ClassID:

104257

C09K8/035 - page 3 - 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; Well-drilling compositions; Specific additives for general use in well-drilling compositions Organic additives

Recent Application in this class:
#601
20170210970
2017-07-27

Composition of biodegradable surfactants for separating impurities in a hydrocarbon

#602
20170210966
2017-07-27

Clay stabilizing and methods of use with quaternary ammonium salts

#603
20170210965
2017-07-27

Polymer brushes in diverting agents for use in subterranean formations

#604
20170204321
2017-07-20

Nanoparticle kinetic gas hydrate inhibitors

#605
20170204318
2017-07-20

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

#606
20170204317
2017-07-20

Antifreeze proteins for use in downhole fluids

#607
20170204316
2017-07-20

CONTROLLED BREAK ENZYME FORMULATIONS

#608
20170204210
2017-07-20

Water-soluble hydroxyalkyl polymer obtained by a method of inverse suspension or inverse emulsion polymerisation

#609
20170199296
2017-07-13

Methods of logging

#610
20170198192
2017-07-13

Breaker fluids and methods of use thereof

#611
20170198189
2017-07-13

Crosslinked synthetic polymer-based reservoir drilling fluid

#612
20170191008
2017-07-06

Microemulsions and their use in metal working fluids, wood stains, or wood sealers

#613
20170190962
2017-07-06

Plant extracted oil based polyepoxy resin composition for improved performance of natural sand placed in fracture

#614
20170190954
2017-07-06

Polymeric ionic liquid clay control agents

#615
20170190952
2017-07-06

Multiple hydrophilic head corrosion inhibitors

#616
20170190948
2017-07-06

Use of particulate or fibrous materials in gravel pack applications

#617
20170183561
2017-06-29

Well treatment fluids comprising cross-linkable polysaccharides

#618
20170183560
2017-06-29

Guanidine- or guanidinium-containing compounds for treatment of subterranean formations

#619
20170183554
2017-06-29

PROCESSES FOR PRODUCING HIGH-VISCOSITY COMPOUNDS AS RHEOLOGY MODIFIERS, AND COMPOSITIONS PRODUCED THEREFROM

#620
20170174982
2017-06-22

Temperature-triggered viscosifier for treatment of a subterranean formation

#621
20170174974
2017-06-22

Encapsulated polymers and selective activation thereof

#622
20170174972
2017-06-22

Lubrication for drilling fluid

#623
20170174971
2017-06-22

Additive for slurry, drilling mud, and cement slurry

#624
20170167211
2017-06-15

Downhole in-situ heat generation to remove filtercake

#625
20170166801
2017-06-15

Solvent systems having a high flash point and methods of use thereof

#626
20170166795
2017-06-15

Lost-circulation materials of two different types of fibers

#627
20170166794
2017-06-15

FILTER CONTROL HPHT ADDITIVE FOR OIL-BASED DRILLING FLUIDS WITH PETROLEUM COKE

#628
20170158949
2017-06-08

Well-treatment fluids composition

#629
20170158939
2017-06-08

POLYMER DELIVERY IN WELL TREATMENT APPLICATIONS

#630
20170158619
2017-06-08

Thickening stabilizer and thickening stabilization composition using same

#631
20170145285
2017-05-25

Fluids containing cellulose fibers and cellulose nanoparticles for oilfield applications

#632
20170145283
2017-05-25

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

#633
20170145282
2017-05-25

Clay stabilizers

#634
20170145281
2017-05-25

Thinner for oil-based drilling fluids

#635
20170137790
2017-05-18

ENZYMES FOR REMOVING SULFUROUS COMPOUNDS IN DOWNHOLE FLUIDS

#636
20170137693
2017-05-18

Electrically activated adhesive for strengthening of a subterranean wellbore

#637
20170137692
2017-05-18

Anti-accretion additives for wellbore fluids and methods of use thereof

#638
20170137691
2017-05-18

Environmentally Friendly Lubricant for Drilling Purposes

#639
20170137690
2017-05-18

Wellbore strengthening additive and uses thereof

#640
20170137689
2017-05-18

Environmentally friendly lubricant for drilling processes

#641
20170137688
2017-05-18

Date palm seed-based lost circulation material (LCM)

