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An Annular Barrier With An Expansion Detection Device
Abstract: The present invention relates to an annular barrier (1) to be expanded in an annulus (2) between a well tubular structure and an inside wall (4) of a borehole (5) downhole comprising a tubular part for mounting as part of the well tubular structure said tubular part (6) having a longitudinal axis; an expandable sleeve (7) surrounding the tubular part and having an outer face (8) each end (9 10) of the expandable sleeve being fastened to the tubular part by means of a connection part (12) where one of the connection parts is a sliding connection part sliding in relation to the tubular part when the expandable sleeve is expanded; an annular barrier space (13) between the tubular part and the expandable sleeve; an aperture (11) in the tubular part for letting fluid into the annular barrier space to expand the sleeve; and an activatable shut off valve (14) having an open and a closed position and arranged in the aperture wherein the annular barrier further comprises a detection device (20) for detecting when the expandable sleeve has been expanded into a contact position and wherein the detection device is adapted to provide a signal to activate the shut off valve to bring the shut off valve from the open to the closed position when detecting that the expandable sleeve is in the contact position. Furthermore the invention relates to a downhole system comprising a plurality of annular barriers according to the invention and to a method for expanding an annular barrier.
Notices, Deadlines & Correspondence
Patent Information
Applicants
WELLTEC A/S
Inventors
1. HALLUNDBÆK Jørgen
2. HAZEL Paul
Specification
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 5162-CHENP-2010 FORM-3 26-05-2014.pdf | 2014-05-26 |
| 2 | 5162-CHENP-2010 CORRESPONDENCE OTHERS 26-05-2014.pdf | 2014-05-26 |
| 3 | WELLTECH AS.pdf | 2014-07-07 |
| 4 | OTHERS.pdf | 2014-07-07 |
| 5 | Form 5.pdf | 2014-07-07 |
| 6 | Form 3.pdf | 2014-07-07 |
| 7 | CLAIMS.pdf | 2014-07-07 |
| 8 | 5162-CHENP-2014.pdf | 2014-07-18 |
| 9 | 5162-CHENP-2014 FORM-3 05-01-2015.pdf | 2015-01-05 |
| 10 | 5162-CHENP-2014 CORRESPONDENCE OTHERS 05-01-2015.pdf | 2015-01-05 |
| 11 | abstract 5162-CHENP-2014.jpg | 2015-02-25 |
| 12 | 5162-CHENP-2014-PA [09-11-2018(online)].pdf | 2018-11-09 |
| 13 | 5162-CHENP-2014-ASSIGNMENT DOCUMENTS [09-11-2018(online)].pdf | 2018-11-09 |
| 14 | 5162-CHENP-2014-8(i)-Substitution-Change Of Applicant - Form 6 [09-11-2018(online)].pdf | 2018-11-09 |
| 15 | Correspondence by Agent_Assignment_PA_13-11-2018.pdf | 2018-11-13 |
| 16 | 5162-CHENP-2014-FER.pdf | 2019-03-25 |
| 17 | 5162-CHENP-2014-RELEVANT DOCUMENTS [12-04-2019(online)].pdf | 2019-04-12 |
| 18 | 5162-CHENP-2014-FORM 13 [12-04-2019(online)].pdf | 2019-04-12 |
| 19 | 5162-CHENP-2014-Response to office action (Mandatory) [10-05-2019(online)].pdf | 2019-05-10 |
| 20 | 5162-CHENP-2014-OTHERS [20-09-2019(online)].pdf | 2019-09-20 |
| 21 | 5162-CHENP-2014-Information under section 8(2) (MANDATORY) [20-09-2019(online)].pdf | 2019-09-20 |
| 22 | 5162-CHENP-2014-FORM 3 [20-09-2019(online)].pdf | 2019-09-20 |
| 23 | 5162-CHENP-2014-FER_SER_REPLY [20-09-2019(online)].pdf | 2019-09-20 |
| 24 | 5162-CHENP-2014-DRAWING [20-09-2019(online)].pdf | 2019-09-20 |
| 25 | 5162-CHENP-2014-CLAIMS [20-09-2019(online)].pdf | 2019-09-20 |
| 26 | 5162-CHENP-2014-ABSTRACT [20-09-2019(online)].pdf | 2019-09-20 |
| 27 | 5162-CHENP-2014-FORM 3 [03-03-2020(online)].pdf | 2020-03-03 |
| 28 | 5162-CHENP-2014-PatentCertificate11-08-2021.pdf | 2021-08-11 |
| 29 | 5162-CHENP-2014-IntimationOfGrant11-08-2021.pdf | 2021-08-11 |
Search Strategy
| 1 | 5162_chenp_2014SearchStrategy_04-10-2018.pdf |