Owner Halliburton Energy Services, Inc.

Inventors Gleitman, Dan; Palmer, Anthony Vann; Terry, James B.; Wilson, John M.; Walker, Colin; Gaynor, Thomas M.; Zamora, Frank; Chen, Chen-Kang David; Berryhill, Denise; Boulton, Roger; Weaver, Jimmie D.; Wylie, Glenda; Brothers, Lance Everett; Eoff, Larry S.; Murali, Beegamudre N.; Fitsgerald, Russell M.; Rao, Vikram M.; Hardin, John; Reddy, Baireddy R.; Culotta, Anne M.

Agent Pizzeys

Pub. Number AU-B-2009201056

Parent 2002361632

Filing date 17 March 2009

Wipo publication date 9 April 2009

Acceptance publication date 2 June 2011

E21B 7/00 (2006.01) Special methods or apparatus for drilling

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

E21B 7/20 (2006.01) Special methods or apparatus for drilling - Driving or forcing casings or pipes into boreholes, e.g. sinking

E21B 7/28 (2006.01) Special methods or apparatus for drilling

E21B 17/00 (2006.01) Drilling rods or pipes

E21B 29/00 (2006.01) Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

E21B 29/02 (2006.01) Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows

E21B 33/14 (2006.01) Sealing or packing boreholes or wells

E21B 43/10 (2006.01) Obtaining fluids from wells

E21B 47/02 (2006.01) Survey of boreholes or wells - Determining slope or direction

E21B 47/12 (2006.01) Survey of boreholes or wells - Means for transmitting measuring-signals from the well to the surface, e.g. for logging while drilling