GPI coverage and content

You can use Global Patent Index (GPI) to carry out detailed searches in the EPO's worldwide bibliographic (DOCDB), legal event (INPADOC) and full-text data sets, and download or visualise the search results for statistical analysis.

Current content: 159 515 718 patent documents

This week's update (01/11/2024 12:00 CET):

154 531 new documents added

1 078 520 documents amended

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EP 2971492 A2 20160120 - METHOD FOR DETERMINING A POSITION OF A WATER/CEMENT BOUNDARY BETWEEN PIPES IN A HYDROCARBON WELL

Title (en)

METHOD FOR DETERMINING A POSITION OF A WATER/CEMENT BOUNDARY BETWEEN PIPES IN A HYDROCARBON WELL

Title (de)

VERFAHREN ZUR BESTIMMUNG EINER POSITION EINER WASSER-/ZEMENTGRENZE ZWISCHEN ROHREN IN EINEM KOHLENWASSERSTOFFBOHRLOCH

Title (fr)

PROCÉDÉ DE DÉTERMINATION D'UNE POSITION D'UNE LIMITE EAU/CIMENT ENTRE DES TUYAUX DANS UN PUITS D'HYDROCARBURES

Publication

EP 2971492 A2 20160120 (EN)

Application

EP 14710316 A 20140317

Priority

EP 2013055407 W 20130315
NO 20130571 A 20130425
EP 2014055285 W 20140317
EP 14710316 A 20140317

IPC 8 full level

E21B 47/00 (2012.01)

CPC (source: EP)

E21B 47/005 (2020.05)

Citation (search report)

See references of WO 2014140363A2

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

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 2971492 A2 20160120

DOCDB simple family (application)

EP 14710316 A 20140317