GB2178785B - Well drilling fluids, fluid loss additives therefor and preparation of such additives - Google Patents
Well drilling fluids, fluid loss additives therefor and preparation of such additivesInfo
- Publication number
- GB2178785B GB2178785B GB08619007A GB8619007A GB2178785B GB 2178785 B GB2178785 B GB 2178785B GB 08619007 A GB08619007 A GB 08619007A GB 8619007 A GB8619007 A GB 8619007A GB 2178785 B GB2178785 B GB 2178785B
- Authority
- GB
- United Kingdom
- Prior art keywords
- additives
- preparation
- fluid loss
- drilling fluids
- well drilling
- 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.)
- Expired
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)
- Colloid Chemistry (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB858519823A GB8519823D0 (en) | 1985-08-07 | 1985-08-07 | Fluid loss additive for well drilling fluids |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8619007D0 GB8619007D0 (en) | 1986-09-17 |
GB2178785A GB2178785A (en) | 1987-02-18 |
GB2178785B true GB2178785B (en) | 1988-05-25 |
Family
ID=10583439
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB858519823A Pending GB8519823D0 (en) | 1985-08-07 | 1985-08-07 | Fluid loss additive for well drilling fluids |
GB08619007A Expired GB2178785B (en) | 1985-08-07 | 1986-08-04 | Well drilling fluids, fluid loss additives therefor and preparation of such additives |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB858519823A Pending GB8519823D0 (en) | 1985-08-07 | 1985-08-07 | Fluid loss additive for well drilling fluids |
Country Status (1)
Country | Link |
---|---|
GB (2) | GB8519823D0 (en) |
-
1985
- 1985-08-07 GB GB858519823A patent/GB8519823D0/en active Pending
-
1986
- 1986-08-04 GB GB08619007A patent/GB2178785B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8619007D0 (en) | 1986-09-17 |
GB2178785A (en) | 1987-02-18 |
GB8519823D0 (en) | 1985-09-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |