NO20031735L
Tracking of particulate flowback in subterranean wells
Abstract
Compositions comprising a particulate material and a tracking material are used for tracking particulate flowback in wells. The tracking material is selected from metals, metal salts of organic acids, phosphorescent pigments, fluorescent pigments, photoluminescent pigments, oil soluble dyes, oil dispersible dyes and oil dispersible pigments.
Term
No projected expiry on record.
- Priority
- Filed
- Published
- Today
4 priority claims, no other members on record
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 12517102 | United States of America | A | |
| 12517102 | United States of America | A | |
| 125171 | – | – | – |
| US20020125171 | – | – | – |
1 legal event, as the office reported them to INPADOC
Events
| Event | Code | |
|---|---|---|
| Withdrawal, rejection or dismissal of laid open patent applicationFC2A | FC2A |
Numbers
- Publication, DOCDB
- 20031735
- Publication, EPODOC
- NO20031735L
- Application
- 1735
- Application, DOCDB
- 20031735
- Application, EPODOC
- NO20030001735
Titles2
- Norwegian
- Sporing av partikul¶r tilbakeströmning i underjordiske brönner
- English
- Detection of particulate backflow in underground wells
Classification
- CPC, 4
- C09K8/805
- Y10S507/924
- Y10S507/907
- E21B47/11
- IPC, 2
- C09K8 80
- E21B47 10