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Extract from the Register of European Patents

EP About this file: EP0577300

EP0577300 - Low permeability subterranean formation testing method [Right-click to bookmark this link]
StatusThe application has been withdrawn
Status updated on  16.02.1995
Database last updated on 13.11.2024
Most recent event   Tooltip19.01.1996Change - applicantpublished on 06.03.1996 [1996/10]
Applicant(s)For all designated states
HALLIBURTON COMPANY
P.O. Box 1431 Duncan
Oklahoma 73536 / US
[N/P]
Former [1996/10]For all designated states
HALLIBURTON COMPANY
P.O. Box 1431 1015 Bois d'Arc
Duncan Oklahoma 73536 / US
Former [1994/01]For all designated states
HALLIBURTON COMPANY
P.O. Box 1431
Duncan Oklahoma 73536 / US
Inventor(s)01 / Blauch, Matthew E.
1125 Grand
Duncan, Oklahoma 73533 / US
02 / Venditto, James J.
2902 Wild Oaks Drive
Duncan, Oklahoma 73533 / US
03 / McMechan, David E.
Rt. 2 - Box 414
Marlow, Oklahoma 73055 / US
04 / Tanaka, Gregory L.
204 Houston
Marlow, Oklahoma 73055 / US
[1994/01]
Representative(s)Wain, Christopher Paul, et al
A.A. Thornton & Co. 235 High Holborn London
WC1V 7LE / GB
[N/P]
Former [1994/01]Wain, Christopher Paul, et al
A.A. THORNTON & CO. Northumberland House 303-306 High Holborn
London WC1V 7LE / GB
Application number, filing date93304792.018.06.1993
[1994/01]
Priority number, dateUS1992090369524.06.1992         Original published format: US 903695
[1994/01]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0577300
Date:05.01.1994
Language:EN
[1994/01]
Type: A3 Search report 
No.:EP0577300
Date:06.04.1994
Language:EN
[1994/14]
Search report(s)(Supplementary) European search report - dispatched on:EP15.02.1994
ClassificationIPC:G01N15/08
[1994/01]
CPC:
C09K8/58 (EP,US); C09K8/62 (EP,US); C09K8/703 (EP,US);
C09K8/72 (EP,US); C09K8/82 (EP,US); C09K8/94 (EP,US);
E21B43/006 (EP,US); G01N15/08 (EP,US); G01N33/241 (EP,US) (-)
Designated contracting statesDE,   FR,   GB,   IT,   NL [1994/01]
TitleGerman:Verfahren zum Prüfen von unterirdischen Formationen niedriger Durchlässigkeit[1994/01]
English:Low permeability subterranean formation testing method[1994/01]
French:Méthode pour tester de formations souterraines à faible perméabilité[1994/01]
File destroyed:03.03.2001
Examination procedure18.05.1994Examination requested  [1994/29]
13.02.1995Application withdrawn by applicant  [1995/14]
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Documents cited:Search[Y]US4253327  (WILEY BRUCE F) [Y] 1,3,4,6-8 * abstract * * column 1, line 25 - line 68 * * column 3, line 29 - line 43 * * column 4, line 31 - line 35 * * column 4, line 51 - column 5, line 38 *;
 [Y]US2867116  (ARONOFSKY JULIUS S, et al) [Y] 1,3,4,6-8 * column 1, line 29 - line 48 *;
 [A]GB2127559  (CORE LAB INC) [A] 1,4,9 * abstract * * page 1, line 1 - page 2, line 28 *;
 [A]DE1063832  (WALDHOF ZELLSTOFF FAB) [A] 2,5 * column 4, line 43 - line 50 *;
 [A]US4148217  (ENGLE CHARLES J) [A] 3,6,7 * column 3, line 39 - line 44; claim 1 *
 [A]  - D. TRIMMER, "Laboratory measurement of ultralow permeability of geological materials", REVIEW OF SCIENTIFIC INSTRUMENTS, NEW YORK US, (198208), vol. 53, no. 8, pages 1246 - 1254 [A] 1,4 * page 1246, column R, paragraph 2 - page 1247, column R, paragraph 1 *
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.