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1. WO2020117230 - IMPROVED DENSITY AICD USING A VALVE


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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/US2018/064082 1560--106300
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
05 December 2018
Applicant
HALLIBURTON ENERGY SERVICES, INC.
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)).
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)).
c.
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
a.
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.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     E21B 43/12 (2006.01)i; E21B 34/08 (2006.01)i; F16K 31/12 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

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 models
Japanese 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: flow control device, float, rotate, density, regulatory valve, piston, fluid restrictor

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
A
US 2014-0041731 A1 (HALLIBURTON ENERGY SERVICES, INC.) 13 February 2014 See paragraphs [0070]-[0071] and figure 13.
1-20
(2)
A
US 2016-0061004 A1 (SCHLUMBERGER TECHNOLOGY CORPORATION) 03 March 2016 See paragraphs [0029], [0030], [0035] and figures 2, 3, 7.
1-20
(3)
A
US 2013-0220633 A1 (HALLIBURTON ENERGY SERVICES, INC.) 29 August 2013 See paragraphs [0030], [0031] and figures 3A, 3B.
1-20
(4)
A
US 2006-0076150 A1 (CORONADO et al.) 13 April 2006 See paragraphs [0032], [0033] and figures 3A, 3B.
1-20
(5)
A
US 2013-0092393 A1 (DYKSTRA et al.) 18 April 2013 See paragraphs [0044]-[0048] and figures 2, 3.
1-20
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"D"
document cited by the applicant in the international application
"E"
earlier application or patent but published on or after the international filing date
"L"
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)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
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
"X"
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
"Y"
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

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
US 2014-0041731 A1
13 February 2014
AU 2011-380912 A1
AU 2011-380912 B2
AU 2011-380912 C1
BR 112013025789 A2
CA 2830959 A1
CA 2830959 C
CN 103732854 A
CN 103732854 B
EP 2675994 A1
EP 2675994 B1
MY 168323 A
NO 2675994 T3
SG 193326 A1
US 9453395 B2
WO 2013-070235 A1
19 September 2013
31 March 2016
01 September 2016
14 February 2017
16 May 2013
09 February 2016
16 April 2014
22 August 2017
25 December 2013
25 April 2018
30 October 2018
22 September 2018
30 October 2013
27 September 2016
16 May 2013
US 2016-0061004 A1
03 March 2016
AU 2015-308708 A1
CA 2959502 A1
EP 3194714 A1
US 9896906 B2
WO 2016-033459 A1
03 March 2016
03 March 2016
26 July 2017
20 February 2018
03 March 2016
US 2013-0220633 A1
29 August 2013
US 9234404 B2
WO 2013-130057 A1
12 January 2016
06 September 2013
US 2006-0076150 A1
13 April 2006
AU 2006-284971 A1
AU 2006-284971 B2
CA 2614645 A1
CA 2614645 C
GB 2441723 A
GB 2441723 B
NO 20080224 L
NO 338632 B1
US 2006-0113089 A1
US 2008-0035350 A1
US 7290606 B2
US 7409999 B2
US 7823645 B2
WO 2006-015277 A1
WO 2007-027617 A2
WO 2007-027617 A3
08 March 2007
16 December 2010
08 March 2007
23 November 2010
12 March 2008
16 December 2009
08 May 2008
19 September 2016
01 June 2006
14 February 2008
06 November 2007
12 August 2008
02 November 2010
09 February 2006
08 March 2007
28 June 2007
US 2013-0092393 A1
18 April 2013
AU 2011-201843 A1
AU 2011-201843 B2
AU 2016-201104 A1
AU 2016-201104 B2
BR PI1101999 A2
CA 2737998 A1
CA 2737998 C
CA 2813763 A1
CA 2813763 C
CN 102235162 A
CO 6360212 A1
EC SP11011015 A
EP 2383430 A2
EP 2383430 A3
EP 2383430 B1
EP 2672059 A1
EP 3239456 A1
MX 2011004309 A
MY 164525 A
RU 2011116682 A
RU 2558100 C2
SG 10201505950 A
SG 175542 A1
US 2011-0266001 A1
US 2013-0092381 A1
US 2013-0092382 A1
US 2013-0092392 A1
US 8616290 B2
US 8622136 B2
US 8708050 B2
US 8757266 B2
US 8985222 B2
17 November 2011
26 November 2015
10 March 2016
23 February 2017
16 April 2013
29 October 2011
03 November 2015
29 October 2011
02 February 2016
09 November 2011
20 January 2012
30 November 2011
02 November 2011
20 February 2013
05 July 2017
11 December 2013
01 November 2017
28 October 2011
29 December 2017
10 November 2012
27 July 2015
28 August 2015
28 November 2011
03 November 2011
18 April 2013
18 April 2013
18 April 2013
31 December 2013
07 January 2014
29 April 2014
24 June 2014
24 March 2015
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. +82-42-481-8578
Date of the actual completion of the international search:
03 September 2019
Date of mailing of the international search report:
04 September 2019
Authorized officer:
PARK, Tae Wook
Telephone No. +82-42-481-3405
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