Sarkis R. Kakadjian

Person

Houston, TX, US

People

Patents Grantslast 30 patents

Information Patent Grant
Composition and methods for enhancing the production of hydrocarbons
- Patent number 11,932,811
- Issue date Mar 19, 2024
- NEXTIER COMPLETION SOLUTIONS INC.
- Sarkis Kakadjian
- E21 - EARTH DRILLING MINING
Information Patent Grant
Methods of improving, optimizing, or maximizing proppant suspension...
- Patent number 11,732,183
- Issue date Aug 22, 2023
- NEXTIER COMPLETION SOLUTIONS INC.
- Sarkis Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Dust suppression compositions and methods making and using same
- Patent number 11,492,545
- Issue date Nov 8, 2022
- NEXTIER COMPLETION SOLUTIONS INC.
- Sarkis Kakadjian
- E21 - EARTH DRILLING MINING
Information Patent Grant
Composition and methods for enhancing the production of hydrocarbons
- Patent number 11,453,818
- Issue date Sep 27, 2022
- NEXTIER COMPLETION SOLUTIONS INC.
- Sarkis Kakadjian
- E21 - EARTH DRILLING MINING
Information Patent Grant
Compositions to improve, optimize, or maximize proppant suspension...
- Patent number 11,390,797
- Issue date Jul 19, 2022
- NEXTIER COMPLETION SOLUTIONS INC.
- Sarkis Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compositions for dust control and methods making and using same
- Patent number 10,920,133
- Issue date Feb 16, 2021
- NEXTIER COMPLETION SOLUTIONS INC.
- Sarkis Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Resin sealant for zonal isolation and methods for making and using...
- Patent number 10,301,526
- Issue date May 28, 2019
- Weatherford Technology Holdings, LLC
- Frank Zamora
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Methods for fracturing formations using aggregating compositions
- Patent number 10,202,836
- Issue date Feb 12, 2019
- The Lubrizol Corporation
- Raynard Veldman
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic fracturing compositions including novel viscosifying syst...
- Patent number 10,138,412
- Issue date Nov 27, 2018
- KEANE GROUP HOLDINGS, LLC
- Sarkis Kakadjian
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Zeta potential modifiers to decrease the residual oil saturation
- Patent number 10,040,991
- Issue date Aug 7, 2018
- The Lubrizol Corporation
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Weakly consolidated, semi consolidated formation, or unconsolidated...
- Patent number 9,725,634
- Issue date Aug 8, 2017
- Ronald van Petegem
- E21 - EARTH DRILLING MINING
Information Patent Grant
Oil based concentrated slurries and methods for making and using same
- Patent number 9,605,195
- Issue date Mar 28, 2017
- LUBRIZOL OILFIELD SOLUTIONS, INC.
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Enhancing delaying in situ gelation of water shutoff systems
- Patent number 9,464,504
- Issue date Oct 11, 2016
- LUBRIZOL OILFIELD SOLUTIONS, INC.
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Methods using low concentrations of gas bubbles to hinder proppant...
- Patent number 9,328,285
- Issue date May 3, 2016
- Weatherford Technology Holdings, LLC
- Barry Ekstrand
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compositions and methods for breaking hydraulic fracturing fluids
- Patent number 9,175,208
- Issue date Nov 3, 2015
- Joseph E. Thompson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Environmentally friendly base fluids and methods for making and usi...
- Patent number 9,085,724
- Issue date Jul 21, 2015
- Lubri3ol Oilfield Chemistry LLC
- Olusegun M Falana
- G05 - CONTROLLING REGULATING
Information Patent Grant
Weight materials for use in cement, spacer and drilling fluids
- Patent number 9,062,241
- Issue date Jun 23, 2015
- Clearwater International LLC
- Frank Zamora
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Dry polymer mixing process for forming gelled fluids
- Patent number 9,022,120
- Issue date May 5, 2015
- Lubrizol Oilfield Solutions, LLC
- Frank Zamora
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Apparatus, compositions, and methods of breaking fracturing fluids
- Patent number 9,012,378
- Issue date Apr 21, 2015
- Barry Ekstrand
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method and system using zeta potential altering compositions as agg...
- Patent number 8,950,493
- Issue date Feb 10, 2015
- Weatherford Technology Holding LLC
- Ronald van Petegem
