blank Quick help
blank Maintenance news

Scheduled maintenance

Regular maintenance outages:
between 05.00 and 05.15 hrs CET (Monday to Sunday).

Other outages
Availability
Register Forum

2022.02.11

More...
blank News flashes

News flashes

New version of the European Patent Register - SPC information for Unitary Patents.

2024-03-06

More...
blank Related links

Extract from the Register of European Patents

EP About this file: EP0975851

EP0975851 - ACOUSTIC DATA LINK FOR DOWNHOLE MWD SYSTEM [Right-click to bookmark this link]
StatusThe application is deemed to be withdrawn
Status updated on  07.07.2006
Database last updated on 07.06.2024
Most recent event   Tooltip31.07.2009Change - representativepublished on 02.09.2009  [2009/36]
Applicant(s)For all designated states
HALLIBURTON ENERGY SERVICES, INC.
3100 Clinton Drive
Building 1, 6th Floor
Houston
Texas 77020 / US
[N/P]
Former [2000/05]For all designated states
Halliburton Energy Services, Inc.
3100 Clinton Drive, Building 1, 6th Floor
Houston, Texas 77020 / US
Inventor(s)01 / BIRCHAK, James, Robert
3902 Cypressdale
Spring, TX 77388 / US
02 / GARDNER, Clarence, Gerald
1919 Mistyvale Court
Richmond, TX 77469 / US
03 / YOO, Kwang
13911 Cedar Point Drive
Houston, TX 77070 / US
[2000/05]
Representative(s)Wain, Christopher Paul, et al
A.A. Thornton & Co. 235 High Holborn London
WC1V 7LE / GB
[2009/36]
Former [2000/05]Wain, Christopher Paul, et al
A.A. Thornton & Co. 235 High Holborn
London WC1V 7LE / GB
Application number, filing date98915587.414.04.1998
[2000/05]
WO1998US07550
Priority number, dateUS1997083758221.04.1997         Original published format: US 837582
[2000/05]
Filing languageEN
Procedural languageEN
PublicationType: A1 Application with search report
No.:WO9848140
Date:29.10.1998
Language:EN
[1998/43]
Type: A1 Application with search report 
No.:EP0975851
Date:02.02.2000
Language:EN
The application published by WIPO in one of the EPO official languages on 29.10.1998 takes the place of the publication of the European patent application.
[2000/05]
Search report(s)International search report - published on:US29.10.1998
(Supplementary) European search report - dispatched on:EP23.06.2004
ClassificationIPC:G01V1/36, G01V1/28, G01V1/48, E21B7/00, E21B47/16, E21B47/18
[2005/43]
CPC:
E21B47/16 (EP,US); E21B47/14 (EP,US); E21B47/18 (EP,US);
E21B47/20 (EP,US)
Former IPC [2004/30]E21B7/00, E21B47/16, E21B47/18, G01V1/36, G01V1/28, G01V1/48
Former IPC [2002/12]E21B7/00, E21B47/16, E21B47/18
Former IPC [2000/05]E21B7/00
Designated contracting statesDE,   FR,   GB [2000/05]
TitleGerman:AKUSTISCHE DATENVERBINDUNG FÜR BOHRLOCHMESSUNGEN WÄHREND DES BOHRENS[2000/05]
English:ACOUSTIC DATA LINK FOR DOWNHOLE MWD SYSTEM[2000/05]
French:LIAISON DE DONNEES ACOUSTIQUES POUR TELEMETRIE DE FOND EN COURS DE FORAGE (MWD)[2000/05]
Entry into regional phase11.11.1999National basic fee paid 
11.11.1999Search fee paid 
11.11.1999Designation fee(s) paid 
11.11.1999Examination fee paid 
Examination procedure18.11.1998Request for preliminary examination filed
International Preliminary Examining Authority: US
12.11.1999Examination requested  [2000/05]
16.02.2005Despatch of a communication from the examining division (Time limit: M06)
26.08.2005Reply to a communication from the examining division
04.10.2005Communication of intention to grant the patent
15.02.2006Application deemed to be withdrawn, date of legal effect  [2006/32]
21.03.2006Despatch of communication that the application is deemed to be withdrawn, reason: fee for grant / fee for printing not paid in time  [2006/32]
Fees paidRenewal fee
13.04.2000Renewal fee patent year 03
12.04.2001Renewal fee patent year 04
08.04.2002Renewal fee patent year 05
07.04.2003Renewal fee patent year 06
06.04.2004Renewal fee patent year 07
04.04.2005Renewal fee patent year 08
27.03.2006Renewal fee patent year 09
Opt-out from the exclusive  Tooltip
competence of the Unified
Patent Court
See the Register of the Unified Patent Court for opt-out data
Responsibility for the accuracy, completeness or quality of the data displayed under the link provided lies entirely with the Unified Patent Court.
Documents cited:Search[XY]US4027282  (JETER JOHN DOISE) [X] 1,6 * column 1, line 56 - line 61 * * column 2, line 21 - line 25 * * column 5, line 14 - line 19 * * column 7, line 20 - line 26 * * column 8, line 65 - line 68 * [Y] 2-5,7,8;
 [YA]EP0679910  (ANADRILL INT SA [PA], et al) [Y] 2 * page 1, line 7 - line 10 * * page 8, line 38 - line 43; figure 3 * [A] 1;
 [Y]US5306980  (MONTGOMERY MELVIN [US]) [Y] 2-4,7,8 * column 15, line 15 * * column 8, line 42 - line 45; figures 11,14 *;
 [Y]EP0587405  (HALLIBURTON CO [US]) [Y] 5 * column 5, line 55 - column 6, line 6; figures 1-4 *;
 [A]US5568448  (TANIGUSHI RYOSUKE [JP], et al) [A] 4 * column 20, line 65; figure 33 *;
 [YA]GB2261308  (MARCONI GEC LTD [GB]) [Y] 10 * abstract * [A] 1,6;
 [A]US3588804  (FORT JACOB ROBERT) [A] 1,6 * the whole document *;
 [A]US5289354  (CLAYER FREDERIC [FR], et al) [A] 1,7 * abstract *;
 [Y]US4562557  (PARKS THOMAS W [US], et al) [Y] 9 * claim 1 *;
 [A]  - DOEBELIN, E.O., MEASUREMENT SYSTEMS Application and Design, MCGRAW-HILL, (1990), XP002280332 [A] 6 * page 180 - page 181 *
 [XY]  - WATKINS-JOHNSON COMPANY, "FSK: Signals and Demodulation", WJ TECH NOTES, vol. 7, no. 5, (198009), pages 1 - 13, URL: http://rfwireless.rell.com/pdfs/TN_WJfsk.pdf, (20040421), XP002280315 [X] 11 [Y] 10
 [A]  - INGRAM, J.D. ET AL., "Direct phase determination of S-wave velocities from acoustic waveform logs", GEOPHYSICS, (198501), vol. 50, no. 11, pages 1746 - 1755, XP002280316 [A] 9

DOI:   http://dx.doi.org/10.1190/1.1441864
 [Y]  - ANSTEY, N.A., "Correlation Techniques - A Review", GEOPHYSICAL PROSPECTING, (1964), vol. 12, pages 355 - 382, XP009029790 [Y] 9 * the whole document *
International search[A]US5448227  (ORBAN JACQUES [US], et al);
 [A]US5467832  (ORBAN JACQUES [US], et al);
 [A]US5517464  (LERNER DANIEL [US], et al)
 [X]  - "THE SONIC LOG", LOG INTERPRETATION - PRINCIPLES, XX, XX, XX, (19720101), pages 37 - 41 + 105, XP002912726
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.