EP0913554A3
Method and apparatus for cementing a well
Abstract
In one embodiment, the invention relates to a method or process, useful in cementing a well, especially a hydrocarbon well, which is characterized by the use of in-creased external and internal diameter liners, the method being characterized by provision and use of a novel liner and liner-tool assembly. Novel liner apparatus, a liner-tool assembly, and a fluid circulating tool are also disclosed.
Term
Term ended
Projected expiry passed 26 October 2018, 7.9 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| GB1056396A | Cites | United Kingdom | A | Search report | 1-6,10,13 |
| US4619326A | Cites | United States of America | A | Search report | 1-6,10,13 |
6 members in 3 offices
Priority claims5
| Document | Office | Kind | Date |
|---|---|---|---|
| 960513 | United States of America | – | |
| 96051397 | United States of America | A | |
| 96051397 | United States of America | A | |
| 960513 | – | – | – |
| US19970960513 | – | – | – |
Members6
| Document | Office | Kind | |
|---|---|---|---|
| EP0913554A2 | European Patent Office (EPO) | A2 | |
| EP0913554A3This record | European Patent Office (EPO) | A3 | |
| US6098710A | United States of America | A | |
| US6267181B1 | United States of America | B1 | |
| EP0913554B1 | European Patent Office (EPO) | B1 | |
| DE69830454D1 | Germany | D1 |
31 legal events, as 2 offices reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | Office | |
|---|---|---|---|
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Gb: european patent ceased through non-payment of renewal feeCeasedGBPC | GBPC | EP | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Fr: translation not filedEN | EN | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| No opposition filedOpposition26N | 26N | EP | |
| No opposition filed within time limitOppositionORIGINAL CODE: 0009261PLBE | PLBE | EP | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: NO OPPOSITION FILED WITHIN TIME LIMITSTAA | STAA | EP | |
| Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents actLapsedNLV1 | NLV1 | EP | |
| Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)732E | 732E | GB | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Corresponds to:REF | REF | EP | |
| Designated contracting statesAK | AK | EP | |
| European patent grantedGrantedFG4D | FG4D | GB | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Designation fees paidDE DK FR GB IT NLAKX | AKX | EP | |
| Request for examination filed17P | 17P | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAL;LT;LV;MK;RO;SIAX | AX | EP | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | EP | |
| Designated contracting statesAK | AK | EP | |
| Request for extension of the european patentAL;LT;LV;MK;RO;SIAX | AX | EP | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI | EP |
Numbers
- Publication
- 0913554
- Publication, DOCDB
- 0913554
- Publication, EPODOC
- EP0913554
- Application
- 98203596
- Application, DOCDB
- 98203596
- Application, EPODOC
- EP19980203596
Titles3
- German
- Verfahren und Vorrichtung zur Zementierung eines Bohrloches
- English
- Method and apparatus for cementing a well
- French
- Procédé et dispositif pour la cimentation d'un puits
Classification
- CPC, 1
- E21B43/10
- IPC, 1
- E21B43 10
Designated states25
- Contracting states, 19
- Austria
- Belgium
- Switzerland
- Cyprus
- Germany
- Denmark
- Spain
- Finland
- France
- United Kingdom
- Greece
- Ireland
- Italy
- Liechtenstein
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Portugal
- Sweden
- Extension states, 6
- Albania
- Lithuania
- Latvia
- North Macedonia
- Romania
- Slovenia