EP 0980958 A3 20010214 - Measuring device for determining the alignment and the trajectory of a drill string
Title (en)
Measuring device for determining the alignment and the trajectory of a drill string
Title (de)
Messvorrichtung zum Bestimmen der Ausrichtung und des Verlaufs eines Bohrgestänges
Title (fr)
Dispositif de mesure pour déterminer l'alignement et la trajectoire d'une tige de forage
Publication
Application
Priority
DE 19837546 A 19980819
Abstract (en)
[origin: EP0980958A2] The arrangement has several inclinometer sensors (6) distributed over the length of the drill rod (4) and arranged at defined points on the drill rod, an evaluation unit for the measurement data acquired by the inclinometer sensors and an arrangement for transferring the measurement data to the evaluation unit.
IPC 1-7
IPC 8 full level
E21B 47/022 (2006.01); E02D 1/00 (2006.01); E02D 3/12 (2006.01)
CPC (source: EP)
E21B 47/022 (2013.01); E02D 1/00 (2013.01); E02D 3/12 (2013.01)
Citation (search report)
- [XY] EP 0857855 A1 19980812 - HALLIBURTON ENERGY SERV INC [US]
- [Y] GB 2052757 A 19810128 - TRENDOR PTY LTD
- [Y] US 4734860 A 19880329 - EGLI WERNER H [US], et al
- [Y] DE 19521639 A1 19960502 - BILFINGER BERGER BAU [DE]
- [A] DE 3304462 A1 19830818 - DICKINSON BEN WADE O III [US]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0980958 A2 20000223; EP 0980958 A3 20010214; DE 19837546 A1 20000302; DE 19837546 C2 20010726
DOCDB simple family (application)
EP 99115943 A 19990813; DE 19837546 A 19980819