Method of performing high resolution crossed-array seismic surveys

A method of performing a seismic survey, comprising the steps of:

• generating seismic signals at a plurality of source locations, said source locations substantially equally spaced along a plurality of source lines, said source lines being substantially parallel to each other and substantially equally spaced from each other;
• and
• detecting said seismic signals at a plurality of receiver locations, said receiver locations substantially equally spaced along a plurality of receiver lines, said receiver lines being substantially parallel to each other and substantially equally spaced from each other, said receiver lines intersecting said source lines,
• wherein the positions of said receiver locations within succeeding receiver lines of a series of said receiver lines in positional order are offset from said receiver locations within the preceding receiver lines by a fraction of said spacing between adjacent receiver locations within said receiver lines, where said fraction is of the form 1/k, where k is an integer.

A method of performing a seismic survey, comprising the steps of:

• generating seismic signals at a plurality of source locations, said source locations substantially equally spaced along a plurality of source lines, said source lines being substantially parallel to each other and substantially equally spaced from each other;
• and
• detecting said seismic signals at a plurality of receiver locations, said receiver locations substantially equally spaced along a plurality of receiver lines, said receiver lines being substantially parallel to each other and substantially equally spaced from each other, said receiver lines intersecting said source lines,
• wherein the positions of said source locations within succeeding source lines of a series of said source lines in positional order are offset from said source locations within the preceding source lines by a fraction of said spacing between adjacent source locations within said source lines, where said fraction is of the form 1/j, where j is an integer;
• and the positions of said receiver locations within succeeding receiver lines of a series of said receiver lines in positional order are offset from said receiver locations within the preceding receiver lines by a fraction of said spacing between adjacent receiver locations within said receiver lines, where said fraction is of the form 1/k, where k is an integer.

A method of performing a seismic survey, comprising the steps of:

• inducing seismic signals at a plurality of source locations, said source locations substantially equally spaced along a plurality of source lines, said source lines being substantially parallel to each other and substantially equally spaced from each other;
• and
• detecting said seismic signals at a plurality of receiver locations, said receiver locations substantially equally spaced along a plurality of receiver lines, said receiver lines being substantially parallel to each other and substantially equally spaced from each other, said receiver lines intersecting said source lines,
• wherein said spacing between said receiver lines is a factor times said spacing between said source locations along said source lines, where said factor is of the form (m+1/j), where m is an integer and j is an integer.

A method of performing a seismic survey, comprising the steps of:

• inducing seismic signals at a plurality of source locations, said source locations substantially equally spaced along a plurality of source lines, said source lines being substantially parallel to each other and substantially equally spaced from each other;
• and
• detecting said seismic signals at a plurality of receiver locations, said receiver locations substantially equally spaced along a plurality of receiver lines, said receiver lines being substantially parallel to each other and substantially equally spaced from each other, said receiver lines intersecting said source lines,
• wherein said spacing between said sources lines is a factor times said spacing between said receiver locations along said receiver lines, where said factor is of the form (n+1/k), where n is an integer and k is an integer.

A method of performing a seismic survey, comprising the steps of:

• inducing seismic signals at a plurality of source locations, said source locations substantially equally spaced along a plurality of source lines, said source lines being substantially parallel to each other and substantially equally spaced from each other;
• and
• detecting said seismic signals at a plurality of receiver locations, said receiver locations substantially equally spaced along a plurality of receiver lines, said receiver lines being substantially parallel to each other and substantially equally spaced from each other, said receiver lines intersecting said source lines,
• wherein said spacing between said receiver lines is a first factor times said spacing between said source locations along said source lines, where said first factor is of the form (m+1/j), where m is an integer and j is an integer,
• and said spacing between said sources lines is a second factor times said spacing between said receiver locations along said receiver lines, where said second factor is of the form (n+1/k), where n is an integer and k is an integer.