ClassID:

135386

E21B21/062 - CPC Classification

Classification description:

Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor; Arrangements for treating drilling fluids outside the borehole by mixing components

Recent Application in this class:
#1
20260098205
2026-04-09

BIOMASS SLURRY PREPARATION FOR SUBTERRANEAN INJECTION

#2
20260055677
2026-02-26

Method of Preparing Drilling Mud Through Integrating Ultrasonic Mixing and Venturi Technology

#3
20260054982
2026-02-26

SYSTEMS AND METHODS FOR PRODUCTION OF LOW CARBON INTENSITY HYDROGEN FROM GEOLOGIC SOURCES

#4
20260043302
2026-02-12

Automated Fluid System

#5
20250369294
2025-12-04

SYSTEM AND METHOD FOR RESPONSIVELY INJECTING CHEMISTRIES DIRECTLY INTO A DOWNHOLE SLURRY

#6
20250354454
2025-11-20

METHODOLOGY AND SYSTEM FOR UTILIZING RIG POWER AND MUD PUMP ASSEMBLY

#7
20250341140
2025-11-06

Automated Drilling-Fluid Additive System and Method

#8
20250327389
2025-10-23

WATER/GAS RATIO REDUCER COMPOUNDS

#9
20250326964
2025-10-23

CLAY SWELLING INHIBITORS

#10
20250314166
2025-10-09

METHODS OF SWABBING LIQUID LOADED WELLS, AND KILLING WELLS, WITH THE USE OF COMPRESSION PUMPS, REGULATORS AND FILTRATION TECHNIQUES

#11
20250314142
2025-10-09

MOBILE SAND SLURRY DELIVERY SYSTEM

#12
20250304850
2025-10-02

METHOD OF REMOVING HYDROGEN SULFIDE FROM A SUBTERRANEAN GEOLOGICAL FORMATION WITH A ZEOLITIC IMIDAZOLATE FRAMEWORK IN WASTE COOKING OIL-BASED DRILLING FLUIDS

#13
20250270886
2025-08-28

OPENHOLE LOGGING TOOL INTEGRATING WELLBORE FLUIDS TREATMENT SYSTEM AND METHOD OF USE

#14
20250257255
2025-08-14

DUAL FUNCTION ADDITIVE FOR WATER BASED DRILLING FLUIDS

#15
20250243720
2025-07-31

Lost Circulation Material Comprising Reclaimed Fiberglass Wind Turbine Blades

#16
20250154838
2025-05-15

IMPROVED PROCESS AND DEVICE FOR MAKING AQUEOUS WELLBORE TREATING FLUIDS

#17
20250116274
2025-04-10

HIGH EFFICIENCY DRILLING FLUID SHEARING PUMP USING STAGED TESLA TURBINE

#18
20250034959
2025-01-30

APPARATUSES AND SYSTEMS FOR IN-LINE WATER ANALYSIS, DOWNHOLE FLUID OPTIMIZATION, AND METHODS FOR MAKING AND USING SAME

#19
20250027375
2025-01-23

METHOD FOR MITIGATING BARITE SAG IN WATER-BASED MUD WITH THERMOCHEMICAL FLUID

#20
20240309727
2024-09-19

METHODOLOGY AND SYSTEM FOR UTILIZING RIG MUD PUMP ASSEMBLY

#21
20240309715
2024-09-19

METHODOLOGY AND SYSTEM FOR UTILIZING RIG POWER AND MUD PUMP ASSEMBLY

#22
20240247179
2024-07-25

Curing lost circulation of water-based drilling muds

#23
20240199939
2024-06-20

WATER-SOLUBLE ASSOCIATIVE AMPHOTERIC POLYMER AS A RHEOLOGY MODIFIER FOR SUBTERRANEAN TREATMENTS

#24
20240175327
2024-05-30

SHEAR INDUCER, SYSTEM, AND METHOD

#25
20240167347
2024-05-23

Method and system for drilling fluid monitoring

#26
20240141737
2024-05-02

DEVICES, SYSTEMS, AND METHODS FOR DRILLING FLUID MANAGEMENT

#27
20240118213
2024-04-11

MEASURING DRILLING FLUID SALINITY WITH SMART POLYMERS

#28
20240117690
2024-04-11

DRILLING RETURN FLOWLINE CONTINUOUS AGITATION FLOCCULANT METERING DISPENSER

#29
20240084686
2024-03-14

Mixing and Discharging Device, Mixing and Discharging System and Fracturing System

