Global Patent Index - EP 2635771 A1

EP 2635771 A1 2013-09-11 - LEAK DETECTION AND EARLY WARNING SYSTEM FOR CAPPED OR ABANDONED SUBSEA WELLHEADS

Title (en)

LEAK DETECTION AND EARLY WARNING SYSTEM FOR CAPPED OR ABANDONED SUBSEA WELLHEADS

Title (de)

LECKDETEKTION UND FRÜHWARNSYSTEM FÜR VERSCHLOSSENE ODER AUFGELASSENE UNTERWASSERBOHRLÖCHER

Title (fr)

SYSTÈME DE DÉTECTION DE FUITE ET D'ALERTE RAPIDE DESTINÉ À DES TÊTES DE PUITS SOUS-MARINES PARÉES OU ABANDONNÉES

Publication

EP 2635771 A1 (EN)

Application

EP 11820599 A

Priority

  • US 37632610 P
  • US 2011048974 W

Abstract (en)

[origin: WO2012027476A1] A method and apparatus for acoustic detection of potential and actual leaks in pipelines, particularly in subsea valves and wellheads in the oil and gas industry via broadband acoustic emissions sensors, and a means for communicating the existence, location and severity of said leaks via an electronic signal processor to above-sea monitoring facilities via cellular or other means in a quick and efficient manner.

IPC 8 full level (invention and additional information)

E21B 47/10 (2012.01)

CPC (invention and additional information)

E21B 47/0001 (2013.01); G01M 3/243 (2013.01); G01N 29/14 (2013.01); G01N 29/225 (2013.01); G01N 29/2481 (2013.01); G01N 29/265 (2013.01); H04Q 9/00 (2013.01); H04Q 2209/886 (2013.01)

Citation (search report)

See references of WO 2012027476A1

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

EPO simple patent family

WO 2012027476 A1 20120301; WO 2012027476 A4 20120426; EP 2635771 A1 20130911

INPADOC legal status


2016-10-26 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20160301

2013-11-27 [DAX] REQUEST FOR EXTENSION OF THE EUROPEAN PATENT (TO ANY COUNTRY) DELETED

2013-09-11 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20130606

2013-09-11 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR