019-05-16

Loss circulation material for seepage to moderate loss control

#184
20190136661
2019-05-09

Methods of completing a well and apparatus therefor

#185
20190119547
2019-04-25

Fluid loss additive for water based drilling fluids with improved thermal stability

#186
20190112892
2019-04-18

Flow control in subterranean wells

#187
20190078013
2019-03-14

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

#188
20190078012
2019-03-14

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

#189
20190055456
2019-02-21

Loss circulation material composition having alkaline nanoparticle based dispersion and water soluble hydrolysable ester

#190
20190055455
2019-02-21

Loss circulation material composition having alkaline nanoparticle based dispersion and water insoluble hydrolysable polyester

#191
20190040295
2019-02-07

Wellbore servicing compositions and methods of making and using same

#192
20190024490
2019-01-24

Methods for temporary fracture isolation

#193
20190023970
2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

#194
20190023969
2019-01-24

Loss circulation compositions (LCM) having Portland cement clinker

#195
20190023968
2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

#196
20190023967
2019-01-24

Loss circulation compositions (LCM) having portland cement clinker

#197
20190002757
2019-01-03

Rheology modifier

#198
20180363440
2018-12-20

Controlling wellbore pathways by manipulating the surface area to mass ratio of the diverting material

#199
20180362829
2018-12-20

Controlling wellbore pathways by manipulating the surface area to mass ratio of the diverting material

#200
20180355692
2018-12-13

Method of producing resin composite with required thermal and mechanical properties to form a durable well seal in applications

#201
20180355237
2018-12-13

Resin composite with overloaded solids for well sealing applications

#202
20180347332
2018-12-06

Method of Enhancing Fracture Complexity Using Far-Field Divert Systems

#203
20180346787
2018-12-06

Modified biopolymers for diversion, conformance, and fluid loss control

#204
20180346785
2018-12-06

Date tree trunk and rachis-based superfine fibrous materials for seepage loss control

#205
20180340110
2018-11-29

Date tree waste-based binary fibrous mix for moderate to severe loss control

#206
20180340109
2018-11-29

Rapidly dehydrating lost circulation material (LCM)

#207
20180334607
2018-11-22

Multi-Trigger Systems for Controlling the Degradation of Degradable Materials

#208
20180334605
2018-11-22

Compositions and methods for fiber-containing grout

#209
20180320059
2018-11-08

Polysaccharide coated nanoparticle compositions comprising ions

#210
20180313199
2018-11-01

Method for refracturing a wellbore and low molecular weight compositions for use therein

#211
20180312739
2018-11-01

Synthetic polymer based fluid loss pill

#212
20180298274
2018-10-18

Oil field chemical delivery fluids, methods for their use in the targeted delivery of oil field chemicals to subterranean hydrocarbon reservoirs and methods for tracing fluid flow

#213
20180273824
2018-09-27

Modified deformed reinforcement fibers, methods of making, and uses

#214
20180265764
2018-09-20

Water shut-off method for porous formations

#215
20180258340
2018-09-13

Core-shell triggered release systems

#216
20180238161
2018-08-23

Method for hydraulic fracturing (variants)

#217
20180230355
2018-08-16

Star macromolecules for wellbore applications

#218
20180223180
2018-08-09

Wrinkled capsules for treatment of subterranean formations

#219
20180208821
2018-07-26

Sol-gel modified particulates for wellbore fluids

#220
20180202278
2018-07-19

Method of using diverter and proppant mixture

#221
20180202276
2018-07-19

Methods of improving hydraulic fracture network

#222
20180201827
2018-07-19

Well treatment operations using diverting system

#223
20180171202
2018-06-21

ARC fiber trio-date tree waste-based trinary fibrous mix for moderate to severe loss control

#224
20180171200
2018-06-21

Date tree waste-based binary fibrous mix for moderate to severe loss control

#225
20180163504
2018-06-14

Methods of completing a well and apparatus therefor

#226
20180163124
2018-06-14

SPHEROID MAGNETIC POLYMERS FOR IMPROVING HYDROCARBON RECOVERY OR DRILLING PERFORMANCE

#227
20180163120
2018-06-14

Reservoir treatments

#228
20180163116
2018-06-14

Acid-soluble plug forming rapidly dehydrating loss control slurry

#229
20180155606
2018-06-07

Methods and compositions for using temporary compacted materials as well servicing fluids in a subterranean formation

#230
20180155605
2018-06-07

Swellable glass particles for reducing fluid flow in subterranean formations

#231
20180155603
2018-06-07

Compositions and methods for fiber-containing grout

#232
20180155599
2018-06-07

Rapidly dehydrating lost circulation material (LCM)

#233
20180148994
2018-05-31

Flow control in subterranean wells

#234
20180134945
2018-05-17

Nanoparticle-based shear-thickening materials

#235
20180105736
2018-04-19

Hydrolyzable particle compositions, treatment fluids and methods

#236
20180086962
2018-03-29

Date tree leaflet-based flaky lost circulation material

#237
20180057729
2018-03-01

Date tree trunk-based fibrous loss circulation materials

#238
20180044569
2018-02-15

Compositions and methods for servicing subterranean wells

#239
20180037803
2018-02-08

METHODS OF TREATING OIL AND GAS WELL FRACTURES

#240
20180037797
2018-02-08

Wellbore sealant using nanoparticles

#241
20180023377
2018-01-25

Thermally activated strong acids

#242
20180022984
2018-01-25

Activators for inorganic oxide breakers

#243
20180016483
2018-01-18

Date seed-based multi-modal particulate admixture for moderate to severe loss control

