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International application No. Applicant's or agent's file reference
PCT/IB2019/059442 T-10970
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
04 November 2019 28 November 2018
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.

A method is described for automated post-geosteering including receiving a pilot well log and a lateral well log with an initial lateral well path (10); performing automated post-geosteering to generate a corrected well path image; and displaying the corrected well path image (14) on a graphical display. The method may be executed by a computer system.

6. Drawings
The figure of the drawings to be published with the abstract is Figure No.     1    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
none of the figures is to be published with the abstract.


     E21B 7/04 (2006.01)i; E21B 44/00 (2006.01)i; E21B 47/024 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
EPO-Internal, WPI Data


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
WO 2017116436 A1 (LANDMARK GRAPHICS CORP [US]) 06 July 2017 (2017-07-06)
paragraphs [0001], [0059] - [0073], [0084]; figures 1-7
US 2017081953 A1 (BENSON TODD W [US] ET AL) 23 March 2017 (2017-03-23)
paragraphs [0004], [0061], [0144], [0173], [0178] - [0184]; figures 1, 40
US 10012028 B2 (LANDMARK GRAPHICS CORP [US]) 03 July 2018 (2018-07-03)
column 8, line 66 - column 10, line 24; figures 1-6
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
document cited by the applicant in the international application
earlier application or patent but published on or after the international filing date
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
document member of the same patent family


Patent document cited in search report Publication date
Patent family member(s) Publication date
WO 2017116436 A1
06 July 2017
AU 2015419230 A1
CA 3005827 A1
EP 3397836 A1
US 2018334896 A1
WO 2017116436 A1
07 June 2018
06 July 2017
07 November 2018
22 November 2018
06 July 2017
US 2017081953 A1
23 March 2017
US 2017081953 A1
US 2017152739 A1
23 March 2017
01 June 2017
US 10012028 B2
03 July 2018
AR 093475 A1
AU 2012394434 A1
AU 2017200089 A1
BR 112015009680 A2
CA 2888037 A1
CN 104854555 A
EP 2895950 A1
NO 2895950 T3
RU 2015116535 A
SG 11201502922Y A
US 2015292266 A1
WO 2014077799 A1
10 June 2015
30 April 2015
02 February 2017
04 July 2017
22 May 2014
19 August 2015
22 July 2015
07 July 2018
10 January 2017
28 May 2015
15 October 2015
22 May 2014
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
04 December 2019
Date of mailing of the international search report:
13 December 2019
Authorized officer:
Jucker, Chava
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