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Methods for increase gas production and load recovery
- Patent number 8,946,130
- Issue date Feb 3, 2015
- Clearwater International LLC
- Frank Zamora
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Aggregating reagents and methods for making and using same
- Patent number 8,944,164
- Issue date Feb 3, 2015
- Clearwater International LLC
- Raynard Veldman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Resin sealant for zonal isolation and methods for making and using...
- Patent number 8,899,328
- Issue date Dec 2, 2014
- Clearwater International LLC
- Frank Zamora
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Use of zeta potential modifiers to decrease the residual oil satura...
- Patent number 8,871,694
- Issue date Oct 28, 2014
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Foam resin sealant for zonal isolation and methods for making and u...
- Patent number 8,851,174
- Issue date Oct 7, 2014
- Clearwater International LLC
- Frank Zamora
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Enhancing drag reduction properties of slick water systems
- Patent number 8,841,240
- Issue date Sep 23, 2014
- Clearwater International, L.L.C.
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compositions and method for breaking hydraulic fracturing fluids
- Patent number 8,835,364
- Issue date Sep 16, 2014
- Clearwater International, L.L.C.
- Joseph E. Thompson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Oil based concentrated slurries and methods for making and using same
- Patent number 8,728,989
- Issue date May 20, 2014
- Clearwater International
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Stable foamed cement slurry compositions and methods for making and...
- Patent number 8,475,585
- Issue date Jul 2, 2013
- Clearwater International, L.L.C.
- Frank Zamora
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Aggregating compositions, modified particulate metal-oxides, modifi...
- Patent number 8,466,094
- Issue date Jun 18, 2013
- Clearwater International, L.L.C.
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITION AND METHODS FOR ENHANCING THE PRODUCTION OF HYDROCARBONS
- Publication number 20230159815
- Publication date May 25, 2023
- NexTier Completion Solutions Inc.
- Sarkis Kakadjian
- E21 - EARTH DRILLING MINING
Information Patent Application
METHODS OF IMPROVING, OPTIMIZING, OR MAXIMIZING PROPPANT SUSPENSION...
- Publication number 20220372365
- Publication date Nov 24, 2022
- NexTier Completion Solutions Inc.
- Sarkis Kakadjian
- E21 - EARTH DRILLING MINING
Information Patent Application
DUST SUPPRESSION COMPOSITIONS AND METHODS MAKING AND USING SAME
- Publication number 20210292640
- Publication date Sep 23, 2021
- NexTier Completion Solutions Inc.
- Sarkis Kakadjian
- E21 - EARTH DRILLING MINING
Information Patent Application
COMPOSITIONS TO IMPROVE, OPTIMIZE, OR MAXIMIZE PROPPANT SUSPENSION...
- Publication number 20200354627
- Publication date Nov 12, 2020
- NexTier Completion Solutions Inc.
- Sarkis Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOSITION AND METHODS FOR ENHANCING THE PRODUCTION OF HYDROCARBONS
- Publication number 20200339868
- Publication date Oct 29, 2020
- NexTier Completion Solutions Inc.
- Sarkis Kakadjian
- E21 - EARTH DRILLING MINING
Information Patent Application
COMPOSITIONS FOR DUST CONTROL AND METHODS MAKING AND USING SAME
- Publication number 20190010387
- Publication date Jan 10, 2019
- Keane Group Holdings, LLC
- Sarkis Kakadjian
- E21 - EARTH DRILLING MINING
Information Patent Application
HYDRAULIC FRACTURING COMPOSITIONS INCLUDING NOVEL VISCOSIFYING SYST...
- Publication number 20180119004
- Publication date May 3, 2018
- Keane Group Holdings, LLC
- Sarkis Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
METHODS FOR FRACTURING FORMATIONS USING AGGREGATING COMPOSITIONS
- Publication number 20180016886
- Publication date Jan 18, 2018
- LUBRIZOL OILFIELD SOLUTIONS, INC.
- Raynard Veldman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
HIGH TEMPERATURE VISCOUS FLUID SYSTEMS IN HIGH SALINITY WATER
- Publication number 20170198206
- Publication date Jul 13, 2017
- Trican Well Service, Ltd.
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WINTERIZING AGENTS FOR OIL BASE POLYMER SLURRIES AND METHOD FOR MAK...
- Publication number 20170137698
- Publication date May 18, 2017
