EP 3940191 A1 20220119 - MACHINE AND METHOD FOR UNDERWATER SOUNDINGS
Title (en)
MACHINE AND METHOD FOR UNDERWATER SOUNDINGS
Title (de)
MASCHINE UND VERFAHREN FÜR UNTERWASSERSONDIERUNGEN
Title (fr)
MACHINE ET PROCÉDÉ POUR LES SONDAGES SOUS-MARINS
Publication
Application
Priority
ES 202030648 A 20200629
Abstract (en)
The machine for underwater soundings comprises a drilling turret (1), a hose (9) for injection of water under pressure, a core barrel (11) for taking samples, and a casing pipe (10) that surrounds said core barrel. (11), and also comprises a rotating head (7) and jaws (12, 13) for joining and separating sections of the casing pipe (10).The procedure for underwater soundings comprises lowering a drilling turret (1), a first section of the casing pipe (10) and a core barrel (11); initiating a drilling operation; recovering the hose (9); lowering a second section of the casing pipe (10); screwing the second section of the casing pipe (10) to the first section of the casing pipe (10); and continuing with the drilling operation an additional length, and recovering the core barrel (11) with the sample.
IPC 8 full level
E21B 3/02 (2006.01); E21B 7/124 (2006.01); E21B 7/128 (2006.01); E21B 15/02 (2006.01); E21B 19/16 (2006.01); E21B 25/18 (2006.01)
CPC (source: EP ES)
E21B 3/022 (2020.05 - EP); E21B 7/124 (2013.01 - EP ES); E21B 7/128 (2013.01 - EP); E21B 15/02 (2013.01 - EP); E21B 19/16 (2013.01 - EP); E21B 19/18 (2013.01 - ES); E21B 25/18 (2013.01 - EP)
Citation (search report)
- [XI] WO 2019226913 A1 20191128 - BENTHIC USA LLC [US]
- [X] US 2020131853 A1 20200430 - WAN BUYAN [CN], et al
- [X] US 2017152719 A1 20170601 - FINKENZELLER STEFAN MICHAEL [DE], et al
- [X] US 4043407 A 19770823 - WILKINS JOHN WILLIAM [GB]
- [X] WO 2017108098 A1 20170629 - CONTROL Y PROSPECCIONES IGEOTEST S L [ES]
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)
DOCDB simple family (application)
EP 21382568 A 20210628; ES 202030648 A 20200629