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1. WO2020153945 - METHOD OF TREATING SUBTERRANEAN FORMATIONS WITH COMPOSITES HAVING ENHANCED STRENGTH

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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
PATENT COOPERATION TREATY
PCT
INTERNATIONAL SEARCH REPORT
( PCT Article 18 and Rules 43 and 44)
International application No. Applicant's or agent's file reference
PCT/US2019/014603 40200-WO
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
22 January 2019
Applicant
BAKER HUGHES, A GE COMPANY, LLC
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
PART 1
PCT/US2019/014603
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.     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.
b.
none of the figures is to be published with the abstract.
PART 2
PCT/US2019/014603

A. CLASSIFICATION OF SUBJECT MATTER

     C09K 8/80 (2006.01)i; E21B 43/267 (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):
     C09K
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

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
WO 2018164663 A1 (HALLIBURTON ENERGY SERVICES INC [US]) 13 September 2018 (2018-09-13)
1-32,34-56
whole document - but see in particular the example & Table 1
(2)
A
WO 2012055028 A1 (GEOPROPPANTS INC [CA]; URBANEK THOMAS [CA]) 03 May 2012 (2012-05-03)
1
page 6, line 21 - line 26; claim 9
(3)
X
US 2017073576 A1 (BESTAOUI-SPURR NAIMA [US] ET AL) 16 March 2017 (2017-03-16)
33
whole document - but see para. [0030]-[0049]; tables I & II; the claims
(4)
A
US 5798307 A (DAVIDOVITS JOSEPH [FR] ET AL) 25 August 1998 (1998-08-25)
1,7-10
col. 1, l.11-54; table 1
(5)
A
US 5342595 A (DAVIDOVITS JOSEPH [FR] ET AL) 30 August 1994 (1994-08-30)
1,7-10
col. 7, l. 32-37
(6)
A
US 4432798 A (HELFERICH RICHARD L [US] ET AL) 21 February 1984 (1984-02-21)
1,7-10
table II
(7)
A
US 2016153274 A1 (HULL KATHERINE L [US] ET AL) 02 June 2016 (2016-06-02)
1
paragraph [0028] - paragraph [0029]
(8)
A
EP 3296278 A1 (HEIDELBERGCEMENT AG [DE]) 21 March 2018 (2018-03-21)
1
the whole document
*
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)
WO 2018164663 A1
13 September 2018
NONE
WO 2012055028 A1
03 May 2012
CA 2816351 A1
US 2013274153 A1
WO 2012055028 A1
03 May 2012
17 October 2013
03 May 2012
US 2017073576 A1
16 March 2017
NONE
US 5798307 A
25 August 1998
AT 183988 T
AU 5112496 A
DE 69604058 D1
DE 69604058 T2
EP 0815064 A1
FR 2731697 A1
JP 4160114 B2
JP H11504611 A
US 5798307 A
WO 9628398 A1
15 September 1999
02 October 1996
07 October 1999
26 October 2000
07 January 1998
20 September 1996
01 October 2008
27 April 1999
25 August 1998
19 September 1996
US 5342595 A
30 August 1994
DE 69105958 D1
DE 69105958 T2
EP 0518980 A1
US 5342595 A
WO 9113830 A1
26 January 1995
10 August 1995
23 December 1992
30 August 1994
19 September 1991
US 4432798 A
21 February 1984
NONE
US 2016153274 A1
02 June 2016
US 2016153274 A1
WO 2016089813 A1
02 June 2016
09 June 2016
EP 3296278 A1
21 March 2018
EP 3296278 A1
WO 2018050633 A1
21 March 2018
22 March 2018
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Netherlands
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
27 September 2019
Date of mailing of the international search report:
09 October 2019
Authorized officer:
Munro, Brian
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