- Lubrizol Oilfield Solutions, Inc.
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CONTROLLING SOLID SUSPENSION IN FLUIDS
- Publication number 20170015899
- Publication date Jan 19, 2017
- Trican Well Service, Ltd.
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
CONTROLLING DEGRADATION RATES OF DIVERTING AGENTS
- Publication number 20160264834
- Publication date Sep 15, 2016
- Trican Well Service, Ltd.
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
DOWNHOLE CHEMICAL DELIVERY FOR OIL AND GAS WELLS
- Publication number 20160177175
- Publication date Jun 23, 2016
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Long Term Dual Biocide and Hydrogen Sulfide Remediation
- Publication number 20160096753
- Publication date Apr 7, 2016
- Trican Well Services, Ltd.
- Sarkis R Kakadjian
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
TREATMENT OF MICROBIAL-INFLUENCED CORROSION
- Publication number 20160069160
- Publication date Mar 10, 2016
- Trican Well Service Ltd.
- Scott SHERMAN
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
NOVEL VISCOUS FLUIDS SYSTEMS FROM PRODUCED AND FLOW BACK WATERS
- Publication number 20160009984
- Publication date Jan 14, 2016
- Trican Well Service, Ltd.
- Joseph Earl Thompson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ENVIRONMENTALLY FRIENDLY BASE FLUIDS AND METHODS FOR MAKING AND USI...
- Publication number 20150377002
- Publication date Dec 31, 2015
- Olusegun M. Falana
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
NOVEL WEIGHT MATERIALS FOR USE IN CEMENT, SPACER AND DRILLING FLUIDS
- Publication number 20150299552
- Publication date Oct 22, 2015
- Lubrizol Oilfield Solutions, Inc.
- Frank Zamora
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
STABILITY OF VISCOUS FLUIDS IN LOW SALINITY ENVIRONMENTS
- Publication number 20150191647
- Publication date Jul 9, 2015
- Trican Well Service Ltd.
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
AGGREGATING REAGENTS AND METHODS FOR MAKING AND USING SAME
- Publication number 20150114642
- Publication date Apr 30, 2015
- CLEARWATER INTERNATIONAL, LLC
- Raynard Veldman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
WEAKLY CONSOLIDATED, SEMI CONSOLIDATED FORMATION, OR UNCONSOLIDATED...
- Publication number 20150111791
- Publication date Apr 23, 2015
- Weatherford Technology Holdings, LLC.
- Ronald van Petegem
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
RESIN SEALANT FOR ZONAL ISOLATION AND METHODS FOR MAKING AND USING...
- Publication number 20150051311
- Publication date Feb 19, 2015
- CLEARWATER INTERNATIONAL, LLC
- Frank Zamora
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FOAM RESIN SEALANT FOR ZONAL ISOLATION AND METHODS FOR MAKING AND U...
- Publication number 20150011440
- Publication date Jan 8, 2015
- CLEARWATER INTERNATIONAL, LLC
- Frank Zamora
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Mutual Solvent for Downhole Use
- Publication number 20150011441
- Publication date Jan 8, 2015
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOSITIONS AND METHODS FOR BREAKING HYDRAULIC FRACTURING FLUIDS
- Publication number 20140318795
- Publication date Oct 30, 2014
- CLEARWATER INTERNATIONAL, LLC
- Joseph E. Thompson
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
OIL BASED CONCENTRATED SLURRIES AND METHODS FOR MAKING AND USING SAME
- Publication number 20140315763
- Publication date Oct 23, 2014
- CLEARWATER INTERNATIONAL, LLC
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ZETA POTENTIAL MODIFIERS TO DECREASE THE RESIDUAL OIL SATURATION
- Publication number 20140303048
- Publication date Oct 9, 2014
- Sarkis R. Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
VISCOUS FLUID SYSTEMS FROM WASTE WATER
- Publication number 20140194327
- Publication date Jul 10, 2014
- Nathan R. Hutchings
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Composition and Method to Replace Polysacharides in Hydraulic Fract...
- Publication number 20130327530
- Publication date Dec 12, 2013
- Trican Well Service Ltd.
- Sarkis Kakadjian
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Composite Solids System to Prepare Polymer Solutions for Hydraulic...
- Publication number 20130288934
- Publication date Oct 31, 2013
- Trican Well Service, Ltd.
- Ronald Joseph Powell
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Sarkis R. Kakadjian

