P-165 Cable Free Seismic Acquisition in the South of México

Summary In recent years there has been much discussion about the relative merits of cabled versus cable free seismic data acquisition systems on land. Most of these discussions have been focused on the weights of the systems, battery management and whether real-time quality control is necessary when using recording systems with large channel counts. This paper will provide a case history of a 3D survey acquired in a very difficult operational area in Southern México using a cable free system that provided retrieval of all the seismic data within 48 hours to ensure data quality

Directional interpolation of multicomponent data

A method for interpolation of multicomponent streamer data based on using the local directionality structure is presented. The derivative components are used to estimate a vector field that locally describes the direction with the least variability. Given this vector field, the interpolation can be phrased in terms of the solution of a partial differential equation that describes how energy is transported between regions of missing data. The approach can be efficiently implemented using readily available routines for computer graphics. The method is robust to noise in the measurements and particularly towards high levels of low-frequent noise that is present in the derivative components of the multicomponent streamer data