IT8748289A0 - Polivinil-solfonato a basso peso molecolare per impedire incrostazioni di solfato di bario in ambiente a basso ph - Google Patents

Polivinil-solfonato a basso peso molecolare per impedire incrostazioni di solfato di bario in ambiente a basso ph

Info

Publication number
IT8748289A0
IT8748289A0 IT8748289A IT4828987A IT8748289A0 IT 8748289 A0 IT8748289 A0 IT 8748289A0 IT 8748289 A IT8748289 A IT 8748289A IT 4828987 A IT4828987 A IT 4828987A IT 8748289 A0 IT8748289 A0 IT 8748289A0
Authority
IT
Italy
Prior art keywords
low
encalculation
environments
molecular weight
barium sulphate
Prior art date
Application number
IT8748289A
Other languages
English (en)
Other versions
IT1211707B (it
Inventor
Daniel H Emmons
Original Assignee
Nalco Chemical Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of IT8748289A0 publication Critical patent/IT8748289A0/it
Application granted granted Critical
Publication of IT1211707B publication Critical patent/IT1211707B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents
    • C02F5/08—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents
    • C02F5/10—Treatment of water with complexing chemicals or other solubilising agents for softening, scale prevention or scale removal, e.g. adding sequestering agents using organic substances
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S507/00—Earth boring, well treating, and oil field chemistry
    • Y10S507/927—Well cleaning fluid

Landscapes

  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • General Chemical & Material Sciences (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
  • Detergent Compositions (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
IT8748289A 1986-08-14 1987-08-10 Polivinil-solfonato a basso peso molecolare per impedire incrostazioni di solfato di bario in ambiente a basso ph IT1211707B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/896,354 US4710303A (en) 1986-08-14 1986-08-14 Low molecular weight polyvinyl sulfonate for low pH barium sulfate scale control

Publications (2)

Publication Number Publication Date
IT8748289A0 true IT8748289A0 (it) 1987-08-10
IT1211707B IT1211707B (it) 1989-11-03

Family

ID=25406064

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8748289A IT1211707B (it) 1986-08-14 1987-08-10 Polivinil-solfonato a basso peso molecolare per impedire incrostazioni di solfato di bario in ambiente a basso ph

Country Status (8)

Country Link
US (1) US4710303A (it)
AR (1) AR244773A1 (it)
AU (1) AU592445B2 (it)
DE (1) DE3726193A1 (it)
DK (1) DK422287A (it)
GB (1) GB2193738B (it)
IT (1) IT1211707B (it)
SE (1) SE468474B (it)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4898677A (en) * 1986-11-10 1990-02-06 National Starch And Chemical Corporation Process for inhibiting scale formation and modifying the crystal structure of barium sulfate and other inorganic salts
EP0297049B1 (en) * 1987-06-23 1991-01-16 Ciba-Geigy Ag Scale inhibition
GB8728162D0 (en) * 1987-12-02 1988-01-06 Albright & Wilson Threshold treatment
US4923617A (en) * 1987-12-03 1990-05-08 Mobil Oil Corporation Process for inhibiting scale formation
US5060728A (en) * 1988-10-12 1991-10-29 Mobil Oil Corporation Process for preventing scale formation in oil wells
US4937002A (en) * 1989-06-12 1990-06-26 National Starch And Chemical Investment Holding Corporation Interpolymers for barium sulphate inhibition
AU6401890A (en) * 1989-11-01 1991-05-31 Marathon Oil Company Polyvinyl sulfonate scale inhibitor
US5092404A (en) * 1989-11-01 1992-03-03 Marathon Oil Company Polyvinyl sulfonate scale inhibitor
US5263541A (en) * 1989-11-01 1993-11-23 Barthorpe Richard T Inhibition of scale growth utilizing a dual polymer composition
US5164468A (en) * 1990-09-05 1992-11-17 The Standard Oil Company Polymers derived from α, β-unsaturated polycarboxylic acids or anhydrides and n-substituted acrylamides, and use in reducing scale
US5213691A (en) * 1991-10-07 1993-05-25 Nalco Chemical Company Phosphonate-containing polymers for controlling scale in underground petroleum-containing formations and equipment associated therewith
US5167828A (en) * 1991-10-07 1992-12-01 Nalco Chemical Company Phosphinate-containing polymers for controlling scale in underground petroleum-containing formations and equipment associated therewith
US5360065A (en) * 1993-06-29 1994-11-01 Marathon Oil Company Scale inhibitor and process for using
WO1995013247A1 (en) * 1993-11-11 1995-05-18 Marathon Oil Company Inhibition of scale growth utilizing a dual polymer composition
US5685918A (en) * 1994-07-29 1997-11-11 Ambar, Inc. Composition for removing scale
US5824159A (en) * 1994-07-29 1998-10-20 Ambar, Inc. Process for treating surface stored contaminated solids
US5819771A (en) * 1994-07-29 1998-10-13 Ambar, Inc. Method for treating scale
US5755972A (en) * 1996-03-01 1998-05-26 Rohm And Haas Company Method for metal sulfate scale control in harsh oilfield conditions
GB2328440A (en) * 1997-08-21 1999-02-24 Fmc Corp Phosphinopolycarboxylic acids comprising sulphonic acid groups and their use as inhibitors of barium sulphate scale
MX342993B (es) 2013-04-25 2016-10-13 Inst Mexicano Del Petróleo Proceso de obtencion de copolimeros aleatorios derivados del acido itaconico y/o sus isomeros y alquenil sulfonatos de sodio y uso del producto obtenido.