#244
20180010030
2018-01-11

Two-component lost circulation pill for seepage to moderate loss control

#245
20170369766
2017-12-28

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

#246
20170342307
2017-11-30

Water swellable polymer as a diverter for acid stimulation treatments in high temperature environments

#247
20170342306
2017-11-30

Well treatments for diversion or zonal isolation

#248
20170328172
2017-11-16

Method of providing a barrier in a fracture-containing system

#249
20170328171
2017-11-16

Well treatment

#250
20170321102
2017-11-09

Resilient carbon-based materials as lost circulation materials and related methods

#251
20170306208
2017-10-26

Use of encapsulated polyamines for limiting fluid loss

#252
20170283684
2017-10-05

Encapsulation of hydrophilic additives

#253
20170283683
2017-10-05

Milled fibers for fracture sealing performance improvement

#254
20170275517
2017-09-28

Treatment fluids comprising finger millet and methods of use

#255
20170253789
2017-09-07

Dual-function nano-sized particles

#256
20170253788
2017-09-07

Methods of zonal isolation and treatment diversion with shaped particles

#257
20170253703
2017-09-07

Powder comprising hydrolyzable resin particles

#258
20170226407
2017-08-10

Composition comprising ultrafine cellulose fibers

#259
20170226398
2017-08-10

Composition comprising ultrafine cellulose fibers

#260
20170198191
2017-07-13

Methods of zonal isolation and treatment diversion

#261
20170190960
2017-07-06

Enhancing complex fracture networks in subterranean formations

#262
20170174974
2017-06-22

Encapsulated polymers and selective activation thereof

#263
20170167211
2017-06-15

Downhole in-situ heat generation to remove filtercake

#264
20170166805
2017-06-15

Metal-Organic Frameworks as Encapsulating Agents

#265
20170152429
2017-06-01

Dual-function nano-sized particles

#266
20170145299
2017-05-25

Metal-organic frameworks as porous proppants

#267
20170145283
2017-05-25

Expandable coating for solid particles and associated methods of use in subterranean treatments

#268
20170137690
2017-05-18

Wellbore strengthening additive and uses thereof

#269
20170137688
2017-05-18

Date palm seed-based lost circulation material (LCM)

#270
20170130116
2017-05-11

Self-pressurizing soluble alkali silicate for use in sealing subterranean spaces

#271
20170121586
2017-05-04

Polymer-based drilling fluids containing non-biodegradable materials and methods for use thereof

#272
20170114267
2017-04-27

Fluid loss control package for use in subterranean formation operations

#273
20170107788
2017-04-20

Mixing and injecting fiber-based stimulation fluids

#274
20170107784
2017-04-20

Fibrous barriers and deployment in subterranean wells

#275
20170096592
2017-04-06

ACID SOLUBLE FLAKES AS LOST CIRCULATION MATERIAL

#276
20170088762
2017-03-30

High density brine with low crystallization temperature

#277
20170073570
2017-03-16

DEVICE FOR PRESSING IN CELLULOSE FIBER NANO-DISPERSION, METHOD FOR PRESSING IN CELLULOSE FIBER NANO-DISPERSION USING SAME, AND HYDROCARBON PRODUCTION METHOD

#278
20170051599
2017-02-23

Method of enhancing fracture complexity using far-field divert systems

#279
20170029690
2017-02-02

Encapsulated activator and its use to trigger a gelling system by physical means

#280
20170029688
2017-02-02

Smart filter cake for strengthening formations

#281
20170022408
2017-01-26

Fluid loss additive for water based drilling fluids with improved thermal stability

#282
20170015895
2017-01-19

Polysaccharide coated nanoparticle compositions comprising ions

#283
20170015890
2017-01-19

Smart filtrate for strengthening formations

#284
20170009129
2017-01-12

Far-field diversion with pulsed proppant in subterranean fracturing operations

#285
20160376490
2016-12-29

Functionalized nanoparticles as crosslinking agents for sealant application

#286
20160362594
2016-12-15

Drilling fluids and methods of use

#287
20160347986
2016-12-01

Degradable Fluid Sealing Compositions Incorporating Non-Degradable Microparticulates And Methods For Use Thereof

#288
20160340570
2016-11-24

Graphene enhanced polymer composites and methods thereof

#289
20160333247
2016-11-17

Multi-modal particle size distribution lost circulation material

#290
20160298021
2016-10-13

Methods and compositions for using temporary, slow degrading, particulate agents in a subterranean formation

#291
20160298019
2016-10-13

Methods and compositions for using temporary, slow degrading, particulate agents in a subterranean formation

#292
20160289533
2016-10-06

Settable compositions comprising cement kiln dust and methods of use

#293
20160280983
2016-09-29

FLUID DIVERSION SYSTEM FOR WELL TREATMENT OPERATIONS

#294
20160237767
2016-08-18

SOLIDS IN BOREHOLD FLUIDS

#295
20160230495
2016-08-11

Swellable article

#296
20160230074
2016-08-11

METHODS OF ZONAL ISOLATION AND TREATMENT DIVERSION

#297
20160222275
2016-08-04

Wellbore fluid additives of fibrillated fibers and methods of use

#298
20160201442
2016-07-14

Leakoff mitigation treatment utilizing self degrading materials prior to re-fracture treatment

#299
20160201411
2016-07-14

Composition for borehole treatment

#300
20160194546
2016-07-07

METHODS OF FLUID LOSS CONTROL