#642
20170130122
2017-05-11

Treatment fluids for use in removing acid-soluble materials in subterranean formations

#643
20170130118
2017-05-11

Traceable polymeric additives for use in subterranean formations

#644
20170130117
2017-05-11

Traceable polymeric additives for use in subterranean formations

#645
20170121590
2017-05-04

Friction-reducing compositions formulated with highly concentrated brine

#646
20170121589
2017-05-04

Composition of a degradable diverting agent and a degradable accelerator with tunable degradable rate

#647
20170121584
2017-05-04

Sulfide stress cracking inhibitors

#648
20170114266
2017-04-27

Rare earth-containing compounds to enhance performance of downhole treatment compositions

#649
20170114265
2017-04-27

WATER-BASED DRILLING FLUID FOR REDUCING BITUMEN ACCRETION

#650
20170114264
2017-04-27

Associated copolymer and preparation method thereof, and drilling fluid

#651
20170107787
2017-04-20

MICROWAVE INDUCED CURING OF NANOMATERIALS FOR GEOLOGICAL FORMATION REINFORCEMENT

#652
20170107418
2017-04-20

High density and high temperature emulsifier for use in an oil based drilling fluid system

#653
20170107417
2017-04-20

Lubricant Compositions and Methods of Making and Using Same

#654
20170101578
2017-04-13

Low-toxicity, low-flammability, environmentally-safe, friction reducer fluid for hydraulic fracturing

#655
20170101575
2017-04-13

Consolidating composition including glycerol with two epoxides for treatment of subterranean formations

#656
20170101572
2017-04-13

DEGRADATION AGENT ENCAPSULATION

#657
20170096597
2017-04-06

FRICTION REDUCTION ENHANCEMENT

#658
20170096595
2017-04-06

Decreasing foulant deposition on at least one surface by contacting the surface(s) with at least one protein

#659
20170096592
2017-04-06

ACID SOLUBLE FLAKES AS LOST CIRCULATION MATERIAL

#660
20170096526
2017-04-06

Process for the production of polyoxymethylene block copolymers

#661
20170088770
2017-03-30

Friction reducers and well treatment fluids

#662
20170088769
2017-03-30

AQUEOUS GUAR COMPOSITIONS FOR USE IN OIL FIELD AND SLICKWATER APPLICATIONS

#663
20170088763
2017-03-30

INTERNAL BREAKER COMPOSITIONS FOR WELLBORE APPLICATIONS

#664
20170081582
2017-03-23

Amido-amine based cationic gemini surfactants for clay inhibition

#665
20170073569
2017-03-16

Maleic anhydride polymers and methods of treating subterranean formations

#666
20170073564
2017-03-16

Methods and compositions for use in oil and/or gas wells

#667
20170073555
2017-03-16

Pendant epoxide polymers and methods of treating subterranean formations

#668
20170066961
2017-03-09

Method of breaking metal-crosslinked polymers

#669
20170066957
2017-03-09

Non-reducing stabilization complexant for acidizing compositions and associated methods

#670
20170058188
2017-03-02

Method of improving mobility of heavy crude oils in subterranean reservoirs

#671
20170058182
2017-03-02

Method of treating water-swellable minerals in a subterranean formation with a stabilizing compound with a cationic group and hydrophobic portion

#672
20170051196
2017-02-23

Viscosifiers and filtration control agents for use in high temperature subterranean operations

#673
20170051195
2017-02-23

Surfactant Compositions

#674
20170044419
2017-02-16

Methods And Compositions For Suspending Components In Oils Without Suspending Agents

