Seismic profiling system

Claim 1

A SEISMIC PROFILING METHOD WHICH COMPRISES ESTABLISHING A PLURALITY OF SEISMIC DETECTOR STATIONS IN A LINE ALONG THE EARTH''S SURFACE; LOCATING A FIRST GROUP OF SEISMIC IMPULSE POINTS IN A LINE EXTENDING IN THE SAME DIRECTION AS SAID LINE OF DETECTOR STATIONS, SAID FIRST GROUP OF IMPULSE POINTS BEING SPACED OVER A DISTANCE LESS THAN THE LENGTH OF SAID LINE OF DETECTOR STATIONS; SUCCESSIVELY INITIATING SEISMIC IMPULSES AT EACH OF SAID IMPULSE POINTS AND RECORDING ENERGY REFLECTED TO EACH OF SAID DETECTOR STATIONS; EXTENDING SAID LINE OF DETECTOR STATIONS BY TRANSFERRING STATIONS FROM ONE END OF SAID LINE TO THE OTHER, THE DISTANCE SAID LINE IS EXTENDED BEING EQUIVALENT TO THE LENGTH OF SAID GROUP OF IMPULSE POINTS; EXTENDING SAID LINE OF IMPULSE POINTS IN THE DIRECTION SAID LINE OF DETECTOR STATIONS WAS EXTENDED BY LOCATING A SECOND GROUP OF IMPULSE POINTS SIMILAR TO SAID FIRST GROUP BEYOND SAID FIRST GROUP; SUCCESSIVELY INITIATING SEISMIC IMPULSES AT EACH INPULSE POINT IN SAID SECOND GROUP AND RECORDING ENERGY REFLECTED TO EACH STATION IN SAID EXTENDED LINE OF DETECTOR STATIONS; AND THEREAFTER COMBINING RECORDED SIGNALS REFLECTED FROM COMMON DEPTH POINTS.