Oil well fluids, oil sands, bitumen

Industry

CPC
B03D2203/006

This industry / category may be too specific. Please go to a parent level for more data

Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B03Material separation B03DFLOTATION DIFFERENTIAL SEDIMENTATION B03D2203/00Specified materials treated by the flotation agents specified applications

Current Industry

B03D2203/006Oil well fluids, oil sands, bitumen

Industries

Patents Grantslast 30 patents

Information Patent Grant
Enhanced foam removal of total suspended solids and multiply charge...
- Patent number 11,987,505
- Issue date May 21, 2024
- Ecolab USA Inc.
- Victor Fuk-Pong Man
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Enhanced foam fractionation of oil phase from aqueous/oil mixed pha...
- Patent number 11,718,540
- Issue date Aug 8, 2023
- Ecolab USA Inc.
- Victor Fuk-Pong Man
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Modified flotation test with in-situ reservoir conditions
- Patent number 11,420,214
- Issue date Aug 23, 2022
- ESal, LLC
- Geoffrey Thyne
- E21 - EARTH DRILLING MINING
Information Patent Grant
Flotation performance enhancement
- Patent number 11,383,250
- Issue date Jul 12, 2022
- Cameron International Corporation
- Luis Eduardo Caires-Fernandez
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Nanogas shear processing
- Patent number 11,344,822
- Issue date May 31, 2022
- NANO GAS TECHNOLOGIES INC.
- Rudy M Folds
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Flotation performance enhancement
- Patent number 10,987,677
- Issue date Apr 27, 2021
- Cameron International Corporation
- Luis Eduardo Caires-Fernandez
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Enhanced foam removal of total suspended solids and multiply charge...
- Patent number 10,773,973
- Issue date Sep 15, 2020
- Ecolab USA Inc.
- Victor Fuk-Pong Man
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Nanobubble aided bitumen extraction from oil sand
- Patent number 10,711,200
- Issue date Jul 14, 2020
- Syncrude Canada Ltd. in trust for the owners of the Syncrude Project as such...
- Jun Long
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Enhanced foam fractionation of oil phase from aqueous/oil mixed pha...
- Patent number 10,435,308
- Issue date Oct 8, 2019
- Ecolab USA Inc.
- Victor Fuk-Pong Man
- B09 - DISPOSAL OF SOLID WASTE RECLAMATION OF CONTAMINED SOIL SOIL
Information Patent Grant
Gas flotation tank
- Patent number 10,377,641
- Issue date Aug 13, 2019
- Exterran Water Solutions ULC
- Todd William Kirk
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Amine-aldehyde resins and uses thereof in separation processes
- Patent number 10,150,839
- Issue date Dec 11, 2018
- Ingevity South Carolina, LLC
- James T. Wright
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Methods for separating a feed material derived from a process for r...
- Patent number 10,087,372
- Issue date Oct 2, 2018
- TITANIUM CORPORATION INC.
- Kevin Moran
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Method and system for flotation separation in a magnetically contro...
- Patent number 9,932,525
- Issue date Apr 3, 2018
- Cidra Corporate Services, Inc
- Alan D. Kersey
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods of recovering bitumen from oil sands
- Patent number 9,840,669
- Issue date Dec 12, 2017
- Baker Hughes Incorporated
- Oleksandr V. Kuznetsov
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Methods for separating a feed material derived from a process for r...
- Patent number 9,719,022
- Issue date Aug 1, 2017
- TITANIUM CORPORATION INC.
- Kevin Moran
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Process for integration of paraffinic froth treatment hub and a bit...
- Patent number 9,546,323
- Issue date Jan 17, 2017
- FORT HILLS ENERGY L.P.
- Shawn Van Der Merwe
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Collector compositions and methods for making and using same
- Patent number 9,511,378
- Issue date Dec 6, 2016
- Georgia-Pacific Chemicals LLC
- John B. Hines
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method and apparatus for treatment of fluids
- Patent number 9,334,175
- Issue date May 10, 2016
- 1501367 Alberta Ltd.
- Wade R. Bozak
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Methods, apparatus, and systems for incorporating bio-derived mater...
- Patent number 9,212,313
- Issue date Dec 15, 2015
- Avello Bioenergy, Inc.
- Anthony J. S. Pollard
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Steam driven direct contact steam generation
- Patent number 9,114,406
- Issue date Aug 25, 2015
- EX-TAR TECHNOLOGIES
- Maoz Betzer Tsilevich
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Methods for separation of bitumen from oil sands
- Patent number 8,974,661
- Issue date Mar 10, 2015
- Exxonmobil Upstream Research Company
- David Carl Rennard
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
System, apparatus and process for extraction of bitumen from oil sands
- Patent number 8,968,579
- Issue date Mar 3, 2015
- Suncor Energy Inc.
- Bradford E. Bjornson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Apparatus and method for regulating flow through a pumpbox
- Patent number 8,968,580
- Issue date Mar 3, 2015
- Suncor Energy Inc.
- Thomas Charles Hann
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Apparatus and method for the treatment of oil, water, cuttings, san...
- Patent number 8,945,402
- Issue date Feb 3, 2015
- Larry Saik
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Bitumen froth storage and separation using an improved froth tank
- Patent number 8,919,575
- Issue date Dec 30, 2014
- Syncrude Canada Ltd. in trust for the owners of the Syncrude Project as such...
- Simon Yuan
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Method for processing froth treatment tailings
- Patent number 8,852,429
- Issue date Oct 7, 2014
- Titanium Corporation Inc.
- Kevin Moran
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
System, apparatus and process for extraction of bitumen from oil sands
- Patent number 8,800,784
- Issue date Aug 12, 2014
- Suncor Energy Inc.
- Bradford E. Bjornson
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Settler with overflow recycle
- Patent number 8,795,537
- Issue date Aug 5, 2014
- Fort Hills Energy L.P.
- Shawn Van der Merwe
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Amine-aldehyde resins and uses thereof in separation processes
- Patent number 8,757,389
- Issue date Jun 24, 2014
- Georgia-Pacific Chemicals LLC
- James T. Wright
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Grant
Systems and methods for oil sands processing
- Patent number 8,728,305
- Issue date May 20, 2014
- Soane Energy, LLC
- Kristoffer K. Stokes
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...