#675
20170044418
2017-02-16

HIGH TEMPERATURE STABILIZER FOR POLYMER-BASED TREATMENT FLUIDS

#676
20170044346
2017-02-16

PROCESS FOR MAKING PELLET PRODUCT FOR USE IN SOIL NEUTRALIZATION AND OTHER APPLICATIONS

#677
20170037301
2017-02-09

Polymeric surfactant containing a protein head group and lipid tail group

#678
20170029688
2017-02-02

Smart filter cake for strengthening formations

#679
20170029330
2017-02-02

Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications

#680
20170022408
2017-01-26

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

#681
20170015899
2017-01-19

CONTROLLING SOLID SUSPENSION IN FLUIDS

#682
20170015898
2017-01-19

Environmentally preferable microemulsion composition

#683
20170015890
2017-01-19

Smart filtrate for strengthening formations

#684
20170015887
2017-01-19

SMART LCM FOR STRENGTHENING EARTHEN FORMATIONS

#685
20170015806
2017-01-19

Polylactic acid composition

#686
20170009130
2017-01-12

Imidazolinium compounds as dual corrosion inhibitors

#687
20170009124
2017-01-12

Stabilizing formation laminae in coal seam wellbores

#688
20170009121
2017-01-12

Composition and use therof, oil-based drilling fluid and a method for raising shearing force of oil-based drilling fluid

#689
20170002259
2017-01-05

Microbial viscosity breaker compositions

#690
20170002256
2017-01-05

Chitin nanocrystal containing wellbore fluids

#691
20170002255
2017-01-05

Methods and compositions for in-situ polymerization reaction to improve shale inhibition

#692
20170002254
2017-01-05

Lubricant Compositions and Methods of Making and Using Same

#693
20170002253
2017-01-05

Lubricant compositions containing phosphates and/or phosphites and methods of making and using same

#694
20170002252
2017-01-05

Lubricant Compositions and Methods of Making and Using Same

#695
20170002251
2017-01-05

Glycerol Carbamate Based Lubricant Compositions and Methods of Making and Using Same

#696
20170002250
2017-01-05

Lubricant compositions comprising diol functional groups and methods of making and using same

#697
20170002135
2017-01-05

POLYOXALATES AND A PROCESS FOR THE PRODUCTION THEREOF

#698
20170000130
2017-01-05

Method for treating mineral slurries with a biocide

#699
20170000129
2017-01-05

Method for treating water used in oil field applications to inhibit bacterial growth with methylammonium monomethyldithiocarbamate

#700
20160376881
2016-12-29

Well treatment methods and fluids with GLDA salt

#701
20160376489
2016-12-29

LUBRICANT FOR HIGH pH WATER BASED MUD SYSTEM

#702
20160376488
2016-12-29

Drilling fluids with crosslinked sulfonate-containing polymers dispersed in high density brines

#703
20160369160
2016-12-22

Deactivation and activation of permeability modifiers for use in subterranean formation operations

#704
20160369064
2016-12-22

Dendritic polymer, dendritic polymer monomer, and hyperbranched copolymer

#705
20160362593
2016-12-15

Styrenic block copolymers as thermally-activated viscosifiers for oilfield applications

#706
20160362502
2016-12-15

Phosphonated polysaccharides and gels and process for making same

#707
20160362335
2016-12-15

Method to reduce the water loss in slurries or solutions used in oil field and gas field operations

#708
20160355722
2016-12-08

Composition including viscosifier polymer and polyamine viscosity modifier for treatment of subterranean formations

#709
20160355721
2016-12-08

Dry drilling fluid additives and methods relating thereto

#710
20160355629
2016-12-08

Asphaltene dispersant and methods of use thereof

#711
20160347983
2016-12-01

Clay stabilization with control of migration of clays and fines

#712
20160339624
2016-11-24

Equipment and Methods for Preparing Curved Fibers

#713
20160333261
2016-11-17

Enhanced subterranean treatment fluids in ionic water or seawater

#714
20160333247
2016-11-17

Multi-modal particle size distribution lost circulation material

#715
20160331006
2016-11-17

Synthetic base and associated methods

#716
20160326425
2016-11-10

Wellbore servicing materials and methods of making and using same

#717
20160326422
2016-11-10

Purification of organically modified surface active minerals by air classification

