Wellpoint jetting head

Details Wellpoint jetting head Wellpoint jetting head

E - Fixed Constructions

21

B

255/11, 166/69

E21B 3/00 (2006.01) E21B 7/18 (2006.01) E21B 7/20 (2006.01) E21B 10/42 (2006.01) E21B 21/10 (2006.01) E21B 43/08 (2006.01)

Patent

CA 1040096

ABSTRACT OF THE DISCLOSURE A wellpoint jetting head having a plurality of spade-like teeth annularly positioned around the forward end of the head and projecting longitudinally therefrom for dislodging and chopping of the soil during hydrostatic jetting in combination with a tilting, side-to-side, rotational and/or up-and-down manipulation of the wellpoint. The teeth are beveled in a counterbalancing inward-outward staggered arrangement with the cutting surface formed by the teeth ends defining a cutting plane canted with respect to the longitudinal axis of the head. The teeth are circumferentially spaced providing lateral con- fronting side faces for dislodging soil particulate during use.

249793

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