NL7316551A - - Google Patents
Info
- Publication number
- NL7316551A NL7316551A NL7316551A NL7316551A NL7316551A NL 7316551 A NL7316551 A NL 7316551A NL 7316551 A NL7316551 A NL 7316551A NL 7316551 A NL7316551 A NL 7316551A NL 7316551 A NL7316551 A NL 7316551A
- Authority
- NL
- Netherlands
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
- C09K8/206—Derivatives of other natural products, e.g. cellulose, starch, sugars
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00315955A US3849317A (en) | 1972-12-18 | 1972-12-18 | Additive for reducing gel strength in aqueous lime containing drilling fluids |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NL7316551A true NL7316551A (es) | 1974-06-20 |
| NL172077B NL172077B (nl) | 1983-02-01 |
| NL172077C NL172077C (nl) | 1983-07-01 |
Family
ID=23226819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NLAANVRAGE7316551,A NL172077C (nl) | 1972-12-18 | 1973-12-04 | Werkwijze voor het bereiden van een polysacchariden en metaalhydroxyde bevattende waterige boorvloeistof. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3849317A (es) |
| CA (1) | CA1024336A (es) |
| DE (1) | DE2359486A1 (es) |
| DK (1) | DK139628B (es) |
| ES (1) | ES421048A1 (es) |
| GB (1) | GB1406513A (es) |
| NL (1) | NL172077C (es) |
| NO (1) | NO135940C (es) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3998742A (en) * | 1972-12-18 | 1976-12-21 | Texaco Inc. | Additive for reducing gel strength in aqueous drilling fluids |
| US4095987A (en) * | 1976-12-29 | 1978-06-20 | Texaco Inc. | Method of and composition for cementing oil wells |
| US4572790A (en) * | 1984-05-02 | 1986-02-25 | Texaco Inc. | Lubrication additive for aqueous drilling fluids |
| US5035813A (en) * | 1988-05-27 | 1991-07-30 | Union Oil Company Of California | Process and composition for treating underground formations penetrated by a well borehole |
| GB8923082D0 (en) * | 1989-10-13 | 1989-11-29 | Ecc Int Ltd | Wellbore fluid |
| US5106517A (en) * | 1990-05-29 | 1992-04-21 | Baker Hughes Incorporated | Drilling fluid with browning reaction anionic carbohydrate |
| US5110484A (en) * | 1990-05-29 | 1992-05-05 | Baker Hughes Incorporated | Drilling fluid with stabilized browning reaction anionic carbohydrate |
| DE69425982T2 (de) * | 1993-05-28 | 2001-04-26 | Den Norske Stats Oljeselskap A/S, Stavanger | Abdichtflüssigkeit zum abdichten einer unterirdischen formation |
| CN105038731B (zh) * | 2015-07-17 | 2017-10-03 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | 一种钻井液用改性双糖泥页岩抑制剂及其制备方法 |
-
1972
- 1972-12-18 US US00315955A patent/US3849317A/en not_active Expired - Lifetime
-
1973
- 1973-10-30 CA CA184,603A patent/CA1024336A/en not_active Expired
- 1973-11-02 GB GB5105273A patent/GB1406513A/en not_active Expired
- 1973-11-29 DE DE2359486A patent/DE2359486A1/de not_active Withdrawn
- 1973-11-30 ES ES421048A patent/ES421048A1/es not_active Expired
- 1973-12-04 NL NLAANVRAGE7316551,A patent/NL172077C/xx not_active IP Right Cessation
- 1973-12-07 NO NO4689/73A patent/NO135940C/no unknown
- 1973-12-13 DK DK675673AA patent/DK139628B/da not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| NO135940C (es) | 1977-06-29 |
| NO135940B (es) | 1977-03-21 |
| DE2359486A1 (de) | 1974-06-20 |
| ES421048A1 (es) | 1976-04-01 |
| US3849317A (en) | 1974-11-19 |
| GB1406513A (en) | 1975-09-17 |
| NL172077C (nl) | 1983-07-01 |
| DK139628C (es) | 1979-09-03 |
| CA1024336A (en) | 1978-01-17 |
| NL172077B (nl) | 1983-02-01 |
| DK139628B (da) | 1979-03-19 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| V4 | Discontinued because of reaching the maximum lifetime of a patent |