Patent ID: 7063144
Filing Date: 2006-06-20
Classification: E21B

Abstract:
1. A method for increasing the production capacity of wells that contain oil, gas and/or water by stimulating mass transference processes within said well, said method comprising: immersing an electro acoustic device in a well bore region of a well, said electro acoustic device comprising a sonotrode and an electro acoustic transducer, said sonotrode having a tubular geometric shape with an irradiation surface developed along an axis of said well, wherein dimensions of said tubular geometric shape are determined by operating conditions under resonance parameters of longitudinal and radial vibrations in a natural resonance frequency of said electro acoustic transducer; using said electro acoustic device to introduce mechanical vibrations in said well bore region along the axis of said well, producing shear vibrations in the well bore region due to displacement of phase of said mechanical vibrations, achieving alternately tension and pressure by superposition of longitudinal and shear waves; and providing a plurality of grooves in a generatrix of said sonotrode, wherein said grooves are placed parallel to a longitudinal axis of said sonotrode, and said grooves have a groove length that is a multiple of half the wavelength generated and a groove width in the range of approximately 0.3 to 1.5 times a diameter of said sonotrode.