EP0961007A3
Expandable wellbore junction
Abstract
A method of interconnecting first and second wellbores. The method comprises the steps of: forming a radially enlarged cavity (20) in the first wellbore (12) below casing (14) lining the first wellbore (12); positioning a wellbore connector (22) within the cavity (20), the wellbore connector (22) being configurable in expanded and contracted configurations; and expanding the wellbore connector (22) within the cavity (20).

Term
Term ended
Projected expiry passed 12 May 2019, 7.4 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0786578A2 | Cites | European Patent Office (EPO) | X | Search report | 1 |
| EP0795679A2 | Cites | European Patent Office (EPO) | X | Search report | 1 |
| EP0945586A2 | Cites | European Patent Office (EPO) | E | Search report | 4,5 |
| US5318122A | Cites | United States of America | A | Search report | – |
| US5388648A | Cites | United States of America | X | Search report | 1 |
| US5526880A | Cites | United States of America | A | Search report | 4,5 |
18 members in 4 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 86716 | United States of America | – | |
| 8671698 | United States of America | A | |
| 86716 | – | – | – |
| US19980086716 | – | – | – |
Members18
| Document | Office | Kind | |
|---|---|---|---|
| CA2272680A1 | Canada | A1 | |
| CA2443311A1 | Canada | A1 | |
| CA2443312A1 | Canada | A1 | |
| EP0961007A2 | European Patent Office (EPO) | A2 | |
| EP0961007A3This record | European Patent Office (EPO) | A3 | |
| US6135208A | United States of America | A | |
| US6189616B1 | United States of America | B1 | |
| EP1428974A2 | European Patent Office (EPO) | A2 | |
| EP1428974A8 | European Patent Office (EPO) | A8 | |
| CA2272680C | Canada | C | |
| EP1428974A3 | European Patent Office (EPO) | A3 | |
| CA2443311C | Canada | C | |
| EP0961007B1 | European Patent Office (EPO) | B1 | |
| DE69929281D1 | Germany | D1 | |
| EP1428974B1 | European Patent Office (EPO) | B1 | |
| EP1914380A1 | European Patent Office (EPO) | A1 | |
| USRE41059E | United States of America | E | |
| EP1914380B1 | European Patent Office (EPO) | B1 |
34 legal events, as 3 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 | |
| Lapsed in a contracting state [announced via postgrant information from national office to epo]LapsedPG25 | PG25 | EP | |
| Notification of lapseLapsedST | ST | FR | |
| 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 | |
| Annual fee paid to national office [announced via postgrant information from national office to epo]GrantedPGFP | PGFP | EP | |
| Fee paymentPLFP | PLFP | FR | |
| 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 | |
| Fr: translation filedET | ET | EP | |
| Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents actLapsedNLV1 | NLV1 | 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 | |
| (expected) grantORIGINAL CODE: 0009210GRAA | GRAA | EP | |
| Grant fee paidORIGINAL CODE: EPIDOSNIGR3GRAS | GRAS | EP | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | EP | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | EP | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | EP | |
| Information on inventor provided before grant (corrected)RIN1 | RIN1 | EP | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | EP | |
| First examination report despatched17Q | 17Q | EP | |
| Designation fees paidDE FR GB 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 | |
| Information provided on ipc code assigned before grant7E 21B 33/10 A, 7E 21B 7/08 B, 7E 21B 29/06 B, 7E 21B 23/06 B, 7E 21B 23/04 B, 7E 21B 33/12 B, 7E 21B 33/127 B, 7E 21B 43/10 BRIC1 | RIC1 | 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
- 0961007
- Publication, DOCDB
- 0961007
- Publication, EPODOC
- EP0961007
- Application
- 99303716
- Application, DOCDB
- 99303716
- Application, EPODOC
- EP19990303716
Titles3
- German
- Expandierbare Bohrlochverbindung
- English
- Expandable wellbore junction
- French
- Jonction expansible de puits de forage
Classification
- CPC, 10
- E21B43/103
- E21B7/061
- E21B23/06
- E21B29/06
- E21B33/12
- E21B33/1208
- E21B33/1212
- E21B33/127
- E21B41/0042
- E21B43/106
- IPC, 9
- E21B7 06
- E21B7 08
- E21B23 04
- E21B23 06
- E21B29 06
- E21B33 12
- E21B33 127
- E21B41 00
- E21B43 10
Designated states2
- Contracting states, 1
- Sweden
- Extension states, 1
- Slovenia