Oil and gas riser spider with low frequency antenna apparatus and method

Details for Australian Patent Application No. 2011200754 (hide)

Owner Vetco Gray Inc.

Inventors Patricia, Mackenzie; Guzzo, Judith Ann; Derose, Lynn Ann; Good, Brandon Stephen

Agent Phillips Ormonde Fitzpatrick

Pub. Number AU-A-2011200754

Priority 12/710,707 23.02.10 US

Filing date 22 February 2011

Wipo publication date 8 September 2011

International Classifications

E21B 44/00 (2006.01) Automatic control

E21B 19/10 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

H01Q 7/00 (2006.01) Loop aerials with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop

Event Publications

10 March 2011 Complete Application Filed

  Priority application(s): 12/710,707 23.02.10 US

8 September 2011 Application Open to Public Inspection

  Published as AU-A-2011200754

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