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1. WO2017097945 - SAFETY SYSTEM FOR OVERRIDING HYDROCARBON CONTROL MODULE


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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/EP2016/080351 P239006WO
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
08 December 2016 08 December 2015
Applicant
AKER SOLUTIONS AS
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
This International Searching Authority found multiple inventions in this international application, as follows:
1. claims: 1-15, 19-25, 27-34, 36
A workover safety system configured to override a workover control module arranged to actuate a component of a hydrocarbon production apparatus, the workover control module comprising: a hydraulic input configured to receive the fluid from source and a hydraulic output configured to deliver the received fluid to the component, the workover safety system comprising: a trigger input configured to receive a trigger signal, and at least one override valve in a series connection between at least one of the hydraulic input of the workover control module and the corresponding fluid source of the workover control module, and the hydraulic output of the workover control module and the component, the safety system configured to close the at least one override valve upon receipt of the trigger signal to prevent the hydraulic fluid being delivered to the component.
2. claims: 16-18, 26, 35
A power management system comprising: a trigger input; a logic device coupled to the trigger input; a power supply coupled to the logic device, and a switch, coupled to the logic device and power supply, the switch operable by the logic device to switch between: a monitoring condition, in which the power supply is not connected to the valve, and an override condition, in which the power supply is connected to the valve; the logic device configured to perform a method comprising: measuring a parameter characterizing an electrical circuit including the power line and valve;calculating a topside voltage expected to result in a desired voltage at the valve when delivered via the umbilical, the desired voltage sufficient to actuate the valve; and transmitting the calculated topside voltage to the power supply.
1.
As all required additional search fees were timely paid by the applicant, this international search report covers all searchable claims.
2.
As all searchable claims could be searched without effort justifying additional fees, this Authority did not invite payment of additional fees.
3.
As only some of the required additional search fees were timely paid by the applicant, this international search report covers only those claims for which fees were paid, specifically claims Nos.:
4.
No required additional search fees were timely paid by the applicant. Consequently, this international search report is restricted to the invention first mentioned in the claims; it is covered by claims Nos.:
Remark on Protest
The additional search fees were accompanied by the applicant’s protest and, where applicable, the payment of a protest fee.
The additional search fees were accompanied by the applicant’s protest but the applicable protest fee was not paid within the time limit specified in the invitation.
No protest accompanied the payment of additional search fees.
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. ____________
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 33/035 (2006.01)i; E21B 34/16 (2006.01)i; E21B 44/00 (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):
     E21B
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
US 4174000 A (MILBERGER LIONEL J [US]) 13 November 1979 (1979-11-13)
1-15,17,19-25,27-30,32-34,36
Y
figure 2
26,35
(2)
X
US 4662603 A (ETHERIDGE REGGIE H [US]) 05 May 1987 (1987-05-05)
1
figure 5
(3)
Y
US 4052703 A (COLLINS SR JERRY ALAN ET AL) 04 October 1977 (1977-10-04)
16-18,26,35
columns 2, 5 - columns 6, 7; figures 1, 2, 4
(4)
Y
WO 2011094084 A2 (HALLIBURTON ENERGY SERV INC [US]; SCOTT BRUCE EDWARD [US]; GOIFFON JOH) 04 August 2011 (2011-08-04)
16-18,26,35
paragraph [0054]; figure 6
(5)
A
WO 2015028651 A2 (BIESTER KLAUS [DE]; KUNOW PETER [DE]) 05 March 2015 (2015-03-05)
1-4,7-13,15,19-22,25,27-30,32,34,36
the whole document
(6)
A
FR 2574849 A1 (ELF AQUITAINE [FR]) 20 June 1986 (1986-06-20)
1-4,7-13,15,19-22,25,27-30,32,34,36
the whole document
(7)
A
US 2014102712 A1 (GUTIERREZ JOSE [US] ET AL) 17 April 2014 (2014-04-17)
16-18,26,35
paragraphs [0005], [0006], [0039], [0002], [0054], [0055]; figure 7B
*
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 4174000 A
13 November 1979
NONE
US 4662603 A
05 May 1987
NONE
US 4052703 A
04 October 1977
NONE
WO 2011094084 A2
04 August 2011
BR 112012018821 A2
EP 2529078 A2
RU 2012135414 A
US 2011186303 A1
US 2013248203 A1
WO 2011094084 A2
12 April 2016
05 December 2012
10 March 2014
04 August 2011
26 September 2013
04 August 2011
WO 2015028651 A2
05 March 2015
DE 102013217383 A1
EP 3039226 A2
US 2016201423 A1
WO 2015028651 A2
19 March 2015
06 July 2016
14 July 2016
05 March 2015
FR 2574849 A1
20 June 1986
NONE
US 2014102712 A1
17 April 2014
AU 2013331309 A1
AU 2013331312 A1
CA 2888251 A1
CA 2888254 A1
CN 105051324 A
CN 105051325 A
EA 201590739 A1
EA 201590740 A1
EP 2909435 A1
EP 2909436 A1
JP 2016501999 A
JP 2016503844 A
KR 20150097473 A
KR 20150102954 A
SG 11201503028U A
SG 11201503029Y A
US 2014102712 A1
US 2014102713 A1
WO 2014062855 A1
WO 2014062858 A1
04 June 2015
04 June 2015
24 April 2014
24 April 2014
11 November 2015
11 November 2015
30 September 2015
30 September 2015
26 August 2015
26 August 2015
21 January 2016
08 February 2016
26 August 2015
09 September 2015
28 May 2015
28 May 2015
17 April 2014
17 April 2014
24 April 2014
24 April 2014
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:
05 May 2017
Date of mailing of the international search report:
15 May 2017
Authorized officer:
Patrascu, Bogdan
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