#30
20240068355
2024-02-29

SYSTEMS AND METHODS FOR WELLBORE DRILLING UTILIZING A THERMOCHEMICAL SULFATE REDUCTION (TSR) PROXY

#31
20240043738
2024-02-08

ADDITIVES AND METHODS, COMPOSITIONS AND USES RELATING THERETO

#32
20240018836
2024-01-18

AUTOMATED DRILLING-FLUID ADDITIVE SYSTEM AND METHOD

#33
20240011383
2024-01-11

Apparatus and method of disbursing materials into a wellbore

#34
20230357624
2023-11-09

CONDITIONING DRILLING FLUID

#35
20230340843
2023-10-26

HYBRID PHYSICS-AI METHOD FOR ACCURATE AND FAST MUD-WEIGHT WINDOW CALCULATIONS

#36
20230287745
2023-09-14

Methods of manufacturing lost circulation material at a well site

#37
20230272674
2023-08-31

GROUND DRILLING DEVICE

#38
20230266500
2023-08-24

GEOMECHANICS AND WELLBORE STABILITY MODELING USING DRILLING DYNAMICS DATA

#39
20230265726
2023-08-24

Method of application of low salinity viscous fluid in drilling saline formations

#40
20230228730
2023-07-20

Drilling mud management system and method

#41
20230228161
2023-07-20

Electric power distribution for fracturing operation

#42
20230203900
2023-06-29

Automated drilling-fluid additive system and method

#43
20230184992
2023-06-15

INTEGRATION OF A FINITE ELEMENT GEOMECHANICS MODEL AND CUTTINGS RETURN IMAGE PROCESSING TECHNIQUES

#44
20230175372
2023-06-08

Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations

#45
20230175328
2023-06-08

Drill string solids deployment

#46
20230166224
2023-06-01

Hydraulic mud shearing system

#47
20230160290
2023-05-25

Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations

#48
20230149869
2023-05-18

Optimizing drilling mud shearing

#49
20230149868
2023-05-18

OPTIMIZING DRILLING MUD SHEARING

#50
20230149867
2023-05-18

Optimizing Drilling Mud Shearing

#51
20230078376
2023-03-16

MANAGED PRESSURE DRILLING WITH NOVEL NONCOMPRESSIBLE LIGHT WEIGHT FLUID

#52
20230072992
2023-03-09

Chemical compositions and methods of using same for remediating sulfur-containing compositions and other contaminants encountered in drilling wells

#53
20230035652
2023-02-02

CONTAINERIZED SYSTEM FOR MIXING DRY ADDITIVES WITH BULK MATERIAL

#54
20230031169
2023-02-02

Dry product additive unit

#55
20230029671
2023-02-02

Mixing and discharging device, mixing and discharging system and fracturing system

#56
20230024323
2023-01-26

Independent control for simultaneous fracturing of multiple wellbores

#57
20230017475
2023-01-19

Mud tank with safety interlock

#58
20230002664
2023-01-05

Compositions and methods for inhibiting shale and preventing shale accretion

#59
20220397034
2022-12-15

Systems and methods for estimating pore pressure at source rocks

#60
20220364447
2022-11-17

Automated fracturing system and method

#61
20220349295
2022-11-03

Well fracturing systems with electrical motors and methods of use

#62
20220275695
2022-09-01

Automated Fluid System

#63
20220267661
2022-08-25

Base oil for re-use

#64
20220243544
2022-08-04

CONTROLLING DRILLING FLUID COMPOSITION USING AN INVERTED MULTI-VARIABLE DRILLING FLUID ADDITIVE MODEL

#65
20220234010
2022-07-28

AUTOMATED RECYCLED CLOSED-LOOP WATER BASED DRILLING FLUID CONDITION MONITORING SYSTEM

#66
20220234009
2022-07-28

Chemical injection and mixing device

#67
20220195820
2022-06-23

System to manage wellbore servicing fluids containing paramagnetic materials

#68
20220170357
2022-06-02

Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations

#69
20220112798
2022-04-14

Methods, systems, and devices to enhance fracturing fluid delivery to subsurface formations during high-pressure fracturing operations

