FR2077800A1 - Salt blockage removal - in oil wells by injecting water containing cadmium ions - Google Patents

Salt blockage removal - in oil wells by injecting water containing cadmium ions

Info

Publication number
FR2077800A1
FR2077800A1 FR7005351A FR7005351A FR2077800A1 FR 2077800 A1 FR2077800 A1 FR 2077800A1 FR 7005351 A FR7005351 A FR 7005351A FR 7005351 A FR7005351 A FR 7005351A FR 2077800 A1 FR2077800 A1 FR 2077800A1
Authority
FR
France
Prior art keywords
oil wells
water containing
cadmium ions
injecting water
containing cadmium
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR7005351A
Other languages
English (en)
French (fr)
Other versions
FR2077800B1 (enExample
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ELF
Original Assignee
ELF
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 ELF filed Critical ELF
Priority to FR7005351A priority Critical patent/FR2077800A1/fr
Publication of FR2077800A1 publication Critical patent/FR2077800A1/fr
Application granted granted Critical
Publication of FR2077800B1 publication Critical patent/FR2077800B1/fr
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/20—Displacing by water
    • 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
    • C09K8/52—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning
    • C09K8/528—Compositions for preventing, limiting or eliminating depositions, e.g. for cleaning inorganic depositions, e.g. sulfates or carbonates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Environmental & Geological Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Lubricants (AREA)
FR7005351A 1970-02-16 1970-02-16 Salt blockage removal - in oil wells by injecting water containing cadmium ions Granted FR2077800A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7005351A FR2077800A1 (en) 1970-02-16 1970-02-16 Salt blockage removal - in oil wells by injecting water containing cadmium ions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7005351A FR2077800A1 (en) 1970-02-16 1970-02-16 Salt blockage removal - in oil wells by injecting water containing cadmium ions

Publications (2)

Publication Number Publication Date
FR2077800A1 true FR2077800A1 (en) 1971-11-05
FR2077800B1 FR2077800B1 (enExample) 1973-03-16

Family

ID=9050682

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7005351A Granted FR2077800A1 (en) 1970-02-16 1970-02-16 Salt blockage removal - in oil wells by injecting water containing cadmium ions

Country Status (1)

Country Link
FR (1) FR2077800A1 (enExample)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341453A (en) * 1964-06-10 1967-09-12 Calgon Corp Inhibiting salt deposition

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3341453A (en) * 1964-06-10 1967-09-12 Calgon Corp Inhibiting salt deposition

Also Published As

Publication number Publication date
FR2077800B1 (enExample) 1973-03-16

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Legal Events

Date Code Title Description
ST Notification of lapse