DD116491A1 - - Google Patents
Info
- Publication number
- DD116491A1 DD116491A1 DD18037974A DD18037974A DD116491A1 DD 116491 A1 DD116491 A1 DD 116491A1 DD 18037974 A DD18037974 A DD 18037974A DD 18037974 A DD18037974 A DD 18037974A DD 116491 A1 DD116491 A1 DD 116491A1
- Authority
- DD
- German Democratic Republic
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
- C09K8/58—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids
- C09K8/584—Compositions for enhanced recovery methods for obtaining hydrocarbons, i.e. for improving the mobility of the oil, e.g. displacing fluids characterised by the use of specific surfactants
Landscapes
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US38691773A | 1973-08-09 | 1973-08-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD116491A1 true DD116491A1 (fr) | 1975-11-20 |
Family
ID=23527620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD18037974A DD116491A1 (fr) | 1973-08-09 | 1974-08-07 |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT332341B (fr) |
| BR (1) | BR7406600A (fr) |
| CA (1) | CA1056589A (fr) |
| DD (1) | DD116491A1 (fr) |
| EG (1) | EG11166A (fr) |
| GB (1) | GB1471177A (fr) |
| RO (1) | RO67481A (fr) |
-
1974
- 1974-07-02 CA CA203,792A patent/CA1056589A/fr not_active Expired
- 1974-07-25 GB GB3289774A patent/GB1471177A/en not_active Expired
- 1974-08-03 EG EG30974A patent/EG11166A/xx active
- 1974-08-06 RO RO7479677A patent/RO67481A/fr unknown
- 1974-08-07 DD DD18037974A patent/DD116491A1/xx unknown
- 1974-08-09 BR BR660074A patent/BR7406600A/pt unknown
- 1974-08-09 AT AT657174A patent/AT332341B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CA1056589A (fr) | 1979-06-19 |
| RO67481A (fr) | 1980-03-15 |
| GB1471177A (en) | 1977-04-21 |
| EG11166A (en) | 1977-01-31 |
| ATA657174A (de) | 1976-01-15 |
| AT332341B (de) | 1976-09-27 |
| BR7406600A (pt) | 1976-03-23 |