#70
20220098941
2022-03-31

DEVICE AND METHOD FOR CONTINUOUS MIXING OF SOLID DRAG REDUCER

#71
20220098940
2022-03-31

BOREHOLE DOSING APPARATUS, ARRANGEMENT AND METHOD

#72
20220097011
2022-03-31

Method and device for conditioning drilling fluid

#73
20220081980
2022-03-17

Automated drilling-fluid additive system and method

#74
20220081231
2022-03-17

Modular systems and methods for direct vacuum dispensing and loss in weight measuring of dry flowable materials

#75
20220018198
2022-01-20

Real-time drilling-fluid monitor

#76
20220017807
2022-01-20

Epoxidized fatty acid methyl ester as low-shear rheology modifier for invert emulsion oil based mud

#77
20220010195
2022-01-13

NEUTRALIZE HAZARD GASES CONTROL SYSTEM

#78
20210404336
2021-12-30

Gel prediction modeling of wellbore fluids using rheology measurements

#79
20210404271
2021-12-30

Treatment of oil-based mud for determining oil-water ratio

#80
20210389253
2021-12-16

Polymer-enhanced colorimetric detection of amine-based additives

#81
20210370252
2021-12-02

High pressure static mixer

#82
20210340851
2021-11-04

Apparatus and method of disbursing materials into a wellbore

#83
20210292633
2021-09-23

High density fluid for completion applications

#84
20210285312
2021-09-16

Wellsite adaptive power management system

#85
20210230953
2021-07-29

Low gravity solids reducing processes, systems and methods, and solids reducing processes, systems and methods for drilling fluids, using collision forces within a pressure drop chamber

#86
20210207446
2021-07-08

Horizontal directional drilling system and method of operating

#87
20210189812
2021-06-24

Parallel shaker assembly for drilling fluid waste disposal

#88
20210156719
2021-05-27

System and method for determining slurry sand concentration and continuous calibration of metering mechanisms for transferring same

#89
20210154627
2021-05-27

FLUID MIXING SYSTEMS AND METHODS TO DYNAMICALLY ADJUST A DENSITY OF A FLUID MIXTURE

#90
20210139765
2021-05-13

Composition and method of manufacturing of whole date palm seed lost circulation material (LCM)