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3879288A (en) * 1970-07-01 1975-04-22 Frederick Herman Siegele Process of inhibiting scale formation on walls of structures containing an aqueous system
US3706717A (en) * 1970-07-01 1972-12-19 American Cyanamid Co Copolymers of fumaric acid and allyl sulfonic acid
US3682224A (en) * 1970-12-17 1972-08-08 Merrill Bleyle Scale prevention agents of methacrylic acid-vinyl sulfonate copolymers for saline water evaporation
US3715307A (en) * 1971-06-24 1973-02-06 Economics Lab Treatment of water used in heat transfer equipment
US4062796A (en) * 1973-12-10 1977-12-13 Halliburton Company Methods for inhibiting scale formation
US3951793A (en) * 1973-12-26 1976-04-20 Texaco Inc. Method for controlling scale
US4048066A (en) * 1976-11-17 1977-09-13 Chemed Corporation Method of inhibiting scale
US4518511A (en) * 1979-11-21 1985-05-21 American Cyanamid Company Delivery of polymeric antiprecipitants in oil wells employing an oil soluble carrier system
US4457847B2 (en) * 1981-11-05 1996-12-31 Nalco Chemical Co Carboxylate polymers for internal scale control agents in boiler systems
US4556493A (en) * 1983-02-16 1985-12-03 Dearborn Chemical Company Composition and method for inhibiting scale
US4618448A (en) * 1984-11-09 1986-10-21 Calgon Corporation Carboxylic/sulfonic/polyalkylene oxide polymer for use as scale, corrosion, and iron oxide deposit control
US4560481A (en) * 1984-12-13 1985-12-24 Betz Laboratories, Inc. Method of controlling iron induced fouling in water systems
US4604211A (en) * 1985-01-29 1986-08-05 Nalco Chemical Company Acrylic acid-sodium vinylsulfonate-vinyl acetate terpolymer and use thereof as a dispersant

Also Published As

Publication number Publication date
AU592445B2 (en) 1990-01-11
US4710303A (en) 1987-12-01
DK422287D0 (da) 1987-08-13
AR244773A1 (es) 1993-11-30
DK422287A (da) 1988-02-15
GB8717848D0 (en) 1987-09-03
SE8703016D0 (sv) 1987-07-31
AU7501387A (en) 1988-02-18
SE8703016L (sv) 1988-02-15
GB2193738A (en) 1988-02-17
GB2193738B (en) 1990-03-28
IT1211707B (it) 1989-11-03
DE3726193A1 (de) 1988-02-18
SE468474B (sv) 1993-01-25

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970827