IT1080085B - PROCESS TO PRODUCE HYDROPHIL COLLOID OF XANTHOMONAS TO BE USED TO MOVE OIL FROM PARTIALLY EXHAUSTED FIELDS - Google Patents

PROCESS TO PRODUCE HYDROPHIL COLLOID OF XANTHOMONAS TO BE USED TO MOVE OIL FROM PARTIALLY EXHAUSTED FIELDS

Info

Publication number
IT1080085B
IT1080085B IT50559/77A IT5055977A IT1080085B IT 1080085 B IT1080085 B IT 1080085B IT 50559/77 A IT50559/77 A IT 50559/77A IT 5055977 A IT5055977 A IT 5055977A IT 1080085 B IT1080085 B IT 1080085B
Authority
IT
Italy
Prior art keywords
hydrophil
xanthomonas
colloid
fields
produce
Prior art date
Application number
IT50559/77A
Other languages
Italian (it)
Original Assignee
Pfizer
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
Priority claimed from US05/793,274 external-priority patent/US4119546A/en
Application filed by Pfizer filed Critical Pfizer
Application granted granted Critical
Publication of IT1080085B publication Critical patent/IT1080085B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K8/00—Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations
    • C09K8/60—Compositions for stimulating production by acting on the underground formation
    • C09K8/84—Compositions based on water or polar solvents
    • C09K8/86—Compositions based on water or polar solvents containing organic compounds
    • C09K8/88—Compositions based on water or polar solvents containing organic compounds macromolecular compounds
    • C09K8/90—Compositions based on water or polar solvents containing organic compounds macromolecular compounds of natural origin, e.g. polysaccharides, cellulose
    • C09K8/905—Biopolymers
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/04—Polysaccharides, i.e. compounds containing more than five saccharide radicals attached to each other by glycosidic bonds
    • C12P19/06—Xanthan, i.e. Xanthomonas-type heteropolysaccharides
IT50559/77A 1976-08-05 1977-08-04 PROCESS TO PRODUCE HYDROPHIL COLLOID OF XANTHOMONAS TO BE USED TO MOVE OIL FROM PARTIALLY EXHAUSTED FIELDS IT1080085B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US71184376A 1976-08-05 1976-08-05
US05/793,274 US4119546A (en) 1976-08-05 1977-05-03 Process for producing Xanthomonas hydrophilic colloid, product resulting therefrom, and use thereof in displacement of oil from partially depleted reservoirs

Publications (1)

Publication Number Publication Date
IT1080085B true IT1080085B (en) 1985-05-16

Family

ID=27108715

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50559/77A IT1080085B (en) 1976-08-05 1977-08-04 PROCESS TO PRODUCE HYDROPHIL COLLOID OF XANTHOMONAS TO BE USED TO MOVE OIL FROM PARTIALLY EXHAUSTED FIELDS

Country Status (13)

Country Link
BR (1) BR7705160A (en)
CA (1) CA1094479A (en)
DE (1) DE2734364C2 (en)
EG (1) EG12843A (en)
ES (1) ES461344A1 (en)
FR (1) FR2360665A1 (en)
GB (1) GB1531970A (en)
IE (1) IE45543B1 (en)
IL (1) IL52609A (en)
IT (1) IT1080085B (en)
NL (1) NL168554B (en)
NO (1) NO150965C (en)
SU (1) SU959634A3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU525306B2 (en) * 1978-04-13 1982-10-28 Merck & Co., Inc. Low calcium xanthan gum
US4265673A (en) * 1978-06-23 1981-05-05 Talres Development (N.A.) N.V. Polymer solutions for use in oil recovery containing a complexing agent for multivalentions
NL7907884A (en) * 1978-11-06 1980-05-08 Pfizer METHOD FOR PREPARING A MOTION CONTROLLING SOLUTION FOR USE IN OIL EXTRACTION
FR2442955A1 (en) * 1978-12-01 1980-06-27 Ceca Sa IMPROVEMENTS TO ASSISTED OIL RECOVERY
US4263399A (en) * 1979-05-31 1981-04-21 Merck & Co., Inc. High phosphate process for making low calcium, smooth flow xanthan gum
CA1153971A (en) * 1980-07-14 1983-09-20 Standard Oil Company Semi-continuous method for production of xanthan gum using xanthomonas campestris atcc 31601
DE19512731C1 (en) * 1995-04-05 1996-07-11 Preussag En Gmbh Flooding agent used to recover oil and natural gas from underground deposits

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD121954A1 (en) * 1975-09-05 1976-09-05

Also Published As

Publication number Publication date
FR2360665B1 (en) 1982-07-09
IL52609A (en) 1980-06-30
IL52609A0 (en) 1977-10-31
GB1531970A (en) 1978-11-15
NL168554B (en) 1981-11-16
IE45543B1 (en) 1982-09-22
IE45543L (en) 1978-02-05
FR2360665A1 (en) 1978-03-03
NO150965B (en) 1984-10-08
EG12843A (en) 1980-03-31
SU959634A3 (en) 1982-09-15
DE2734364C2 (en) 1982-12-02
NO772654L (en) 1978-02-07
NL7708587A (en) 1978-02-07
DE2734364A1 (en) 1978-02-09
NO150965C (en) 1985-01-16
BR7705160A (en) 1978-04-25
CA1094479A (en) 1981-01-27
ES461344A1 (en) 1978-12-01

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