US2010258299A1PendingUtilityA1

Well cleaning apparatus

32
Assignee: HATTEN PAULPriority: Apr 8, 2009Filed: Apr 8, 2010Published: Oct 14, 2010
Est. expiryApr 8, 2029(~2.7 yrs left)· nominal 20-yr term from priority
Inventors:Paul Hatten
B05B 13/0636B08B 9/0936B08B 9/00B08B 9/0813E03F 7/08B05B 3/063
32
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Claims

Abstract

Systems, apparatus and methods are described that can be used for cleaning wells using unfiltered fluids and fluids that contain solid matter. Spray nozzles cooperate with deflectors to direct and outflow of the apparatus to surfaces to be cleaned. The apparatus comprises a mixer having an inner chamber, an inlet and a plurality of outlets. Deflectors are attached to associated outlets. The inner chamber has an impact surface located opposite the inlet, the impact surface redirecting the flow of fluid proportionately to the outlets and minimizes eddies in the flow of fluid. The deflectors generate a force from the fluid flow that includes rotational and/or translational components sufficient to cause rotation about a first axis and/or translation along a second axis.

Claims

exact text as granted — not AI-modified
1 . An apparatus, comprising:
 a mixer having an inner chamber, an inlet and a plurality of outlets;   one or more deflectors, each deflector attached to an associated outlet, wherein   each deflector directs a fluid received from its associated outlet to a surface within a well and wherein   the mixer receives a pressurized, unfiltered flow of fluid at the inlet and splits the supply of fluid between the outlets.   
     
     
         2 . The apparatus of  claim 1 , wherein the inner chamber includes an impact surface located opposite the inlet, the impact surface redirecting the flow of fluid proportionately to the outlets. 
     
     
         3 . The apparatus of  claim 2 , wherein the impact surface is curved and has an apex opposite the inlet. 
     
     
         4 . The apparatus of  claim 3 , wherein the radius of curvature is selected to minimize eddies in the flow of fluid. 
     
     
         5 . The apparatus of  claim 3 , wherein the radius of curvature is selected to obtain uniformity of fluid pressure throughout the inner chamber. 
     
     
         6 . The apparatus of  claim 3 , wherein the radius of curvature is selected to obtain a desired distribution of fluid pressure throughout the inner chamber. 
     
     
         7 . The apparatus of  claim 6 , wherein the fluid includes solids. 
     
     
         8 . The apparatus of  claim 7 , wherein the solids comprise bio-solids. 
     
     
         9 . The apparatus of  claim 7 , wherein the desired distribution of fluid pressure is sufficient to dislodge solids accumulated solids in the inner chamber. 
     
     
         10 . The apparatus of  claim 1 , wherein the deflectors generate a force from the fluid flow. 
     
     
         11 . The apparatus of  claim 10 , wherein the force includes a rotational component sufficient to cause rotation of the apparatus. 
     
     
         12 . The apparatus of  claim 11 , wherein the magnitude of the force is controlled by an angle at which the deflector is attached to its associated outlet. 
     
     
         13 . The apparatus of  claim 11 , wherein the magnitude of the force is controlled to obtain a speed of rotation of the apparatus. 
     
     
         14 . The apparatus of  claim 11 , wherein the magnitude of the force is controlled using a spring. 
     
     
         15 . The apparatus of  claim 11 , wherein the magnitude of the force is controlled using aerodynamic members attached to one of the deflectors. 
     
     
         16 . The apparatus of  claim 11 , wherein the magnitude of the force is controlled using aerodynamic members attached to the mixer. 
     
     
         17 . The apparatus of  claim 11 , wherein the magnitude of the force is controlled using hydrodynamic members attached to one of the deflectors. 
     
     
         18 . The apparatus of  claim 11 , wherein the magnitude of the force is controlled using hydrodynamic members attached to one of the deflectors. 
     
     
         19 . The apparatus of  claim 10 , wherein the force includes a translational component sufficient to translate the apparatus in a direction generally perpendicular fluid exiting the outlets. 
     
     
         20 . The apparatus of  claim 19 , wherein the apparatus oscillates along the direction generally perpendicular fluid exiting the outlets.

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