Person

Patents Grantslast 30 patents

Composition and methods for enhancing the production of hydrocarbons

Methods of improving, optimizing, or maximizing proppant suspension...

Dust suppression compositions and methods making and using same

Composition and methods for enhancing the production of hydrocarbons

Compositions to improve, optimize, or maximize proppant suspension...

Compositions for dust control and methods making and using same

Resin sealant for zonal isolation and methods for making and using...

Methods for fracturing formations using aggregating compositions

Hydraulic fracturing compositions including novel viscosifying syst...

Zeta potential modifiers to decrease the residual oil saturation

Weakly consolidated, semi consolidated formation, or unconsolidated...

Oil based concentrated slurries and methods for making and using same

Enhancing delaying in situ gelation of water shutoff systems

Methods using low concentrations of gas bubbles to hinder proppant...

Compositions and methods for breaking hydraulic fracturing fluids

Environmentally friendly base fluids and methods for making and usi...

Weight materials for use in cement, spacer and drilling fluids

Dry polymer mixing process for forming gelled fluids

Apparatus, compositions, and methods of breaking fracturing fluids

Method and system using zeta potential altering compositions as agg...

Methods for increase gas production and load recovery

Aggregating reagents and methods for making and using same

Resin sealant for zonal isolation and methods for making and using...

Use of zeta potential modifiers to decrease the residual oil satura...

Foam resin sealant for zonal isolation and methods for making and u...

Enhancing drag reduction properties of slick water systems

Compositions and method for breaking hydraulic fracturing fluids

Oil based concentrated slurries and methods for making and using same

Stable foamed cement slurry compositions and methods for making and...

Aggregating compositions, modified particulate metal-oxides, modifi...

Patents Applicationslast 30 patents

COMPOSITION AND METHODS FOR ENHANCING THE PRODUCTION OF HYDROCARBONS

METHODS OF IMPROVING, OPTIMIZING, OR MAXIMIZING PROPPANT SUSPENSION...

DUST SUPPRESSION COMPOSITIONS AND METHODS MAKING AND USING SAME

COMPOSITIONS TO IMPROVE, OPTIMIZE, OR MAXIMIZE PROPPANT SUSPENSION...

COMPOSITION AND METHODS FOR ENHANCING THE PRODUCTION OF HYDROCARBONS

COMPOSITIONS FOR DUST CONTROL AND METHODS MAKING AND USING SAME

HYDRAULIC FRACTURING COMPOSITIONS INCLUDING NOVEL VISCOSIFYING SYST...

METHODS FOR FRACTURING FORMATIONS USING AGGREGATING COMPOSITIONS

HIGH TEMPERATURE VISCOUS FLUID SYSTEMS IN HIGH SALINITY WATER

WINTERIZING AGENTS FOR OIL BASE POLYMER SLURRIES AND METHOD FOR MAK...

CONTROLLING SOLID SUSPENSION IN FLUIDS

CONTROLLING DEGRADATION RATES OF DIVERTING AGENTS

DOWNHOLE CHEMICAL DELIVERY FOR OIL AND GAS WELLS

Long Term Dual Biocide and Hydrogen Sulfide Remediation

TREATMENT OF MICROBIAL-INFLUENCED CORROSION

NOVEL VISCOUS FLUIDS SYSTEMS FROM PRODUCED AND FLOW BACK WATERS

ENVIRONMENTALLY FRIENDLY BASE FLUIDS AND METHODS FOR MAKING AND USI...

NOVEL WEIGHT MATERIALS FOR USE IN CEMENT, SPACER AND DRILLING FLUIDS

STABILITY OF VISCOUS FLUIDS IN LOW SALINITY ENVIRONMENTS

AGGREGATING REAGENTS AND METHODS FOR MAKING AND USING SAME

WEAKLY CONSOLIDATED, SEMI CONSOLIDATED FORMATION, OR UNCONSOLIDATED...

RESIN SEALANT FOR ZONAL ISOLATION AND METHODS FOR MAKING AND USING...

FOAM RESIN SEALANT FOR ZONAL ISOLATION AND METHODS FOR MAKING AND U...

Mutual Solvent for Downhole Use

COMPOSITIONS AND METHODS FOR BREAKING HYDRAULIC FRACTURING FLUIDS

OIL BASED CONCENTRATED SLURRIES AND METHODS FOR MAKING AND USING SAME

ZETA POTENTIAL MODIFIERS TO DECREASE THE RESIDUAL OIL SATURATION

VISCOUS FLUID SYSTEMS FROM WASTE WATER

Composition and Method to Replace Polysacharides in Hydraulic Fract...

Composite Solids System to Prepare Polymer Solutions for Hydraulic...