EP 1549820 B1 20061108 - APPARATUS AND METHOD FOR TRANSMITTING A SIGNAL IN A WELLBORE
Title (en)
APPARATUS AND METHOD FOR TRANSMITTING A SIGNAL IN A WELLBORE
Title (de)
VORRICHTUNG UND VERFAHREN ZUR ÜBERTRAGUNG EINES SIGNALS IM BOHRLOCH
Title (fr)
APPAREIL ET PROCEDE DE TRANSMISSION D'UN SIGNAL DANS UN PUITS DE FORAGE
Publication
Application
Priority
- GB 0304417 W 20031010
- US 41752502 P 20021010
- US 42005202 P 20021021
- US 42038102 P 20021022
- US 44299203 P 20030128
Abstract (en)
[origin: WO2004033847A1] An apparatus for transmitting a signal from deep in a wellbore through a string of tubulars, preferably drill pipe, the apparatus comprising an signal conductor and a tubular characterised in that said signal conductor is located adjacent an interior surface of the tubular, preferably drill pipe section. A transmission apparatus for transmitting a signal from deep in a wellbore through a string of tubulars, preferably drill pipe, the apparatus comprising an electrical conductor arranged in a tubular, preferably drill pipe section characterised in that the apparatus further comprises an amplifier-repeater.
IPC 8 full level
E21B 17/00 (2006.01); E21B 17/02 (2006.01); E21B 47/12 (2012.01)
CPC (source: EP US)
E21B 17/003 (2013.01 - EP US); E21B 17/0285 (2020.05 - EP US); E21B 41/0085 (2013.01 - EP US); E21B 47/12 (2013.01 - EP US); E21B 47/13 (2020.05 - EP US)
Designated contracting state (EPC)
FR GB
DOCDB simple family (publication)
WO 2004033847 A1 20040422; AU 2003274318 A1 20040504; AU 2003274318 A8 20040504; CA 2499331 A1 20040422; EP 1549820 A1 20050706; EP 1549820 B1 20061108; NO 20051943 D0 20050421; NO 20051943 L 20050704; US 2006151179 A1 20060713
DOCDB simple family (application)
GB 0304417 W 20031010; AU 2003274318 A 20031010; CA 2499331 A 20031010; EP 03758307 A 20031010; NO 20051943 A 20050421; US 53027005 A 20050801