Apparatus and method for modified horizontal directional drilling assembly

Details for Australian Patent Application No. 2005244146 (hide)

Owner Astec Industries, Inc.

Inventors Riel, William G.

Agent Watermark

Pub. Number AU-B-2005244146

PCT Pub. Number WO2005/110020

Priority 60/567,145 30.04.04 US

Filing date 28 April 2005

Wipo publication date 24 November 2005

Acceptance publication date 18 February 2010

International Classifications

E21B 7/04 (2006.01) Special methods or apparatus for drilling - Directional drilling

E21B 3/02 (2006.01) Rotary drilling

E21B 7/02 (2006.01) Special methods or apparatus for drilling - Drilling rigs characterised by means for land transport, e.g. skid mounting or wheel mounting

E21B 15/00 (2006.01) Other equipment or details for drilling

E21B 15/04 (2006.01) Other equipment or details for drilling

E21B 19/15 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 19/16 (2006.01) Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick

E21B 21/00 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

Event Publications

16 November 2006 PCT application entered the National Phase

  PCT publication WO2005/110020 Priority application(s): WO2005/110020

18 February 2010 Application Accepted

  Published as AU-B-2005244146

17 June 2010 Standard Patent Sealed

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