| 摘要 |
<p>The device for the decolmatation of the critical area of exploitation and injection wells comprises a generator of electromagnetic pulses of resonant frequency (10), which is equipped with a controller (not depicted), and a coaxial cable (8) which connects the generator (10) to a downhole instrument (4), in which at least two converters for converting electromagnetic energy into mechanical energy (1) are arranged, said converters operating at different frequencies. Furthermore, the converters for converting electromagnetic energy into mechanical energy (1) are arranged in the downhole instrument (4) in series in order of decreasing resonant frequency, and the dimensions of each of said converters are determined by the magnitude of the resonant frequency, each of which differs from the previous one by an integer of octaves. Furthermore, the cable (8) which connects the generator of electromagnetic pulses (10) to the downhole instrument (4) is coaxial with a wave impedance which is equal to the output impedance of the generator (10) and the input impedance of the downhole instrument (4).</p> |