#718
20160319180
2016-11-03

Self-crosslinking polymers and platelets for wellbore strengthening

#719
20160319179
2016-11-03

Self-crosslinking polymers for wellbore strengthening

#720
20160319178
2016-11-03

Secondary esters, methods of making, and uses thereof

#721
20160319177
2016-11-03

Dispersion solution for drilling and method of extraction using the dispersion solution

#722
20160312101
2016-10-27

Pyromellitamide gelling agents

#723
20160312100
2016-10-27

Preparation and use of drilling fluids with date seed powder fluid loss additive

#724
20160312099
2016-10-27

Method of Enhancing Hydration of Viscosifiers Using Controlled Mechanically Induced Cavitation

#725
20160312098
2016-10-27

Methods and compositions to use shape changing polymers in subterranean formations

#726
20160304773
2016-10-20

Wellbore servicing methods and compositions comprising degradable polymers

#727
20160304769
2016-10-20

Terpolymer compositions

#728
20160304763
2016-10-20

Wellbore service fluid

#729
20160298021
2016-10-13

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

#730
20160298019
2016-10-13

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

#731
20160289559
2016-10-06

Compositions and methods for the stabilization of clay containing soils

#732
20160289551
2016-10-06

Silane compositions for use in subterranean formation operations

#733
20160289549
2016-10-06

Fracturing fluids and methods of treating hydrocarbon formations

#734
20160289547
2016-10-06

Methods of using superabsorbent polymers for fracturing and sand control applications

#735
20160289546
2016-10-06

Polysaccharides and metal complexes for viscosity

#736
20160289541
2016-10-06

Use of superabsorbent polymers for pressure control and diversion applications

#737
20160289537
2016-10-06

Sulfide-containing corrosion inhibitors

#738
20160289530
2016-10-06

Drilling fluids with leakoff control and drill cuttings removal sweeps

#739
20160289529
2016-10-06

LUBRICANT ADDITIVES FOR WELL-BORE OR SUBTERRANEAN DRILLING FLUIDS OR MUDS

#740
20160289528
2016-10-06

PROTEIN-BASED FIBROUS BRIDGING MATERIAL AND PROCESS AND SYSTEM FOR TREATING A WELLBORE

#741
20160289527
2016-10-06

CONTROL OF SUSTAINED CASING PRESSURE IN WELLBORE ANNULI

#742
20160289526
2016-10-06

TREATMENT OF SUBTERRANEAN FORMATIONS WITH COMPOSITIONS INCLUDING POLYETHER-FUNCTIONALIZED POLYSILOXANES

#743
20160289525
2016-10-06

Reaction products of acrylamide polymers and methods for use thereof as relative permeability modifiers

#744
20160272881
2016-09-22

Viscosity enhancer

#745
20160272878
2016-09-22

Treatment of siliceous materials using catechol and amines in subterranean applications

#746
20160272875
2016-09-22

Amido-functionalized gemini surfactant for fluid control in subterranean formations

#747
20160272872
2016-09-22

Consolidating composition for treatment of a subterranean formation

#748
20160272868
2016-09-22

High-temperature high-pressure (HTHP) stable synthetic polymer for water based oil-well servicing fluids

#749
20160272867
2016-09-22

Sulfide stress cracking inhibitors

#750
20160264858
2016-09-15

Particulate aggregating and surface modification with improved hydrocarbon fluid flow through the aggregated particulates and over solid surface reagents and methods for making and using same

#751
20160264857
2016-09-15

Particulate aggregating and surface modification with improved hydrocarbon fluid flow through the aggregated particulates and over solid surface reagents and methods for making and using same

