DE1244687B - Verwendung von mit Kobaltsalzen vorbehandelten Ligniten in Bohrspuelungen - Google Patents

Verwendung von mit Kobaltsalzen vorbehandelten Ligniten in Bohrspuelungen

Info

Publication number
DE1244687B
DE1244687B DEF46303A DEF0046303A DE1244687B DE 1244687 B DE1244687 B DE 1244687B DE F46303 A DEF46303 A DE F46303A DE F0046303 A DEF0046303 A DE F0046303A DE 1244687 B DE1244687 B DE 1244687B
Authority
DE
Germany
Prior art keywords
lignite
chromium
lignosulfonate
cobalt
alkali metal
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.)
Pending
Application number
DEF46303A
Other languages
German (de)
English (en)
Inventor
Dr Horst Diener
Dr August Sohn
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.)
Hoechst AG
Original Assignee
Hoechst AG
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 Hoechst AG filed Critical Hoechst AG
Priority to DEF46303A priority Critical patent/DE1244687B/de
Priority to GB4310965A priority patent/GB1085496A/en
Priority to NL6607673A priority patent/NL6607673A/xx
Priority to AT546766A priority patent/AT262913B/de
Priority to FR65061A priority patent/FR1484101A/fr
Publication of DE1244687B publication Critical patent/DE1244687B/de
Pending legal-status Critical Current

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
    • C09K8/02—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Dispersion Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
DEF46303A 1965-06-11 1965-06-11 Verwendung von mit Kobaltsalzen vorbehandelten Ligniten in Bohrspuelungen Pending DE1244687B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DEF46303A DE1244687B (de) 1965-06-11 1965-06-11 Verwendung von mit Kobaltsalzen vorbehandelten Ligniten in Bohrspuelungen
GB4310965A GB1085496A (en) 1965-06-11 1965-10-11 Improvements in and relating to drilling fluids and lignites for use therein
NL6607673A NL6607673A (enrdf_load_stackoverflow) 1965-06-11 1966-06-02
AT546766A AT262913B (de) 1965-06-11 1966-06-08 Auf Wasserbasis hergestellte Spülflüssigkeit für Tiefbohrzwecke
FR65061A FR1484101A (fr) 1965-06-11 1966-06-10 Procédé de préparation d'une boue pour les forages à grande profondeur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF46303A DE1244687B (de) 1965-06-11 1965-06-11 Verwendung von mit Kobaltsalzen vorbehandelten Ligniten in Bohrspuelungen

Publications (1)

Publication Number Publication Date
DE1244687B true DE1244687B (de) 1967-07-20

Family

ID=7100958

Family Applications (1)

Application Number Title Priority Date Filing Date
DEF46303A Pending DE1244687B (de) 1965-06-11 1965-06-11 Verwendung von mit Kobaltsalzen vorbehandelten Ligniten in Bohrspuelungen

Country Status (4)

Country Link
AT (1) AT262913B (enrdf_load_stackoverflow)
DE (1) DE1244687B (enrdf_load_stackoverflow)
GB (1) GB1085496A (enrdf_load_stackoverflow)
NL (1) NL6607673A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1183874B (de) * 1960-12-05 1964-12-23 Magnet Cove Barium Corp Spueltruebe und Verfahren zu ihrer Herstellung

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1183874B (de) * 1960-12-05 1964-12-23 Magnet Cove Barium Corp Spueltruebe und Verfahren zu ihrer Herstellung

Also Published As

Publication number Publication date
GB1085496A (en) 1967-10-04
AT262913B (de) 1968-07-10
NL6607673A (enrdf_load_stackoverflow) 1966-12-12

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