Patents Applicationslast 30 patents

Information Patent Application
IMPROVED FLOTATION AND SOLID-LIQUID SEPARATION OF TAILINGS
- Publication number 20240198359
- Publication date Jun 20, 2024
- EXTRAKT PROCESS SOLUTIONS, LLC
- Christian KUJAWA
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
APPARATUS AND METHOD FOR REMOVING DEBRIS AND ENTRAPPED AIR FROM BIT...
- Publication number 20230365867
- Publication date Nov 16, 2023
- HOCS Projects Inc.
- Mark Neville Smithdorf
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
ICE CORE ANALYSIS OF END PIT LAKES
- Publication number 20230149944
- Publication date May 18, 2023
- SYNCRUDE CANADA LTD. in trust for the owners of
- Barry BARA
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
FLOTATION SEPARATION UNIT
- Publication number 20230097250
- Publication date Mar 30, 2023
- ALLUM TECHNOLOGY AS
- Bjørn Håvard Brænden
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
METHOD AND SYSTEM FOR FLOTATION SEPARATION IN A MAGNETICALLY CONTRO...
- Publication number 20230041631
- Publication date Feb 9, 2023
- CiDRA CORPORATE SERVICES LLC
- Alan D. KERSEY
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
NANOGAS SHEAR PROCESSING
- Publication number 20220410036
- Publication date Dec 29, 2022
- NANOGAS TECHNOLOGIES INC
- Rudy M FOLDS
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
FLOTATION PERFORMANCE ENHANCEMENT
- Publication number 20210237100
- Publication date Aug 5, 2021
- Cameron International Corporation
- Luis Eduardo Caires-Fernandez
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
NanoGas Shear Processing
- Publication number 20210046401
- Publication date Feb 18, 2021
- Nano Gas Technologies Inc
- Rudy M FOLDS
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
DILUTED BITUMEN FINE WATER DROPLETS CAPTURE
- Publication number 20210040394
- Publication date Feb 11, 2021
- SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project as such...
- BRIAN KNAPPER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
FLOTATION PERFORMANCE ENHANCEMENT
- Publication number 20200197954
- Publication date Jun 25, 2020
- SCHLUMBERGER TECHNOLOGY CORPORATION
- Luis Eduardo Caires-Fernandez
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
MODIFIED FLOTATION TEST WITH IN-SITU RESERVOIR CONDITIONS
- Publication number 20190381517
- Publication date Dec 19, 2019
- ESal, LLC
- Geoffrey Thyne
- G01 - MEASURING TESTING
Information Patent Application
NANOBUBBLE AIDED BITUMEN EXTRACTION FROM OIL SAND
- Publication number 20180208854
- Publication date Jul 26, 2018
- SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project as such...
- JUN LONG
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD AND SYSTEM FOR FLOTATION SEPARATION IN A MAGNETICALLY CONTRO...
- Publication number 20180155630
- Publication date Jun 7, 2018
- CIDRA CORPORATE SERVICES INC.
- Alan D. KERSEY
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
CLAY FLOTATION OF TAILINGS
- Publication number 20160310964
- Publication date Oct 27, 2016
- SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project as such...
- SIMON YUAN
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
AMINE-ALDEHYDE RESINS AND USES THEREOF IN SEPARATION PROCESSES
- Publication number 20140301921
- Publication date Oct 9, 2014
- James T. Wright
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
ENHANCED FOAM REMOVAL OF TOTAL SUSPENDED SOLIDS AND MULTIPLY CHARGE...