#752
20160264845
2016-09-15

Particulate aggregating and surface modification with improved hydrocarbon fluid flow through the aggregated particulates and over solid surface reagents and methods for making and using same

#753
20160264844
2016-09-15

Urea hydrochloride compositions

#754
20160264836
2016-09-15

Oil and gas treatment composition comprising hydroxyethyl cellulose and crosslinked polyvinylpyrrolidone

#755
20160264835
2016-09-15

VISCOSIFIER FOR TREATMENT OF A SUBTERRANEAN FORMATION

#756
20160264834
2016-09-15

CONTROLLING DEGRADATION RATES OF DIVERTING AGENTS

#757
20160264833
2016-09-15

Copolymer surfactants for use in downhole fluids

#758
20160257869
2016-09-08

Fiber suspending agent for lost-circulation materials

#759
20160251569
2016-09-01

Constraining pyrite activity in shale

#760
20160251561
2016-09-01

Process for the production of nanoparticles and compositions

#761
20160251560
2016-09-01

Water-soluble linear polyphosphazenes in water-based fluids for use in wells or pipelines

#762
20160244660
2016-08-25

Treatment fluids containing a hydrophobically modified chelating agent and methods for use thereof

#763
20160244654
2016-08-25

SOLIDS IN BOREHOLE FLUIDS

#764
20160237767
2016-08-18

SOLIDS IN BOREHOLD FLUIDS

#765
20160237334
2016-08-18

Method of using biosurfactants as acid corrosion inhibitors in well treatment operations

#766
20160230076
2016-08-11

Freeze/thaw stable latex emulsion for treatment of well bore tar

#767
20160230069
2016-08-11

Environmental friendly well treatment fluids comprising an ester

#768
20160230068
2016-08-11

ANIONIC POLYSACCHARIDE POLYMERS FOR VISCOSIFIED FLUIDS

#769
20160230067
2016-08-11

Methods and materials to enhance high temperature rheology in invert emulsions

#770
20160230066
2016-08-11

Compositions for treating subterranean formations

#771
20160230065
2016-08-11

Dual-purpose viscosifier and surface active additives and methods of use

#772
20160230064
2016-08-11

Surface treated lost circulation material

#773
20160230063
2016-08-11

BIONIC SHALE INHIBITOR AND PREPARATION METHOD THEREOF AND DRILLING FLUID

#774
20160230062
2016-08-11

Methods and systems for sequestering carbon dioxide in a subterranean formation

#775
20160229938
2016-08-11

Amphiphilic reservoir protecting agent and preparation method thereof and drilling fluid

#776
20160229936
2016-08-11

Vinyl alcohol polymer and production method thereof, additive for drilling mud, drilling mud, additive for drilling cement slurry, and drilling cement slurry

#777
20160229797
2016-08-11

Low pH metal-free preparation of aminated organic acid

#778
20160229722
2016-08-11

Synthetic acid and associated methods

#779
20160222277
2016-08-04

Use of anti-agglomerants in high gas to oil ratio formations

#780
20160222275
2016-08-04

Wellbore fluid additives of fibrillated fibers and methods of use

#781
20160222274
2016-08-04

ADDITIVES FOR CONTROLLING LOST CIRCULATION AND METHODS OF MAKING AND USING SAME

#782
20160215198
2016-07-28

Multiple hydrophilic head corrosion inhibitors

#783
20160214896
2016-07-28

Block polymers for fluid loss control

#784
20160208158
2016-07-21

AMINE-BASED SHALE INHIBITOR AND METHODS FOR DRILLING, FRACTURING, AND WELL TREATMENT

#785
20160201443
2016-07-14

Treating a subterranean formation with a composition having multiple curing stages

#786
20160201411
2016-07-14

Composition for borehole treatment

#787
20160200964
2016-07-14

Crude oil recovery additive

#788
20160200958
2016-07-14

Additive for drilling mud

#789
20160200848
2016-07-14

Cationic copolymer and use thereof in lost circulation additive

#790
20160194549
2016-07-07

Method for recovery of gaseous hydrocarbons and/or liquid hydrocarbons from underground