#91
20210108470
2021-04-15

Graphene oxide coated membranes to increase the density of water base fluids

#92
20210095189
2021-04-01

Settable, removable, and reusable lost circulation fluids

#93
20210072131
2021-03-11

APPLICATION OF MARSH FUNNEL THROUGH USE OF TRAINED ALGORITHM

#94
20210071058
2021-03-11

Method for making and using a drilling fluid

#95
20210071057
2021-03-11

METHOD FOR LUBRICATING UNDERGROUND CHANNELS USING ALUMINUM PHYLLOSILICATES

#96
20210063294
2021-03-04

IN-LINE CONICAL VISCOMETER USING SHEAR STRESS SENSORS

#97
20210046434
2021-02-18

Apparatus for dispersing particles in a liquid

#98
20210040803
2021-02-11

Automated drilling-fluid additive system and method

#99
20210025382
2021-01-28

Wellsite electrical power management system

#100
20210023476
2021-01-28

METHODS OF SEPARATING DRILLING CUTTINGS AND GAS USING A LIQUID SEAL

#101
20210002538
2021-01-07

Managed pressure drilling with novel noncompressible light weight fluid

#102
20200408052
2020-12-31

EX-SITU SOLIDIFICATION SYSTEM

#103
20200392802
2020-12-17

Multi-component downhole treatment

#104
20200386066
2020-12-10

Drilling system and method using calibrated pressure losses

#105
20200378252
2020-12-03

Real-time monitor and control of active clay in water-based drilling fluids

#106
20200371084
2020-11-26

Drilling mud management system and method

#107
20200355058
2020-11-12

Well fracturing systems with electrical motors and methods of use

#108
20200347713
2020-11-05

Monitoring health of additive systems

#109
20200346842
2020-11-05

Storage, transport, and delivery of well treatments

#110
20200340311
2020-10-29

Stochastic control method for mud circulation system

#111
20200332626
2020-10-22

Drilling fluid disposal injection system and method

#112
20200325743
2020-10-15

Manifold for hydraulic fracturing blender and other applications

#113
20200318446
2020-10-08

Low gravity solids reducing processes, systems and methods, and solids reducing processes, systems and methods for drilling fluids, using collision forces within a pressure drop chamber

#114
20200318445
2020-10-08

Pit pump for use in a drilling fluid recycling system

#115
20200291731
2020-09-17

Fluid delivery device for a hydraulic fracturing system

#116
20200284110
2020-09-10

Methods and systems for mounting a zipper manifold including rails

#117
20200277829
2020-09-03

Particulate dispenser

#118
20200277133
2020-09-03

Bulk material handling system for reduced dust, noise, and emissions

#119
20200259443
2020-08-13

Mixing device power system and method

#120
20200248514
2020-08-06

Method of controlling salinity of an injection water during commissioning of an injection well

#121
20200240222
2020-07-30

Mud circulation system for reducing the swab pressure while tripping out

#122
20200240221
2020-07-30

Methods for determining the water content of a drilling fluid using water phase salinity

#123
20200231860
2020-07-23

Additive to improve cold temperature properties in oil-based fluids

#124
20200215505
2020-07-09

Optimizing Drilling Mud Shearing

#125
20200215504
2020-07-09

Optimizing Drilling Mud Shearing

#126
20200215502
2020-07-09

Mixing System for Cement and Fluids

#127
20200208476
2020-07-02

Recovered drilling fluid formulation

#128
20200199990
2020-06-25

PORTABLE CONVEYING APPARATUS FOR TRANSFERRING PROPPANT FROM STORAGE CONTAINER TO BLENDER IN A HYDRAULIC FRACTURING OPERATION

#129
20200199955
2020-06-25

CONTAINMENT AND DELIVERY SYSTEM FOR HARSH FLUIDS

#130
20200190967
2020-06-18

Image based inspection of well equipment

#131
20200190963
2020-06-18

Image based inspection and automated inventory and supply chain management of well equipment

#132
20200190959
2020-06-18

Monitoring rig activities

#133
20200165506
2020-05-28

Drilling fluid for downhole electrocrushing drilling

#134
20200157894
2020-05-21

Mixing process and delivery of lost circulation slurries

#135
20200147566
2020-05-14

Blender unit with integrated container support frame

#136
20200141219
2020-05-07

Automated fracturing system and method

#137
20200131421
2020-04-30

Nanocelluloses and biogums for viscosity modification

#138
20200124513
2020-04-23

Systems and methods for monitoring and/or predicting sagging tendencies of fluids

#139
20200123429
2020-04-23

METHODS FOR TREATING A DRILLING FLUID

#140
20200122103
2020-04-23

Mobile chemical mixing plant

#141
20200115614
2020-04-16

Conditioning drilling fluid

#142
20200115613
2020-04-16

Temperature-resistant calcium-resistant water-based drilling fluid for oil and gas reservoir protection and use thereof

#143
20200115612
2020-04-16

Filtrate reducer for temperature-resistant calcium-resistant water-based drilling fluid used in oil and gas reservoir protection, drilling fluid, and uses thereof

#144
20200115611
2020-04-16

Plugging agent for temperature-resistant calcium-resistant water-based drilling fluid used in oil and gas reservoir protection, drilling fluid, and uses thereof