- Publication number 20140251920
- Publication date Sep 11, 2014
- ECOLAB USA INC.
- Victor Fuk-Pong Man
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
ENHANCED FOAM FRACTIONATION OF OIL PHASE FROM AQUEOUS/OIL MIXED PHA...
- Publication number 20140251919
- Publication date Sep 11, 2014
- ECOLAB USA INC.
- Victor Fuk-Pong Man
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
HEAT AND WATER INTEGRATION PROCESS FOR AN OIL SAND OPERATION WITH D...
- Publication number 20140076785
- Publication date Mar 20, 2014
- Fort Hills Energy L.P.
- Blair James Penner
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
Process For Integration of Paraffinic Froth Treatment Hub and A Bit...
- Publication number 20130313886
- Publication date Nov 28, 2013
- Fort Hills Energy L.P.
- Shawn Van Der Merwe
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
BITUMEN FROTH STORAGE AND SEPARATION USING AN IMPROVED FROTH TANK
- Publication number 20130248424
- Publication date Sep 26, 2013
- SYNCRUDE CANADA LTD. in trust for the owners of the Syncrude Project
- SIMON YUAN
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
SYSTEM, APPARATUS AND PROCESS FOR EXTRACTION OF BITUMEN FROM OIL SANDS
- Publication number 20130098805
- Publication date Apr 25, 2013
- SUNCOR ENERGY, INC.
- BRADFORD E. BJORNSON
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
FLUID TREATMENT SYSTEM
- Publication number 20120298587
- Publication date Nov 29, 2012
- RJ OIL SANDS INC.
- Wade R. Bozak
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHODS, APPARATUS, AND SYSTEMS FOR INCORPORATING BIO-DERIVED MATER...
- Publication number 20120289440
- Publication date Nov 15, 2012
- AVELLO BIOENERGY, INC.
- ANTHONY J. S. POLLARD
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
OIL SANDS TAILINGS MANAGEMENT
- Publication number 20120248042
- Publication date Oct 4, 2012
- TOTAL E&P CANADA LTD.
- David BALDREY
- B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information Patent Application
BITUMEN EXTRACTION AND ASPHALTENE REMOVAL FROM HEAVY CRUDE USING HI...
- Publication number 20120241390
- Publication date Sep 27, 2012
- H R D CORPORATION
- Abbas Hassan
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
Methods For Separation of Bitumen From Oil Sands
- Publication number 20120168353
- Publication date Jul 5, 2012
- David Carl Rennard
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
METHOD AND APPARATUS FOR TREATMENT OF FLUIDS
- Publication number 20120145642
- Publication date Jun 14, 2012
- RJ OIL SANDS INC.
- Wade R. Bozak
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SYSTEM, APPARATUS AND PROCESS FOR EXTRACTION OF BITUMEN FROM OIL SANDS
- Publication number 20120085699
- Publication date Apr 12, 2012
- SUNCOR ENERGY INC.
- BRADFORD E. BJORNSON
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
SETTLER WITH OVERFLOW RECYCLE
- Publication number 20120061334
- Publication date Mar 15, 2012
- FORT HILLS ENERGY INC.
- SHAWN VAN DER MERWE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR DISPERSING AND AGGREGATING COMPONENTS OF MINERAL SLURRIES
- Publication number 20120018383
- Publication date Jan 26, 2012
- SORTWELL & CO.
- Edwin T. Sortwell
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Oil well fluids, oil sands, bitumen

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Enhanced foam removal of total suspended solids and multiply charge...

