A method and apparatus is disclosed for monitoring microseismic activity in a formation. In the arrangement, the separation reactor is to be connected in series with the load compensation apparatus and the load line is to be connected in parallel with the voltage stabilization apparatus. The two-stage bypass power amplifier is configured to operate efficiently at two different gain or output power levels and can be extended to operate efficiently at additional gain or output power levels. Then the spreader arms are radially outwardly extended to engage behind a protruding rim of the interface ring. These compounds are used in a catalytic composition implemented in an olefin oligomerization or polymerization method.