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EP0619415
European procedure
Extract from the Register of European Patents
EP About this file: EP0619415
| EP0619415 - Control of particulate flowback in subterranean wells [Right-click to bookmark this link] | Status | No opposition filed within time limit Status updated on 06.12.2002 Database last updated on 17.05.2024 | Most recent event Tooltip | 25.07.2008 | Change - representative | published on 27.08.2008 [2008/35] | Applicant(s) | For all designated states Sofitech N.V. rue de Stalle 140 Uccle (1180 Bruxelles) / BE | [N/P] |
| Former [1994/43] | For all designated states SOFITECH N.V. rue de Stalle 140 Uccle (1180 Bruxelles) / BE | ||
| Former [1994/41] | For all designated states PUMPTECH N.V. Atlantic House Noorderlaan 147 Bus 5C, 5th Floor B-2030 Antwerpen / BE | Inventor(s) | 01 /
Card, Roger J. 5602 East 104th Street Tulsa, Oklahoma 74137 / US | 02 /
Feraud, Jean-Pierre 10111 South Urbana Tulsa, Oklahoma / US | 03 /
Howard, Paul R. 8711 East 60th Street Tulsa, Oklahoma 74145 / US | [1994/41] | Representative(s) | Hyden, Martin Douglas, et al Etudes et Productions Schlumberger Intellectual Property Department 1 rue Henri Becquerel B.P. 202 92142 Clamart Cedex / FR | [N/P] |
| Former [2008/35] | Hyden, Martin Douglas, et al Etudes et Productions Schlumberger Intellectual Property Department 1 Rue Henri Becquerel B.P. 202 92142 Clamart Cedex / FR | ||
| Former [2001/38] | Hyden, Martin Douglas, et al Etudes et Productions Schlumberger Service Propriété Intellectuelle 1, rue Henri Becquerel 92142 Clamart Cedex / FR | ||
| Former [1994/41] | Richebourg, Michel François Schlumberger Dowell, Brevets, 26, rue de la Cavée, POB 202 F-92142 Clamart Cédex / FR | Application number, filing date | 94400664.2 | 29.03.1994 | [1994/41] | Priority number, date | US19930042978 | 05.04.1993 Original published format: US 42978 | [1994/41] | Filing language | EN | Procedural language | EN | Publication | Type: | A2 Application without search report | No.: | EP0619415 | Date: | 12.10.1994 | Language: | EN | [1994/41] | Type: | A3 Search report | No.: | EP0619415 | Date: | 16.08.1995 | Language: | EN | [1995/33] | Type: | B1 Patent specification | No.: | EP0619415 | Date: | 30.01.2002 | Language: | EN | [2002/05] | Search report(s) | (Supplementary) European search report - dispatched on: | EP | 03.07.1995 | Classification | IPC: | E21B43/25, E21B43/26, E21B43/267 | [1995/33] | CPC: |
C09K8/68 (EP,US);
C09K8/665 (EP,US);
C09K8/70 (EP,US);
C09K8/80 (EP,US);
E21B43/26 (EP,US);
E21B43/267 (EP,US);
C09K2208/08 (EP,US)
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| Former IPC [1994/41] | E21B43/02, E21B43/25, E21B43/26 | Designated contracting states | DE, DK, GB, IT, NL [1994/41] | Title | German: | Die Steuerung von Partikelfliessen in unterirdischen Bohrlöchern | [1994/41] | English: | Control of particulate flowback in subterranean wells | [1994/41] | French: | Contrôle de la circulation de particules dans des puits souterraine | [1994/41] | Examination procedure | 18.10.1995 | Examination requested [1995/50] | 27.06.1997 | Despatch of a communication from the examining division (Time limit: M04) | 30.10.1997 | Reply to a communication from the examining division | 16.07.1998 | Despatch of a communication from the examining division (Time limit: M02) | 25.09.1998 | Reply to a communication from the examining division | 09.12.1998 | Despatch of a communication from the examining division (Time limit: M06) | 11.06.1999 | Reply to a communication from the examining division | 23.06.2000 | Despatch of a communication from the examining division (Time limit: M04) | 19.10.2000 | Reply to a communication from the examining division | 05.04.2001 | Despatch of communication of intention to grant (Approval: Yes) | 07.08.2001 | Communication of intention to grant the patent | 23.10.2001 | Fee for grant paid | 23.10.2001 | Fee for publishing/printing paid | Opposition(s) | 31.10.2002 | No opposition filed within time limit [2003/04] | Fees paid | Renewal fee | 24.01.1996 | Renewal fee patent year 03 | 22.01.1997 | Renewal fee patent year 04 | 22.01.1998 | Renewal fee patent year 05 | 26.01.1999 | Renewal fee patent year 06 | 13.12.1999 | Renewal fee patent year 07 | 19.03.2001 | Renewal fee patent year 08 |
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| Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court. | Lapses during opposition Tooltip | DE | 01.10.2002 | [2003/31] | Documents cited: | Search | [X]US3593798 (DARLEY HENRY C H) [X] 1 * claim 4 *; | [A]US3659651 (GRAHAM JOHN W) [A] * claims 1,5 *; | [X]US3888311 (COOKE JR CLAUDE E) [X] 1,2,10,11,13,14,16-22,28,29,33,34,38,41,42 * column 2, line 45 - line 46; claim 16 * * column 3, line 7 - line 20 * * column 4, line 59 - line 62 * * column 5, line 39 - line 41 *; | [X]US3891565 (COLPOYS PATRICK J) [X] 1,2,15-22,25 * column 1, line 56 - line 63 * * column 2, line 41 - line 48 *; | [A]US4627495 (HARRIS PHILLIP C [US], et al) [A] 11,12,34,35 * abstract *; | [A]US4665982 (BROWN BILLY R [US]) [A] 1,11,13,29,34,36,39 * claim 1 *; | [A]US4785884 (ARMBRUSTER DAVID R [US]) [A] 38 * column 1, line 29 - line 39 *; | [A]US5165475 (STRUBHAR MALCOLM K [US], et al) [A] 15,37,40 * claim 1 *; | [PA]US5222558 (MONTGOMERY FRANK [US], et al) [PA] 1,16 * column 3, line 44 - line 46 * |