Enhanced foam fractionation of oil phase from aqueous/oil mixed pha...

Modified flotation test with in-situ reservoir conditions

Flotation performance enhancement

Nanogas shear processing

Flotation performance enhancement

Enhanced foam removal of total suspended solids and multiply charge...

Nanobubble aided bitumen extraction from oil sand

Enhanced foam fractionation of oil phase from aqueous/oil mixed pha...

Gas flotation tank

Amine-aldehyde resins and uses thereof in separation processes

Methods for separating a feed material derived from a process for r...

Method and system for flotation separation in a magnetically contro...

Methods of recovering bitumen from oil sands

Methods for separating a feed material derived from a process for r...

Process for integration of paraffinic froth treatment hub and a bit...

Collector compositions and methods for making and using same

Method and apparatus for treatment of fluids

Methods, apparatus, and systems for incorporating bio-derived mater...

Steam driven direct contact steam generation

Methods for separation of bitumen from oil sands

System, apparatus and process for extraction of bitumen from oil sands

Apparatus and method for regulating flow through a pumpbox

Apparatus and method for the treatment of oil, water, cuttings, san...

Bitumen froth storage and separation using an improved froth tank

Method for processing froth treatment tailings

System, apparatus and process for extraction of bitumen from oil sands

Settler with overflow recycle

Amine-aldehyde resins and uses thereof in separation processes

Systems and methods for oil sands processing

Patents Applicationslast 30 patents

IMPROVED FLOTATION AND SOLID-LIQUID SEPARATION OF TAILINGS

APPARATUS AND METHOD FOR REMOVING DEBRIS AND ENTRAPPED AIR FROM BIT...

ICE CORE ANALYSIS OF END PIT LAKES

FLOTATION SEPARATION UNIT

METHOD AND SYSTEM FOR FLOTATION SEPARATION IN A MAGNETICALLY CONTRO...

NANOGAS SHEAR PROCESSING

FLOTATION PERFORMANCE ENHANCEMENT

NanoGas Shear Processing

DILUTED BITUMEN FINE WATER DROPLETS CAPTURE

FLOTATION PERFORMANCE ENHANCEMENT

MODIFIED FLOTATION TEST WITH IN-SITU RESERVOIR CONDITIONS

NANOBUBBLE AIDED BITUMEN EXTRACTION FROM OIL SAND

METHOD AND SYSTEM FOR FLOTATION SEPARATION IN A MAGNETICALLY CONTRO...

CLAY FLOTATION OF TAILINGS

AMINE-ALDEHYDE RESINS AND USES THEREOF IN SEPARATION PROCESSES

ENHANCED FOAM REMOVAL OF TOTAL SUSPENDED SOLIDS AND MULTIPLY CHARGE...

ENHANCED FOAM FRACTIONATION OF OIL PHASE FROM AQUEOUS/OIL MIXED PHA...

HEAT AND WATER INTEGRATION PROCESS FOR AN OIL SAND OPERATION WITH D...

Process For Integration of Paraffinic Froth Treatment Hub and A Bit...

BITUMEN FROTH STORAGE AND SEPARATION USING AN IMPROVED FROTH TANK

SYSTEM, APPARATUS AND PROCESS FOR EXTRACTION OF BITUMEN FROM OIL SANDS

FLUID TREATMENT SYSTEM

METHODS, APPARATUS, AND SYSTEMS FOR INCORPORATING BIO-DERIVED MATER...

OIL SANDS TAILINGS MANAGEMENT

BITUMEN EXTRACTION AND ASPHALTENE REMOVAL FROM HEAVY CRUDE USING HI...

Methods For Separation of Bitumen From Oil Sands

METHOD AND APPARATUS FOR TREATMENT OF FLUIDS

SYSTEM, APPARATUS AND PROCESS FOR EXTRACTION OF BITUMEN FROM OIL SANDS

SETTLER WITH OVERFLOW RECYCLE

METHOD FOR DISPERSING AND AGGREGATING COMPONENTS OF MINERAL SLURRIES