EP 2764207 A4 20150909 - WELLBORE INFLUX DETECTION WITH DRILL STRING DISTRIBUTED MEASUREMENTS
Title (en)
WELLBORE INFLUX DETECTION WITH DRILL STRING DISTRIBUTED MEASUREMENTS
Title (de)
BOHRLOCHZUSTROMERKENNUNG MIT VERTEILTEN BOHRSTRANGMESSUNGEN
Title (fr)
DÉTECTION DE FLUX D'ENTRÉE DE PUITS DE FORAGE COMPRENANT MESURES DE TRAIN DE TIGES DE FORAGE DISTRIBUÉES
Publication
Application
Priority
- US 201161545188 P 20111009
- US 2012059402 W 20121009
Abstract (en)
[origin: US2013087388A1] A method for detecting a wellbore influx with drill string distributed measurements includes obtaining a first annular measurement from a first sensor disposed on a drill string. The method also includes obtaining a second annular measurement from a second sensor disposed on the drill string and computing a gradient of a first interval defined by the first and second sensors. Finally, the method includes detecting a wellbore influx based on the gradient and the first and second annular measurements.
IPC 8 full level
E21B 47/01 (2012.01); E21B 21/08 (2006.01); E21B 47/008 (2012.01)
CPC (source: EP US)
E21B 47/06 (2013.01 - EP US); E21B 47/10 (2013.01 - EP US)
Citation (search report)
- [XYI] WO 9900575 A2 19990107 - BAKER HUGHES INC [US]
- [XYI] US 2005194184 A1 20050908 - GLEITMAN DANIEL D [US]
- [Y] US 2005284663 A1 20051229 - HALL DAVID R [US], et al
- See references of WO 2013055706A1
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
DOCDB simple family (publication)
US 2013087388 A1 20130411; EP 2764207 A1 20140813; EP 2764207 A4 20150909; WO 2013055706 A1 20130418
DOCDB simple family (application)
US 201213648231 A 20121009; EP 12840795 A 20121009; US 2012059402 W 20121009