New Zealand Legislation: Regulations

10 Headers for digital seismic survey data

• Digital data collected from a seismic survey that is to be provided to the Secretary under regulation 44(3)(e) must be provided with the following information in the headers:

  • (a) the survey name:

  • (b) the line name:

  • (c) the date the data was acquired:

  • (d) the acquisition company (including the name of the vessel or crew) and the acquisition parameters of the survey:

  • (e) the processing information, including—

    • (i) the processing sequence; and

    • (ii) the time correction; and

    • (iii) the gain curve; and

    • (iv) the bandpass filter; and

    • (v) the polarity and phase:

  • (f) the projection, datum, spheroid, and co-ordinate units:

  • (g) the sample interval:

  • (h) the shot-to-trace relationship:

  • (i) the trace length:

  • (j) the trace header format:

  • (k) the trace header byte locations for line number, common depth point, and shot point numbers, and station locations:

  • (l) for three-dimensional surveys, the corner points.