#791
20160186045
2016-06-30

Composition including functionalized polysaccharide for treatment of subterranean formations

#792
20160186033
2016-06-30

Quaternary ammonium compounds and gas hydrate inhibitor compositions

#793
20160186032
2016-06-30

DRILLING FLUID COMPOSITION AND METHOD USEFUL FOR REDUCING ACCRETION OF BITUMIN ON DRILL COMPONENTS

#794
20160177163
2016-06-23

Organic-inorganic hybrid polymer based fluids

#795
20160177162
2016-06-23

Compositions providing consolidation and water-control

#796
20160160610
2016-06-09

Removing cured resins from subterranean formations and completions

#797
20160160117
2016-06-09

Treatment fluids containing polysaccharides with friction reducing grafts thereon

#798
20160160108
2016-06-09

Solids-free diverting agents and methods related thereto

#799
20160160106
2016-06-09

Wellbore treatment fluids containing nano-carbohydrate based sheets and methods of using the same

#800
20160160105
2016-06-09

Enzymes for removing sulfurous compounds in downhole fluids

#801
20160158917
2016-06-09

Wood-based abrasive blasting media

#802
20160152881
2016-06-02

Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications

#803
20160145482
2016-05-26

COMPOSITIONS FOR TREATING SUBTERRANEAN FORMATIONS

#804
20160137905
2016-05-19

COMPOSITION FOR FINES AGGLOMERATION

#805
20160122625
2016-05-05

Hydrolyzable compounds for treatment of a subterranean formation and methods of using the same

#806
20160122613
2016-05-05

Drilling fluid composition including viscosifier and method of using the same

#807
20160122612
2016-05-05

Non-toxic, inexpensive, low viscosity mineral oil based drilling fluid

#808
20160115371
2016-04-28

Low molecular weight polyacrylates for EOR

#809
20160115364
2016-04-28

Wellbore servicing compositions and methods of making and using same

#810
20160108327
2016-04-21

Chemical inhibitors with sub-micron materials as additives for enhanced flow assurance

#811
20160108305
2016-04-21

Curable, resealable, swellable, reactive sealant composition for zonal isolation and well integrity

#812
20160108304
2016-04-21

Method for producing drilling fluid from biomass-derived oils

#813
20160108303
2016-04-21

Viscoelastic surfactants in mixed brines

#814
20160102539
2016-04-14

Clay inhibitors for drilling, fracturing, and other procedures

#815
20160102244
2016-04-14

Degradable fiber for use in well treatment fluid, method for manufacturing same, and well treatment method

#816
20160102240
2016-04-14

Multi-tail hydrate inhibitors

#817
20160102236
2016-04-14

Hydrophobically and hydrophilically modified polysaccharides and methods of using the same for treatment of a subterranean formation

#818
20160101115
2016-04-14

Methods of treating erectile dysfunction

#819
20160090526
2016-03-31

Multifunctional boronic crosslinkers as dual viscosification and friction reducing agents

#820
20160083639
2016-03-24

Multi-functional surfactant complexes for use in subterranean formations

#821
20160075931
2016-03-17

Drilling oil and method of preparing the same

#822
20160053165
2016-02-25

Mucilage comprising treatment fluids for subterranean formation operations

#823
20160053160
2016-02-25

Methods for enhancing propped fracture conductivity

#824
20160053157
2016-02-25

Curable cross-linkable compositions for use as lost circulation material

#825
20160053156
2016-02-25

Method for preparation of biomimetic polymer for stabilizing wellbore and drilling fluid

#826
20160040055
2016-02-11

Compositions for treating subterranean formations

#827
20160032168
2016-02-04

Viscosifier for oil well fluids

#828
20160029634
2016-02-04

Microbiocides and uses thereof

#829
20160024371
2016-01-28

Resin composition for treatment of a subterranean formation

#830
20160024367
2016-01-28

Ethylene viscosifier polymer for treatment of a subterranean formation

#831
20160017210
2016-01-21

Synergistic effect of cosurfactants on the rheological performance of drilling, completion and fracturing fluids

