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International application No. Applicant's or agent's file reference
PCT/US2015/034059 34197-00740
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
03 June 2015
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.
6. Drawings
The figure of the drawings to be published with the abstract is Figure No.     2    
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 47/01 (2012.01)i; E21B 47/12 (2012.01)i; E21B 47/13 (2012.01)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:
Korean utility models and applications for utility modelsJapanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: wellbore, activate, sensor, control, hanger, downhole-assembly, telemetry, and unit


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 6516663 B2 (WONG, ARNOLD J.) 11 February 2003 See column 1, lines 57-60; column 3, lines 10-43; and figures 1-3.
US 7954563 B2 (MOCK et al.) 07 June 2011 See column 5, line 28 - column 11, line 47; and figures 2-3.
US 7857052 B2 (GIROUX et al.) 28 December 2010 See abstract; column 2, line 8 - column 3, line 2; and figures 1-5.
US 2011-0205847 A1 (LEMENAGER, ERWANN) 25 August 2011 See abstract; paragraphs [0011]-[0026]; and figure 1.
US 6684953 B2 (SONNIER, JAMES A.) 03 February 2004 See abstract; column 2, line 37 - column 3, line 14; and figures 1-3.
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
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
US 6516663 B2
11 February 2003
CA 2439521 A1
GB 2392179 A
GB 2392179 B
US 2003-0000300 A1
WO 02-063138 A1
15 August 2002
25 February 2004
13 July 2005
02 January 2003
15 August 2002
US 7954563 B2
07 June 2011
US 7392859 B2
US 2010-0163251 A1
US 7607497 B2
US 2005-0247488 A1
US 2009-0008152 A1
WO 2005-090739 A1
01 July 2008
01 July 2010
27 October 2009
10 November 2005
08 January 2009
29 September 2005
US 7857052 B2
28 December 2010
CA 2651966 A1
GB 2451784 B
GB 2451784 A
NO 20084777 A
US 2007-0261850 A1
WO 2007-134255 A2
22 November 2007
01 June 2011
11 February 2009
02 February 2009
15 November 2007
22 November 2007
US 2011-0205847 A1
25 August 2011
EP 2157278 A1
WO 2010-020354 A1
24 February 2010
25 February 2010
US 6684953 B2
03 February 2004
AU 785413 B2
AU 1194002 A
AU 2002-11940 A1
AU 2002-11940 B2
CA 2368915 A1
GB 2375556 A
GB 2375556 B
NO 323125 B1
NO 20020316 A
US 2002-0096325 A1
03 May 2007
25 July 2002
25 July 2002
03 May 2007
22 July 2002
20 November 2002
06 July 2005
08 January 2007
23 July 2002
25 July 2002
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-472-7140
Date of the actual completion of the international search:
26 February 2016
Date of mailing of the international search report:
26 February 2016
Authorized officer:
HWANG, Chan Yoon
Telephone No. +82-42-481-3347
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