Applicator for spraying liquid chemical onto drill pipe

Details Applicator for spraying liquid chemical onto drill pipe Applicator for spraying liquid chemical onto drill pipe

B - Operations, Transporting

05

B

166/51.3, 32/22.

B05B 15/04 (2006.01) B05B 1/06 (2006.01) B05C 15/00 (2006.01) B05D 7/14 (2006.01) B05D 7/20 (2006.01) E21B 17/00 (2006.01) E21B 41/00 (2006.01) B05D 1/02 (2006.01)

Patent

CA 1176454

"APPLICATOR FOR SPRAYING LIQUID CHEMICAL ONTO DRILL PIPE" ABSTRACT OF THE DISCLOSURE The applicator is annular in configuration, having top and bottom walls formed of elastic material. The central openings through these walls are undersized, so that the walls seal around the string of pipe passing through the openings. The applicator is mounted on the string and is free to move laterally with it. Thus there is provided a free-floating, sealed, annular spray chamber mounted on the string and free to move laterally with it. A ring of nozzles is mounted within the chamber for spraying the string. Means supply pressurized chemical to the nozzles. Means suck excess chemical from the chamber for recovery.

424120

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