#832
20160009977
2016-01-14

DELAYED ENHANCEMENT OR BREAKING OF VISCOSITY FOR VISCOELASTIC SURFACTANT CONTAINING WELLBORE FLUIDS

#833
20160003018
2016-01-07

Methods and compositions for use in oil and/or gas wells comprising a terpene alcohol

#834
20150368544
2015-12-24

METHODS OF INHIBITING SALT PRECIPITATION AND CORROSION

#835
20150368540
2015-12-24

DRILLING FLUID ADDITIVES AND FRACTURING FLUID ADDITIVES CONTAINING CELLULOSE NANOFIBERS AND/OR NANOCRYSTALS

#836
20150368537
2015-12-24

Method of preparing drilling fluid and lube base oil using biomass-derived fatty acid

#837
20150361323
2015-12-17

Treatment fluids for reducing subterranean formation damage

#838
20150361321
2015-12-17

Gellable treatment fluids comprising quaternary ammonium salt gel-time modifiers and methods for use thereof

#839
20150354323
2015-12-10

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

#840
20150344767
2015-12-03

Shale swelling inhibitors

#841
20150329767
2015-11-19

Methods and compositions for use in oil and/or gas wells

#842
20150329766
2015-11-19

Method of contacting hydrocarbon-bearing formations with fluorinated ionic polymers

#843
20150322325
2015-11-12

Ecofriendly lubricating additives for water-based wellbore drilling fluids

#844
20150322324
2015-11-12

Drilling fluid and process of making the same

#845
20150315907
2015-11-05

Tracers for the study of an oil reservoir in high salinity and high temperature conditions

#846
20150315452
2015-11-05

Methods of making monoester-based drilling fluids

#847
20150307766
2015-10-29

CURABLE CROSS-LINKABLE COMPOSITION FOR USE AS LOST CIRCULATION MATERIAL

#848
20150299556
2015-10-22

Method of using sophorolipids or mannosylerythritol lipids as acid corrosion inhibitors in well treatment operations

#849
20150291873
2015-10-15

Thermoset nanocomposite particles, processing for thier production, and their use in oil and natural gas drilling applications

#850
20150291871
2015-10-15

Antifreeze proteins for use in downhole fluids

#851
20150284622
2015-10-08

Gellable treatment fluids comprising amino group gel-time modifiers

#852
20150275251
2015-10-01

Methods of biosynthesizing bacterial extracellular galactomannan polysaccharides and subunits thereof for use in subterranean formation operations

#853
20150267105
2015-09-24

ANIONIC POLYSACCHARIDE POLYMERS FOR VISCOSIFIED FLUIDS

#854
20150240143
2015-08-27

Biomimetic polymer for stabilizing wellbore and method for preparation of the same and drilling fluid

#855
20150240047
2015-08-27

Method for producing a master mixture based on carbonaceous nanofillers and superplasticiser, and the use thereof in hardenable inorganic systems

#856
20150232703
2015-08-20

PROCESSES FOR PRODUCING LIGNIN-COATED HYDROPHOBIC CELLULOSE, AND COMPOSITIONS AND PRODUCTS PRODUCED THEREFROM

#857
20150225637
2015-08-13

Wellbore fluids and method of use

#858
20150218438
2015-08-06

Dual-mechanism thickening agents for hydraulic fracturing fluids

#859
20150218432
2015-08-06

Heat removal in drilling and production operations

#860
20150211345
2015-07-30

Methods and systems for stimulating a subterranean formation containing a carbonate mineral

#861
20150203741
2015-07-23

Natural oil-derived wellbore compositions and methods of use

#862
20150203736
2015-07-23

Comb polymer, method of preparing the same, and use thereof

#863
20150203598
2015-07-23

Alternan polysaccharide that is functionalized with nitrogen groups that can be protonated, or with permanently positively charged nitrogen groups