#145
20200110382
2020-04-09

Drilling fluid pH monitoring and control

#146
20200102799
2020-04-02

System and method for providing drilling fluid for earth drilling

#147
20200095490
2020-03-26

METHODS AND SYSTEMS FOR NEUTRALIZING HYDROGEN SULFIDE DURING DRILLING

#148
20200087997
2020-03-19

Electric power distribution for fracturing operation

#149
20200080391
2020-03-12

INTEGRATED FLUIDS MIXING AND DELIVERY SYSTEM

#150
20200061553
2020-02-27

METHOD OF IN-LINE WELLBORE FLUID BLENDING

#151
20200024502
2020-01-23

Drilling fluid for downhole electrocrushing drilling

#152
20200011159
2020-01-09

Coordinated control for mud circulation optimization

#153
20190383110
2019-12-19

Drilling fluid filter screen and method of use

#154
20190382640
2019-12-19

Drilling fluids and methods for making the same

#155
20190376377
2019-12-12

Apparatus and method for servicing a well

#156
20190360326
2019-11-28

Chemically tagged drilling fluid additives

#157
20190352984
2019-11-21

Mobile drilling fluid plant

#158
20190330967
2019-10-31

Additive injection system

#159
20190330511
2019-10-31

Corrosion Preventing Composition Pump Additive for Cement and Method of Pumping Cement

#160
20190323326
2019-10-24

Processes and systems for injecting a fluid into a wellbore

#161
20190316019
2019-10-17

Drill fluid and method for tunneling

#162
20190271331
2019-09-05

Split stream operations with pressure exchangers

#163
20190265150
2019-08-29

SLOTTED DISCS REPRESENTATIVE OF FORMATION FRACTURES

#164
20190264517
2019-08-29

INTEGRATED FLUIDS DELIVERY PLATFORM

#165
20190227048
2019-07-25

Application of electrochemical impedance spectroscopy in drilling fluid composition measurements

#166
20190226317
2019-07-25

Well fracturing systems with electrical motors and methods of use

#167
20190222157
2019-07-18

Mixing device power system and method

#168
20190218442
2019-07-18

Method for drilling a wellbore with a weighted hydrogen sulfide scavenger fluid

#169
20190218441
2019-07-18

Method for drilling a hydrogen sulfide-containing formation

#170
20190178059
2019-06-13

Method of operating a tubular string assembly within a wellbore

#171
20190144216
2019-05-16

Systems and methods for conveying a non-dry frac proppant

#172
20190127626
2019-05-02

Drilling fluids and methods for making the same

#173
20190127144
2019-05-02

Bulk material handling system for reduced dust, noise, and emissions

#174
20190119999
2019-04-25

METHODS FOR DETERMINING THE WATER CONTENT OF A DRILLING FLUID USING WATER PHASE SALINITY

#175
20190112910
2019-04-18

Automated fracturing system and method

#176
20190111401
2019-04-18

Containerized system for mixing dry additives with bulk material

#177
20190106972
2019-04-11

APPARATUS AND METHOD OF PREPARING AND DELIVERING A FLUID MIXTURE USING DIRECT PROPPANT INJECTION

#178
20190100684
2019-04-04

Method of drilling a substerranean geological formation with a drilling fluid composition comprising copper nitrate

#179
20190093676
2019-03-28

Elongated tank for use in injecting slurry

#180
20190093433
2019-03-28

Integration of mud and cementing equipment systems

#181
20190055797
2019-02-21

METHOD AND SYSTEM FOR AUTOMATED ADJUSTMENT OF DRILLING MUD PROPERTIES

#182
20190031941
2019-01-31

Delaying polymer hydration in well treatment fluids by using silica infusion

#183
20190009231
2019-01-10

Loading and unloading of bulk material containers for on site blending

#184
20190009230
2019-01-10

Fluid management system for producing treatment fluid using containerized fluid additives

#185
20190003329
2019-01-03

Electric power distribution for fracturing operation

#186
20190003272
2019-01-03

Hydration-blender transport for fracturing operation

#187
20180371853
2018-12-27

Mixing system and method for producing a drilling fluid for ground drilling and use in producing a drilling fluid for ground drilling

#188
20180363393
2018-12-20

Mobile drilling fluid plant

#189
20180347298
2018-12-06

Stochastic control method for mud circulation system

#190
20180334606
2018-11-22

Base oil for re-use

#191
20180327189
2018-11-15

Recirculating proppant conveyor system

#192
20180320049
2018-11-08

Hydrophobically-treated particulates for improved fluid rheology

#193
20180313677
2018-11-01

System and method for determining slurry sand concentration and continuous calibration of metering mechanisms for transferring same

