Owner Shell Internationale Research Maatschappij B.V.

Inventors Messier, Margaret; Schoeling, Lanny; Watkins, Wade; Giandt, Carlos; Wellington, Scott L.; Veenstra, Peter; De Rouffignac, Eric; Carl, Fred G.; Zhang, Etuan; Madgavkar, Ajay M.; Karanikas, John M.; Roberts, Bruce; Keedy, Charlie R.; Crane, Steve; Sumni-Dindoruk, Meliha D.; Pratt, Kip; Van Hardeveld, Martijn; Fowler, Thomas D.; Coles, John M.; Lepper, Bruce; Mikus, Tom; Menotti, James L.; Ryan, Robert C.; Stegemeier, George L.; Hunsucker, Bruce G.; Bass, Ronald; Vinegar, Harold J.; Berchenko, Ilya E.; Shahin

Agent Spruson & Ferguson

Pub. Number AU-A-2009200992

Parent 2002257221

Filing date 12 March 2009

Wipo publication date 2 April 2009

G02B 5/18 (2006.01) Optical elements other than lenses - Diffracting gratings

E21B 43/243 (2006.01) Obtaining fluids from wells

E21B 43/247 (2006.01) Obtaining fluids from wells

E21B 43/30 (2006.01) Obtaining fluids from wells

G02B 5/32 (2006.01) Optical elements other than lenses - Holograms used as optical elements

G02B 6/124 (2006.01) Light guides - Geodesic lenses or integrated gratings

G02B 6/136 (2006.01) Light guides

G02B 6/293 (2006.01) Light guides - with wavelength selective means

G02B 6/12 (2006.01) Light guides - of the integrated circuit kind