Magnetic ranging and controlled earth borehole drilling

Details for Australian Patent Application No. 2009257916 (hide)

Owner SCHLUMBERGER TECHNOLOGY B. V.

Inventors Clark, Brian; Morley, Jan S.

Agent Griffith Hack

Pub. Number AU-A-2009257916

PCT Pub. Number WO2009/151835

Priority 12/139,320 13.06.08 US

Filing date 7 May 2009

Wipo publication date 17 December 2009

International Classifications

E21B 47/022 (2006.01) Survey of boreholes or wells

E21B 7/06 (2006.01) Special methods or apparatus for drilling

G01V 3/26 (2006.01) Electric or magnetic prospecting or detecting

G01V 3/38 (2006.01) Electric or magnetic prospecting or detecting - Processing data, e.g. for analysis, for interpretation or for correction

Event Publications

13 January 2011 PCT application entered the National Phase

  PCT publication WO2009/151835 Priority application(s): WO2009/151835

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