#194
20180283173
2018-10-04

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

#195
20180275037
2018-09-27

Device for in-line monitoring of the quality of a water-soluble polymer solution manufactured from invert emulsion or powder of said polymer

#196
20180251670
2018-09-06

Polymer hydration system and method

#197
20180244972
2018-08-30

Use of alkali metal silicates during formulation of drilling fluids

#198
20180223154
2018-08-09

Drilling fluid

#199
20180216428
2018-08-02

Systems and methods for well control using pressure prediction

#200
20180194987
2018-07-12

Drilling fluid for downhole electrocrushing drilling

#201
20180194986
2018-07-12

Drilling fluid for downhole electrocrushing drilling

#202
20180171770
2018-06-21

Apparatus and method of disbursing materials into a wellbore

#203
20180156034
2018-06-07

Systems and methods for real-time measurement of gas content in drilling fluids

#204
20180142525
2018-05-24

Particulate dispenser

#205
20180135401
2018-05-17

Game theoretic control architecture for drilling system automation

#206
20180135367
2018-05-17

Fluid loss and gain for flow, managed pressure and underbalanced drilling

#207
20180119525
2018-05-03

Fracturing Fluid Filtration System for Minimizing Production Screen Clogging

#208
20180080318
2018-03-22

Methods, apparatus, and systems for injecting and detecting compositions in drilling fluid systems

#209
20180072936
2018-03-15

Methods and systems for neutralizing hydrogen sulfide during drilling

#210
20180057728
2018-03-01

Drilling fluid additive composition suitable for coal-bed gas wells, and water-based drilling fluid and use thereof

#211
20180043287
2018-02-15

Optimized recycling of drilling fluids by coordinating operation of separation units

#212
20180028992
2018-02-01

Blender unit with integrated container support frame

#213
20180008941
2018-01-11

Apparatus for dispersing particles in a liquid

#214
20170368512
2017-12-28

Polymer blending system

#215
20170362486
2017-12-21

Biopolymer composite for water-based treatment fluids

#216
20170335660
2017-11-23

Drilling fluid disposal injection system and method

#217
20170321521
2017-11-09

Pressure exchanger having crosslinked fluid plugs

#218
20170320112
2017-11-09

INTEGRATED AUTOMATIC TANK CLEANING SKIP

#219
20170308054
2017-10-26

Drilling fluid pH monitoring and control

#220
20170306986
2017-10-26

System for using pressure exchanger in dual gradient drilling application

#221
20170298264
2017-10-19

Use of nanoparticles as lubricity additive in well fluids

#222
20170292375
2017-10-12

Surfactant selection methods for wetting alteration in subterranean formations

#223
20170283681
2017-10-05

USE OF NANOPARTICLES AS LUBRICITY ADDITIVE IN WELL FLUIDS

#224
20170274333
2017-09-28

Optimizing drilling mud shearing

#225
20170260439
2017-09-14

Method for forming a high-performance aqueous-phase polymer fluid and system for drilling well bores in low-gradient formations

