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
  • C09K8/02—Well-drilling compositions
  • C09K8/04—Aqueous well-drilling compositions
  • C09K8/14—Clay-containing compositions
  • C09K8/18—Clay-containing compositions characterised by the organic compounds
  • C09K8/20—Natural organic compounds or derivatives thereof, e.g. polysaccharides or lignin derivatives
  • C09K8/203—Wood derivatives, e.g. lignosulfonate, tannin, tall oil, sulfite liquor
• • 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)
• General Life Sciences & Earth Sciences (AREA)
• Materials Engineering (AREA)
• Organic Chemistry (AREA)
• Wood Science & Technology (AREA)
• Dispersion Chemistry (AREA)
• Inorganic Chemistry (AREA)
• Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
• Detergent Compositions (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7621938

Family Applications (1)

Country Status (5)

Family Cites Families (1)

• 1965
  • 1965-06-11 DE DEZ11588A patent/DE1261095B/de active Pending
• 1966
  • 1966-06-07 AT AT539766A patent/AT259483B/de active
  • 1966-06-10 BE BE682377D patent/BE682377A/xx unknown
  • 1966-06-10 NL NL6608089A patent/NL6608089A/xx unknown
  • 1966-06-13 GB GB2620266A patent/GB1080127A/en not_active Expired

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