#864
20150198010
2015-07-16

Method of enhancing stability of cement slurries in well cementing operations

#865
20150183911
2015-07-02

Amphiphilic macromolecule and the purpose of this amphiphilic macromolecule

#866
20150166875
2015-06-18

HYDRATABLE POLYMER SYSTEM BASED ON A CHIA DERIVED GELLING AGENT AND METHODS FOR MAKING AND USING SAME

#867
20150166872
2015-06-18

Methods for treating a well bore within an underground formation

#868
20150166866
2015-06-18

Dissipative surfactant aqueous-based drilling system for use in hydrocarbon recovery operations from heavy oil and tar sands

#869
20150166377
2015-06-18

Cationic vinyl imidazolium-based copolymer for separating an oil-in-water emulsion

#870
20150159070
2015-06-11

Drilling fluid additive

#871
20150151264
2015-06-04

Microemulsions and uses thereof as nanoreactors or delivery vehicles

#872
20150141300
2015-05-21

Fluorous additives for use in a fluorous-based treatment fluid

#873
20150133346
2015-05-14

Filtrate control agents in solid form

#874
20150111799
2015-04-23

Application of a chemical composition for viscosity modification of heavy and extra-heavy crude oils

#875
20150107844
2015-04-23

Stimulation method using biodegradable zirconium crosslinker

#876
20150087560
2015-03-26

Polyglycolic acid resin short fibers for use in well treatment fluid

#877
20150080273
2015-03-19

Foam control formulations

#878
20150065400
2015-03-05

Composition of biodegradable surfactants for separating impurities in a hydrocarbon

#879
20150057195
2015-02-26

Low-toxicity, low-flammability, environmentally-safe, friction reducer fluid for hydraulic fracturing

#880
20150045260
2015-02-12

Thermal insulating fluids

#881
20150041138
2015-02-12

Agent for inhibiting the swelling of clays, compositions comprising said agent and methods implementing said agent

#882
20150041131
2015-02-12

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

#883
20150027702
2015-01-29

Methods of treatment of a subterranean formation with polymeric structures formed in situ

#884
20150021027
2015-01-22

Wellbore fluid

#885
20150015884
2015-01-15

Methods for assaying polymers using an integrated computational element

#886
20150013988
2015-01-15

Mitigating annular pressure buildup using temperature-activated polymeric particulates

#887
20150011439
2015-01-08

Thermoset nanocomposite particles, processing for their production, and their use in oil and natural gas drilling applications

#888
20150008044
2015-01-08

Lost circulation drilling fluids comprising elastomeric rubber particles and a method for decreasing whole mud loss using such composition

#889
20150005206
2015-01-01

High-temperature crosslinked polymer for use in a well

#890
20150005204
2015-01-01

Methods of using downhole compositions including an ion-sequestering compound

#891
20140377013
2014-12-25

USE OF POLYAMINE AS ANTI-STICKING ADDITIVE

#892
20140367108
2014-12-18

Acidizing compositions including ampholyte polymers

#893
20140364511
2014-12-11

Surfactant responsive micro-gels

#894
20140353043
2014-12-04

Method of conversion of a drilling mud to a gel-based lost circulation material to combat lost circulation during continuous drilling

#895
20140352969
2014-12-04

Ampholyte polymers and methods of treating subterranean formations with the same

#896
20140352962
2014-12-04

Ampholyte polymeric compounds in subterranean applications

#897
20140352960
2014-12-04

Ampholyte polymeric compounds in subterranean applications

#898
20140350204
2014-11-27

Amphiphilic macromolecule and the purpose of this amphiphilic macromolecule

#899
20140349897
2014-11-27

Treatment fluids with non-oxidizer class inorganic peroxide polymer breakers and methods of use thereof

#900
20140348887
2014-11-27

Surfactant responsive emulsion polymerized micro-gels