#226
20170259457
2017-09-14

Mixing system for cement and fluids

#227
20170259223
2017-09-14

Progressive tank system and method for using the same

#228
20170253786
2017-09-07

Additive of chemically-modified cellulose nanofibrils or cellulose nanocrystals

#229
20170253785
2017-09-07

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

#230
20170247601
2017-08-31

METHOD FOR INHIBITING SULFIDE STRESS CRACKING OF METALS

#231
20170241972
2017-08-24

Methods of ranking formation stabilizer performance

#232
20170241261
2017-08-24

Formation stabilization workflow

#233
20170234089
2017-08-17

Mixing Tank and Method of Use

#234
20170232407
2017-08-17

In-line well fluid eduction blending

#235
20170232365
2017-08-17

Separating drilling cuttings and gas using a liquid seal

#236
20170226397
2017-08-10

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

#237
20170218246
2017-08-03

Methods for replenishing particles screened from drilling fluids

#238
20170204689
2017-07-20

Estimating drilling fluid properties and the uncertainties thereof

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2017-07-13

Coordinated Control For Mud Circulation Optimization

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2017-07-13

Mud sag monitoring and control

#241
20170174973
2017-06-22

Drilling fluid and method for drilling a wellbore

#242
20170145286
2017-05-25

Thinner for oil-based drilling fluids

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20170145281
2017-05-25

Thinner for oil-based drilling fluids

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2017-05-18

Mobile drilling fluid plant

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2017-05-18

Environmentally Friendly Lubricant for Drilling Purposes

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20170137689
2017-05-18

Environmentally friendly lubricant for drilling processes

#247
20170121584
2017-05-04

Sulfide stress cracking inhibitors

#248
20170114614
2017-04-27

Method of controlling static pressure in the reservoir of a liquefied gas and proppant blender

#249
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2017-04-20

Mixing and injecting fiber-based stimulation fluids

#250
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2017-04-06

Determination of downhole conditions using circulated non-formation gasses

#251
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2017-03-30

Drilling fluids with high dispersed phase concentration

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2017-03-16

INVERT EMULSION DRILLING FLUID CONTAINING AN INTERNAL PHASE OF A POLYOL AND SALT-WATER SOLUTION

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2017-03-09

Process and container for solidification and disposal of liquid waste

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2017-03-02

Method for making and using a drilling fluid

#255
20170058178
2017-03-02

Drilling fluid and method for drilling in coal-containing formations

#256
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2017-03-02

Viscometer and methods of use thereof

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2017-01-26

Method of chemically increasing the efficiency of peroxygen based viscosity reduction reactions

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DECREASING CORROSION ON METAL SURFACES

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Methods and apparatuses for deriving wellbore fluid sag from thermal conductivity measurements

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

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Dry drilling fluid additives and methods relating thereto

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Completion Fluid for Reducing Friction Between Metal Surfaces

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2016-11-10

Drug dosing device and method for dosage metering and control

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Purification of organically modified surface active minerals by air classification

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Detecting damage in an oilfield mixing device

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MEMS-lost circulation materials for evaluating fluid loss and wellbore strengthening during a drilling operation

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2016-10-06

Tank fluid level management

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Systems and methods for real-time measurement of gas content in drilling fluids

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Sulfide-containing corrosion inhibitors

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

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Methods and processes to recycle base oil fluids from spent invert emulsion drilling fluids

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Sulfide stress cracking inhibitors

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Correlating energy to mix cement slurry under different mixing conditions

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Well fracturing systems with electrical motors and methods of use

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Tubless proppant blending system for high and low pressure blending

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Methods for replenishing particles screened from drilling fluids

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SOLIDS IN BOREHOLD FLUIDS

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System and method for routing chemicals in a chemical plant

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2016-08-11

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

#280
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Low pH metal-free preparation of aminated organic acid

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

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Erosion detection of rotating equipment with harmonic frequencies

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Yielding of hydrated lime in set-delayed and other settable compositions

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MODULAR FIBER FEEDER

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2016-06-23

Oleaginous Microbial Lubricants

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Equipment and method enabling to directly use powder polymer in hydraulic fracturing

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2016-06-16

High-temperature, high-pressure, fluid-tight seal using a series of annular rings

#288
20160145988
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Methods and systems for treatment of subterranean formations

#289
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CONTROL OF MANAGED PRESSURE DRILLING

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20160115366
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Engineered bead slurries for use in lightweight cement slurries and methods relating thereto

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Mixing and injecting fiber-based stimulation fluids

#292
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2016-03-24

Fracturing system and method for an underground formation using natural gas and an inert purging fluid

#293
20160084022
2016-03-24

Solids in borehole fluids

#294
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2016-03-24

Fracturing or gravel-packing fluid with CMHEC in brine

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2016-03-24

Solids free gellable treatment fluids

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2016-02-18

Methods and systems for monitoring a subterranean formation and wellbore production

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2016-02-18

Wellsite mixer sensing assembly and method of using same

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20160024367
2016-01-28

Ethylene viscosifier polymer for treatment of a subterranean formation

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20160003018
2016-01-07

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

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Methods and processes to recycle base oil fluids from spent invert emulsion drilling fluids